IMPORTANT! BUMP TEST THE MONITOR BEFORE EACH DAY’S USE
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Prior to each day’s use, every gas detection monitor should be bump tested to confirm the response of
all sensors and activation of all alarms by exposing the monitor to a concentration of target gas that
exceeds the low alarm set point. A bump test is also recommended if the monitor has been subjected to
physical impact, liquid immersion, an Over Limit alarm event, or custody changes, or anytime the
monitor’s performance is in doubt.
To ensure greatest accuracy and safety, only bump test and calibrate in a fresh air environment.
The monitor should be calibrated every time it does not pass a bump test, but no less frequently than
every six months, depending on use and exposure to gas and contamination, and its operational mode.
• Calibration intervals and bump test procedures may vary due to national legislation.
• Honeywell recommends using calibration gas cylinders containing the gas that is appropriate to the
sensor you are using, and in the correct concentration.
1. Standard Contents ................................................................................................................................. 9
2. General Information ............................................................................................................................... 9
3. User Interface & Display Overview ...................................................................................................... 10
3.1. Out-Of-Box Experience (First Time Use Only) ............................................................................ 11
3.2. Status Indicator Icons .................................................................................................................. 12
4. BLE (Bluetooth Low Energy) Operation .............................................................................................. 13
4.1. BLE Icons .................................................................................................................................... 13
9.4. Time ............................................................................................................................................. 27
9.5. Date ............................................................................................................................................. 27
9.6. Units ............................................................................................................................................ 27
9.10.1. Force On or Off for Bump/Cal ............................................................................................... 28
9.10.1.1. Force Cal ................................................................................................................ 28
9.10.1.2. Force Bump ............................................................................................................ 29
9.11. Data Logging ............................................................................................................................... 29
9.12. BLE .............................................................................................................................................. 29
9.14. Zone ............................................................................................................................................ 29
This Manual must be carefully read by all individuals who have or will have the responsibility of using, maintaining,
or servicing this product. The product will perform as designed only if it is used, maintained, and serviced in
accordance with the manufacturer’s instructions. The user should understand how to set the correct parameters and
interpret the obtained results.
For safety reasons, this equipment must be operated and serviced by qualified personnel only. Read and
understand the user manual completely before operating or servicing.
AVERTISSEMENT
Pour des raisons de sécurité, cet équipment doit être utilisé, entretenu et réparé uniquement par un personnel
qualifié. Étudier le manuel d’instructions en entier avant d’utiliser, d’entretenir ou de réparer l’équipement.
Read Before Operating
This manual must be carefully read by all individuals who have or will have the responsibility of using, maintaining,
or servicing this product. The product will perform as designed only if it is used, maintained, and serviced in
accordance with the manufacturer’s instructions. The user should understand how to set the correct parameters and
interpret the obtained results.
CAUTION!
To reduce the risk of electric shock, turn the power off before opening this instrument or performing service. Never
operate the instrument when the instrument is open. Service this product only in an area known to be nonhazardous.
Proper Product Disposal At End Of Life
EU Directive 2012/19/EU: Waste Electrical and Electronic Equipment (WEEE)
This symbol indicates that the product must not be disposed of as general industrial or domestic
waste. This product should be disposed of through suitable WEEE disposal facilities. For more
information about disposal of this product, contact your local authority, distributor, or the
manufacturer.
This product is a gas detector, not a measurement device.
• Ensure that the sensor cap is free of dirt, debris, and is not obstructed.
• Clean the exterior with a soft, damp cloth.
• For optimal performance, periodically zero the sensor in a normal atmosphere (20.9% v/v O
hazardous gas.
• Portable safety gas detectors are life safety devices. Accuracy of ambient gas reading(s) is dependent upon
factors such as accuracy of the calibration gas standard used for calibration and frequency of calibration.
Honeywell Analytics recommends performing a calibration at least once every 180 days (6 months).
• Any rapid up-scaling reading followed by a declining or erratic reading may indicate a gas concentration
beyond the upper scale limit, which can be hazardous.
• Products may contain materials that are regulated for transportation under domestic and international
dangerous goods regulations.
• Return product in compliance with appropriate dangerous goods regulations. Contact freight carrier for further
instructions.
• Recycling: this instrument contains a lithium battery. Do not mix with the solid waste stream. Spent batteries
should be disposed of by a qualified recycler or hazardous materials handler.
Wireless Security Warning
Wireless data transmission can extend beyond your walls and can be received by anyone with a compatible
adapter. Without proper protection, data can be compromised. Use the security features of all wireless
equipment in your network.
• Bluetooth communication should always be set to OFF unless the functionality is required.
• If possible, pair devices ONLY when in a physically secure area.
This device complies with Part 15 of the FCC Rules / Industry Canada license-exempt RSS standard(s). Operation is
subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must
accept any interference received, including interference that may cause undesired operation.
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence.
L'exploitation est autorisée aux deux conditionssuivantes : (1) l'appareil ne doit pas produire de brouillage, et (2)
l'utilisateur del'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage estsusceptible d'en
compromettre le fonctionnement.
Changes or modifications not expressly approved by the party responsible for compliance could void the user's
authority to operate the equipment.
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of
the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum
(or lesser) gain approved for the transmitter by Industry Canada. To reduce potential radio interference to other users,
the antenna type and its gain should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more
than that necessary for successful communication.
Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peutfonctionner avec une antenne
d'un type et d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire
les risques de brouillage radioélectrique à l'intention des autres utilisateurs, il faut choisir le type d'antenne et son gain
de sorte que la puissance isotrope rayonnée équivalente (p.i.r.e.) ne dépasse pas l'intensité nécessaire à
l'établissement d'une communication satisfaisante.
Class I, Division 1, Groups A,B,C,D T4; Class I, Zone 0, AEx/Ex ia IIC T4 Ga
-40°C≤ Tamb ≤ 60°C
ATEX: Sira 18ATEX2243, 2460 IITamb -40°C to 60°C
IECEx: IECEx SIR 18.0058, Ex ia IIC T4 Ga / Ex ia I Ma Tamb = -40°C to +60°C
1G I M1 / Ex ia IIC T4 Ga / Ex ia I Ma
INSTRUCTIONS FOR SAFE USE
WARNING: Read and understand instruction manual before operation or servicing.
AVERTISSEMENT: Lisez et comprenez le manual d’instructions avant d’utiliser ou d'effectuer
l'entretien.
WARNING: Substitution of components may impact safety.
AVERTISSEMENT: La substitution de composants peut compromettre la sécurité.
WARNING: Lithium battery: Only use approved battery: 2/3AA 3.6V 1.65Ah Lithium battery (P/N: BWS-BAT01).
AVERTISSEMENT: Batterie Lithium: Utilisez uniquement des batteries approuvé: 2/3AA 3.6V
•Detector complete with specified sensor, stainless-steel alligator clip and concussion-proof
housing
• Test Cap with 1 ft of hose
• Quick Reference Guide
2.General Information
Honeywell BW Solo is easy to operate — even if you’re wearing gloves. Using this button or the
Honeywell SafetySuite Device Configurator software, you can easily configure set points, latching
alarms, and other parameters. You can also access measurements for short-term exposure limit
(STEL) and time-weighted average (TWA), and pair the wireless Honeywell BW Solo with our
mobile apps:
• With the Device Configurator app, you can set up the detector, choose alarm set points and
more — all from up to 6 meters away. Also use the app to see calibration readings, email
calibration certificates and upgrade firmware.
• With the Safety Communicator app, detector readings are sent instantly to Honeywell’s realtime monitoring software. Access it from any device with an internet connection, and get
remote visibility on worker safety and location.
You can also use the wireless Honeywell BW Solo to share gas data with the desktop software —
no dock required.
Key Features
• Simple one-button operation
• Easy sensor, filter, and battery replacement
• Compatible with IntelliDoX for centralized data with automated bump testing, calibration, and
• Option to activate IntelliFlash™ or non-compliance flash
• Ability to assign detectors to workers and locations
The first time the instrument is turned on, you are prompted to select a display language and to
enter time and date.
Note: Language selection during the first power-on is mandatory.
Note: If you do not press a button for 6 seconds during out-of-the-box power-on, the instrument
automatically turns off. Language selection during the first power-on is mandatory, although you
can skip the time and date. If a language was selected before this 6-second idle period, the
instrument shows the normal reading screen after the next start-up. If a language has not been
selected, then the next time the instrument is turned on, there is a prompt to select a language.
Press and hold the button for 3 seconds. When you power the unit on, it counts down, 3-2-1. LEDs
flash, the vibration alarm shakes, and the audible alarm sounds, and the Honeywell logo then
appears on the screen. After startup, the “Set language” screen is shown.
Step through the available languages by pressing the button. Once you see the language you want,
press and hold the button for 1 second.
Note: If you pass the language you want, press the button until your language is shown. Then
press and hold the button for 1 second.
Once you have set the language, wait 3 seconds, and the “Set time” screen is shown.
Press and hold the button for 1 second to set the time. Otherwise, press it once to change to “No.”
Then press the button for 1 second to advance to “Set date.” If you change your mind and want to
set the time, press the button once instead.
Set the hour (00 to 23) by pressing the button until you reach the correct hour. Once the hour is
selected, press and hold the button for 1 second.
When “Set minute” is shown, press the button repeatedly to reach the correct minute (00 through
59). Then press and hold the button for 1 second. The time is now set.
IMPORTANT!
If a major error that prevents the instrument from functioning is found during startup, an error
number is shown on the display. Shut off the instrument and restart it. If the error message is
shown again, shut off the instrument and contact Technical Services.
The battery icon is not shown on the display unless the remaining power is
seconds.
When less than 12 hours remains before a bump test should be performed,
use) to ensure proper sensor performance.
This icon is shown when there is less than 12 hours remaining before a
When a sensor fails, has been removed, or has expired, this icon is shown on
screens, you see the fault details.
The Peak Reading icon is displayed when a peak gas reading has been
detected in the past 24 hours. The icon is otherwise hidden.
3.2.Status Indicator Icons
On-screen icons are used to indicate battery, bump, calibration and sensor status, as well as peak
reading. The table below details how and when each icon is displayed. The triangular red LED
located to the right of the screen illuminates to accompany these (it is active when the noncompliance feature is on).
one day or less.
• When the battery’s remaining life falls below 24 hours, the battery icon is
shown and there is a flash and beep every 60 minutes.
• When the battery’s remaining life falls below 8 hours, the icon blinks on
and off every second, and there are two beeps and a flash every 30
this icon is shown and the buzzer sounds once every hour. When the user
has also set the non-compliance option for the bump test reminder, the
instrument beeps once every 10/30/60 seconds (the interval is set by the
user).
The icon blinks once per second if there is a failed or skipped bump test, and
the instrument beeps three times every 60 minutes.
A bump test is required (and indicated by this icon) if:
• The defined period between bump tests has been exceeded (bump test
overdue).
• The sensor has failed a previous bump test.
Failed bump test notification is shown on the screen if a bump test is failed. In
the information menu, it shows that the bump test must be performed “NOW.”
Note: the sensor should be challenged on a regular basis (before each day’s
calibration should be performed. The instrument beeps once every 60 minutes.
The icon blinks once per second if there is a failed or skipped calibration, and
the instrument beeps three times every hour if the non-compliance option is
on. When the user has also set the non-compliance option for the calibration
reminder, the instrument beeps once every 10/30/60 seconds (the interval is
set by the user).
Calibration is required (and indicated by this icon) if:
• The defined period between calibrations has been exceeded.
• The sensor has failed a previous calibration.
the display, and there are is one beep per second. Stepping through the status
BLE connected. The icon is shown when data is being transferred.
BLE is off.
BLE is on, but is not connected.
4.BLE (Bluetooth Low Energy) Operation
Honeywell BW Solo is designed to operate via BLE (Bluetooth Low Energy) to send data to a
smartphone running Safety Communicator. The data can then be sent to computers running
Honeywell real-time monitoring software.
Note: If BLE operation is desired, the wireless option must be specified at time of ordering.
You can download Safety Communicator from the Google Play and iTunes store for free on one of
the supported phone platforms. However, you need a Honeywell real-time monitoring software
license to transmit monitor alarm information from Honeywell Real-Time Monitoring software.
4.1.BLE Icons
An icon is shown on the Honeywell BW Solo’s screen to show the status of BLE (Bluetooth Low
Energy), including connectivity.
4.2.Non-Compliance Indicator LEDs
The non-compliance indicator LEDs flash in the following situations:
• Low battery
• Low, High, TWA, STEL, or Negative alarm
• Failed self-diagnostic test
• Failed bump test or calibration
• Overdue bump test or calibration
When a functional error occurs, the gas detector tries to recover from it. If an error persists, contact
Honeywell Analytics or your distributor for technical assistance.
Note: Bluetooth communication must be turned on in the Honeywell BW Solo instrument before
attempting to pair it with smartphones or other iOS or Android devices.
1. Open the Safety Communicator program.
2. The app opens and begins scanning for nearby Bluetooth instruments. As instruments are
found, they show up in the list. If the Honeywell BW Solo does not show up, click “Scan” so
that it searches for the instrument.
For further instructions, consult the Safety Communicator app. If you plan to use Honeywell realtime monitoring software, consult the relevant User Manual.
5.Battery
Always make sure the battery has enough power before using it. Only use this battery: 2/3AA 3.6V
1.65Ah Lithium battery (P/N: BWS-BAT01).
5.1.Battery Status
The battery icon is not shown on the display unless the remaining power is one day or less.
• When the battery’s remaining life falls below 24 hours, the battery icon is shown,
and there is a flash and beep every 60 minutes.
• When the battery’s remaining life falls below 8 hours, the icon blinks on and off every
second, and there are two beeps and a flash every 30 seconds.
Note: To preserve the life of the battery, deactivate the instrument when it is not in use.
5.2.Battery Replacement
WARNING
To reduce the risk of ignition of hazardous atmospheres, remove or replace the battery only in an
area known to be non-hazardous!
CAUTION!
•Replace the battery in a safe area, free of hazardous gas, immediately when the detector enters
low battery alarm.
• Only use this battery: 2/3AA 3.6V 1.65Ah Lithium battery (P/N: BWS-BAT-01).
• Wear an ESD wrist or heel strap when replacing the battery. Avoid touching electronic
components or shorting circuits on the printed circuit board.
1. Flip up the alligator clip.
2. Remove the Phillips screw and lock washer.
3. Use the alligator clip to lift off the battery door.
4. Turn over the battery door, remove the old battery, and then press the new battery into place.
Note the polarity (+/- orientation).
5. Turn over the battery door and align the battery over its compartment. Then press it into the
instrument. Insert the screw and lock washer.
6. Tighten the screw. Do not overtighten the screw.
7. Turn on the instrument to make sure the battery was properly installed.
After a battery is inserted, the screen shows a blinking battery icon. The battery is being
conditioned (depassivation), and it typically takes about 30 seconds. If more time is required,
the blinking battery icon continues to be shown. When depassivation is complete, there is no
battery icon on the screen. The instrument can now be turned on.
IMPORTANT!
Used batteries must not be disposed of as general industrial or domestic waste. They should be
With the instrument turned off, press and hold the button for 3 seconds. There is a 3-2-1
countdown, and then the audible alarm sounds and the display and LED alarm lights turn on and
off, plus the vibration alarm buzzes.
A Honeywell logo appears first, followed by a progress bar, and then the main reading display.
Note: The instrument checks for a critical low battery and will shut down if it is too low. It also
checks for forced bump or forced calibration if the function is enabled and if bump or calibration is
due.
6.2.Turning The Honeywell BW Solo Off
Note: You can only turn off the instrument from the main display screen.
Press and hold the button through the countdown. The unit will beep as the countdown progresses.
Then the message “Powering Down” is shown. Release the button. When the instrument is off, the
screen is dark.
6.3.Calibration Status
Note: When forced bump and calibration are enabled, the instrument will power down if it is not
bump tested or calibrated.
This icon is shown when less than 12 hours remains before a calibration should be
performed. The instrument beeps once every 10/30/60 seconds, as set by the user, when
the user has also set the non-compliance option for the calibration reminder.
The icon blinks twice per second if there is a failed or skipped calibration, and the instrument beeps
three times every 60 seconds.
A calibration is required (and indicated by this icon) if:
• The defined period between calibrations has been exceeded (calibration overdue).
• The sensor has failed a previous calibration.
Failed calibration notification is shown on the screen if a calibration is failed. In the information
menu, it shows that the calibration must be performed “NOW.”
Note: The sensor should be challenged on a regular basis (before each day’s use) to ensure
proper sensor performance.
Note: When forced bump and calibration are enabled, the instrument will power down if it is not
bump tested or calibrated.
This icon is shown when less than 12 hours remains before a bump test should be
performed. The instrument beeps once every 10/30/60 seconds, as set by the user, when
the user has also set the non-compliance option for the bump test reminder.
The icon blinks twice per second if there is a failed or skipped bump test, and the instrument beeps
three times every 60 seconds.
A bump test is required (and indicated by this icon) if:
• The defined period between bump tests has been exceeded (calibration overdue).
• The sensor has failed a previous bump test.
Failed bump test notification is shown on the screen if a bump test is failed. In the information
menu, it shows that the calibration must be performed “NOW.”
Note: the sensor should be challenged on a regular basis (before each day’s use) to ensure proper
sensor performance.
6.5.Sensor Fault Status
When a sensor has been removed or failed, this icon is shown on the display, and there is one
flash, one beep, and a vibration alert every second. Stepping through the status screens, you see
Note: The Event Log is not present in the Information navigation for BW Solo monitors sold in North
America.
The Event Log consists of a listing of events that have been captured.
To enter the Event Log from the Information menu, hold the button down for 1 second at the “>Event Log”
prompt. There are three screens for each event, shown automatically in sequence from the date of the
event to the start of the event to the conclusion of the event. It also shows the reading and the type of
alarm (Low, High, etc.).
When there are multiple events in the Event Log, the screens cycle through a single event until you press
the button. Each time you press the button, the next event is shown. When all events have been shown,
the “<Exit” prompt is shown. To exit, hold the button for 1 second, and when the “>Event Log” prompt is
shown, click the button once to exit to the next screen in the Information sequence, Serial Number.
Non-Compliance is a user-settable option that flashes the red Non-Compliance Indicator LEDs
around the perimeter when the instrument experiences the following.
• Gas Event
• Bump Due
• Calibration Due
Non-Compliance Indicator LEDs automatically come on, regardless of user configuration, for the
following.
• Sensor Error
• Battery Error
• Calibration Error
Non-Compliance Indicator LEDs are designed to alert other people around the user that their unit is
not in compliance. Users are also allowed to change the flash interval and initiate the audible
seconds (10, 30, or 60 seconds). You can turn this indicator on or off for gas events, bump due,
and calibration due. You can also turn “beep” on or off and set the interval (10, 30, or 60 seconds).
The default setting for the Non-Compliance feature is off. The default interval is 30 seconds.
1. The non-compliance setting is designed to alert the safety manager to acknowledge the gas
event and remind them to download the data to check what happened.
2. Non-compliance events consist of Low, High, TWA, STEL, Negative, and Over Range status.
3. Gas event of non-compliance can be turned on or off.
4. When a gas alarm is dismissed, non-compliance indication will continue to indicate a gas
event by non-compliance indication (flash or flash and chirp/10, 30 or 60 seconds).
5. When a gas alarm is dismissed, if latching alarm is turned on, the instrument will continue to
alert alarm behavior (audible, visible, and vibration, once per second). After the button is
pressed to acknowledge the latching alarm, if Gas Event in non-compliance settings is on,
the instrument will continue to indicate a gas event.
6. Inserting the instrument in an IntelliDoX will clear the non-compliance indication (for gas
event). Any time the instrument is inserted in an IntelliDoX, the event log should be recorded
in the IntelliDoX. A manual bump test should clear the non-compliance indication for both
gas event and bump test due. Also, a manual calibration should clear the NCI for both gas
event and calibration due.
9.17.Passcode
By default, no passcode is required for access to the instrument’s settings. However, a 4-digit
passcode can be set, which will prevent access to all settings. This can be set here or through
Honeywell SafetySuite software. If a passcode is ever lost and the instrument cannot be accessed,
contact Technical Support.
• Click once to advance the number (0, 1, 2, 3, etc.).
• Press and hold the button for 1 second to advance to the next digit.
• When the last digit is reached, press and hold the button for 1 second.
• Confirm by clicking the button once.
Important! If you forget your passcode, then contact Honeywell Technical Support.
IMPORTANT! BUMP TEST THE MONITOR BEFORE EACH DAY’S USE
10.Zeroing
Because usage environments vary, there are many factors that may affect the performance of the
gas detector, including temperature and humidity changes as well as dust. If the ambient air is not
clean, gas readings might be inaccurate. For optimal performance, zero the gas detector once
every 24 hours or after changing of environmental conditions.
1. From the main reading screen, click the button twice in rapid succession to enter the menus.
2. Click the button until you see Zero.
3. Press and hold the button down for [verify this time, it is more than 1 sec] second. The
instrument counts down and then performs a zero calibration.
4. A progress bar indicates that the instrument is being zeroed.
• If the instrument passes zeroing, the message “Passed” appears.
• If the instrument fails zeroing, the message “Failed” appears.
If the instrument passed the zero calibration, it automatically reverts to the main reading screen
after 10 seconds.
11.Bump Testing
Prior to each day’s use, every gas detection monitor should be bump tested to confirm the response of all
sensors and activation of all alarms by exposing the monitor to a concentration of target gas that exceeds
the low alarm set point. A bump test is also recommended if the monitor has been subjected to physical
impact, liquid immersion, an Over Limit alarm event, or custody changes, or anytime the monitor’s
performance is in doubt.
To ensure greatest accuracy and safety, only bump test and calibrate in a fresh air environment.
The monitor should be calibrated every time it does not pass a bump test, but no less frequently than
every six months, depending on use and exposure to gas and contamination, and its operational mode.
• Calibration intervals and bump test procedures may vary due to national legislation.
• Honeywell recommends using calibration gas cylinders containing the gas that is appropriate to the
sensor you are using, and in the correct concentration.
1. From the main reading screen, click the button twice in rapid succession to enter the menus.
2. Click the button until you see Bump.
3. Press and hold the button down for 3 seconds. The instrument counts down and then
performs an AVV (audible, visible, vibration alarm) test. You see “Passed” or “Failed” on the
display.
4. Press and hold the button to acknowledge the results. You should see “Apply Gas?”
6. Place the calibration cap over the Honeywell BW Solo, and hook the cap’s left clip to the
corresponding groove of the detector and press down on the tab to snap the right clip into
place.
7. If the hose is not connected to the calibration cap and the regulator on the calibration gas
cylinder, attach it now.
8. Open the cylinder valve by turning the pressure regulator knob counterclockwise.
9. Press and hold the button to initiate the bump test. A progress bar indicates that the bump
test is happening.
• If the instrument passes the bump test, the message “Passed” appears.
• If the instrument fails the bump test, the message “Failed” appears.
10. When “Turn Gas Off” appears, close the cylinder valve by turning the pressure regulator knob
clockwise.
11. Remove the calibration cap by pulling on the tab.
IMPORTANT!
If the sensor does not pass a bump test, repeat the bump test. If it fails repeated bump tests, perform a
full calibration. If it does not pass a full calibration, the sensor may need replacement. Do not use the
instrument until it passes a full calibration.
1. Enter Calibration mode. From the main reading screen, click the button twice in rapid
succession to enter the menus.
2. Click the button until you see Calibrate.
3. Place the calibration cap over the Honeywell BW Solo, and hook the cap’s left clip to the
corresponding groove of the detector and press down on the tab to snap the right clip into
place.
4. If the hose is not connected to the calibration cap and the regulator on the calibration gas
cylinder, attach it now.
5. Hold down the button, and release after it says, “Zeroing.” It performs a zero calibration.
6. When “Apply Gas” appears on the display, open the cylinder valve by turning the pressure
regulator knob counterclockwise.
7. Start the calibration by pressing and holding the button for 1 second. The calibration is
indicated by a progress bar, followed by “Passed” or “Failed.” You can abort the calibration by
clicking the button once.
IMPORTANT!
If it fails calibration, try calibrating again. If it cannot calibrate after repeated tries, the sensor
may need replacement or there may be a problem with the instrument. Do not use the
instrument until the issue is resolved.
8. When “Turn Gas Off” appears, close the cylinder valve by turning the pressure regulator knob
clockwise.
9. Remove the calibration cap by pulling on the tab.
If the sensor does not pass a full calibration, the sensor may need replacement. Do not use the
instrument until it passes a full calibration.
13.Replacing The Filter & Sensor
The sensor needs to be replaced when it is unable to be calibrated or behaves erratically. Also, the
filter should be inspected periodically, and it should be replaced if it shows signs of accumulated
dust, dirt, or debris.
13.1.Filter Color Reference
One of the holes in the sensor cover has a clear plastic window. While the other holes allow
ambient air (and dirt, debris, etc.) to reach the filter, the window keeps the part of the filter under it
clean. As a result, it is easy to visually confirm that the filter needs replacement by simply
comparing the clean spot with the other spots.
Window
Window
13.2.Removing The Cover
Remove the front cover by using the tab end of the calibration cap or a flat-blade screwdriver to pry
it upwards from the slot. This exposes the sensor with its filter attached.
If the filter appears dirty, replace it by peeling it off the sensor’s top surface. Peel a new sensor from
its protective paper and gently press it so it adheres evenly to the top perimeter of the sensor.
If the sensor does not need to be replaced, reinstall the cover.
Reinstall the front cover (see 13.5).
13.4.Replacing The Sensor
The sensor is held in place with a sensor frame and its four screws.
CAUTION!
1. Turn off the instrument before replacing the sensor.
2. Only change the sensor in a safe area, free of hazardous gas.
3. Wear an ESD wrist or heel strap when replacing the sensor. Avoid touching electronic
components on the detector printed circuit board or shorting circuits on the printed circuit
board.
4. Use only the sensor specifically designed for the Honeywell BW Solo. Otherwise, the detector
will not monitor the target gas.
5. Ensure that the sensor cover is properly aligned to ensure a proper environmental seal.
6. After replacing a sensor, allow the new sensor to stabilize the following amounts of time
before use:
30 minutes: CO, H
10 hours: CO-H, HCN
12 hours: O
Do not expose a sensor to vapors of organic solvents such as paint fumes or organic
solvents.
2
7. Always calibrate the instrument after changing the sensor.
1. Remove the four screws holding the sensor frame in place.
2. Lift off the sensor frame and (if present) the rubber spacer.
3. Pull the sensor straight out. Note the three sockets on the pcb for the sensor’s electrodes for
the 4-Series sensor type and the three contact points for the 1-Series sensor type.
Sensor
4. Remove the old sensor by pressing it out of the sensor frame.
5. Dispose of the old sensor properly.
Keep the O-ring (1-Series), or sealing ring (4-Series Series) for reuse it when installing the
replacement sensor.
13.4.1.4-Series Sensor Replacement
IMPORTANT!
Some 4-Series sensors are shipped with a jumper that connects two of the pins. This jumper
must be removed before installing the sensor. Turn the sensor upside-down, and slide the springtensioned jumper off of the sensor’s pins. Properly dispose of the jumper.
Sensor
1. If the sensor is a 4-Series type, align the electrodes with the sockets on the printed circuit
2. If not already done, place the metal insert inside the sealing ring, and then place that
combination over the sensor, followed by the sensor frame over the spacer. Align the frame
so that it fits properly around the audible alarm port. Tighten the screws to hold the frame in
place. Note: Do not overtighten.
Insert
Ring
Install a new filter over the sensor before replacing the cover.
Frame
13.4.2. 1-Series Sensor Replacement
IMPORTANT!
Some Series 1 sensors are shipped with a jumper that connects two of the pins. This jumper must
be removed before installing the sensor. Turn the sensor upside-down, and slide the jumper off of
the sensor’s pins. Properly dispose of the jumper.
Invert the sensor so the three contacts are showing. Press the round part of the sensor into the
sensor frame, aligning its notch with the matching part of the sensor frame’s back. Invert the sensor
and stretch the O-ring around the perimeter of the sensor.
View
Sensor
Invert the sensor, and press the sensor all the way until it is fully seated in the sensor frame.
partway
Frame
Insert the sensor assembly into the instrument.
Tighten the screws to secure the assembly in place. Do not overtighten the screws.
Install a new filter over the sensor before replacing the cover.
To reinstall the cover, align it over the compartment, press upper part into place first, and then
press the lower part until it clicks.
IMPORTANT!
Always calibrate the instrument after you replace the sensor. Failure to calibrate the instrument
can result in inaccurate readings. Some sensors require conditioning time before first use.
Occasional external cleaning of the instrument with a soft cloth is recommended. Do not use
detergents or chemicals. (You may use water or a water-based or non-alcoholic cleaner. Other
types of cleaners, solvents and lubricants can contaminate and cause permanent damage to the
sensor.) Do not submerge the instrument in liquid. It is a good idea to install the Calibration Adapter
before cleaning the housing, to keep dirt, dust, or moisture away from the sensor openings and to
keep the filter clean.
Note: If the Honeywell BW Solo is to be used with an IntelliDox, make sure the infrared (IR) sensor
on the rear of the instrument is clean to ensure best communication quality.
14.2.Replacing The Alligator Clip
If the alligator clip is damaged or loose, replace the combined alligator clip/battery door together.
14.3.Replacing/Servicing Other Parts
Many interior components, including the display, vibration alarm, and horn gasket, are replaceable,
but service should only be performed by qualified service personnel. Note: Attempting service may
void your warranty.
15. Firmware Update
Firmware can be updated using an IntelliDoX docking station with SafetySuite software. For more
information, refer to the IntelliDoX manual.
16.Year Of Manufacture
To identify the year and week of manufacture, refer to the four-digit marking adjacent to the serial
number on the instrument label. It follows this number format:
Honeywell Analytics warrants the product to be free from defects in material and workmanship
under normal use and service over the operational life of the device. This warranty extends only to
the sale of new and unused products to the original buyer. Honeywell Analytics’ warranty obligation
is limited, at Honeywell Analytics’ option, to refund of the purchase price, repair or replacement of a
defective product that is returned to a Honeywell Analytics authorized service center within the
warranty period. In no event shall Honeywell Analytics’ liability hereunder exceed the purchase
price actually paid by the buyer for the Product.
This warranty does not include:
• fuses, disposable batteries or the routine replacement of parts due to the normal wear and
tear of the product arising from use;
• any product which in Honeywell Analytics’ opinion, has been misused, altered, neglected or
damaged, by accident or abnormal conditions of operation, handling or use;
• any damage or defects attributable to repair of the product by any person other than an
authorized dealer, or the installation of unapproved parts on the product.
The obligations set forth in this warranty are conditional on:
•proper storage, installation, calibration, use, maintenance and compliance with the product
manual instructions and any other applicable recommendations of Honeywell Analytics;
•the buyer promptly notifying Honeywell Analytics of any defect and, if required, promptly
making the product available for correction. No goods shall be returned to Honeywell
Analytics until receipt by the buyer of shipping instructions from Honeywell Analytics;
•the right of Honeywell Analytics to require that the buyer provide proof of purchase such as
the original invoice, bill of sale or packing slip to establish that the product is within the
warranty period.
THE BUYER AGREES THAT THIS WARRANTY IS THE BUYER’ S SOLE AND EXCLUSIVE
REMEDY AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A
PARTICULAR PURPOSE. HONEYWELL ANALYTICS SHALL NOT BE LIABLE FOR ANY
SPECIAL, INDIRECT, INCIDENTAL, OR BASED ON CONTRACT, TORT OR RELIANCE OR ANY
OTHER THEORY.