12. Maintenance 15
Appendix A Fault Codes 16
Appendix B FLX200 Troubleshooting 17
Appendix C Single Phase Technical Data 18
Appendix D Three Phase Technical Data 19
Appendix E Circuit Diagrams 20-25
Appendix F Cabinet Dimensions 26
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FLX200 SERIES INDUSTRIAL BATTERY CHARGERS
1. IMPORTANT OPERATING AND SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS
a) Before using the battery charger, read all the instructions in addition to the
CAUTION, WARNING, and DANGER marking s on the charger, battery, and all
the associated equipment.
b) Do not touch un-insulated parts of the DC output connector or the battery
terminals, as there is a possibility of electric shock.
c) Connect or disconnect the battery plug only when the charger output is off.
ALWAYS press the PAUSE pushbutton before unplugging the battery to
prevent arcing or burning.
d) If the battery is unplugged during charging, the charger will indicate “F18”. To
restart the charger, plug in the next battery. Do not connect the next battery
before you see indication “- - - -” or “F18”.
e) Only qualified personnel should operate or service this equipment.
f) De-energize all AC and DC po wer connections before servicing this unit . If injury
does occur, apply the prescribed treatment for electrical shock and obtain
medical attention immediately.
g) The charger is NOT for outdoor use. Do not expose the charger to rain or snow.
h) This charger is factory set to charge lead-acid batteries only. Theoperating
environment should not contain any materials that may cause corrosion or
contamination that would degrade the performance of a charger.
i) Do not operate this unit if it has received a sharp blow, been dropped or
otherwise damaged. Take it to a qualified GNB Industrial Power service center.
j) Do not disassemble the charger. Have the charger examined by an GNB
Industrial Power service representative or local qualified service facility. Incorrect
re-assembly of the charger may result in an explosion, electric shock or fire.
k) The charger profile is set at the factory for a charger DC cable length of 9 ft and a
battery DC cable length of 25 in. If DC cable lengths are adjusted, please
contact your local GNB Industrial Power service representative.
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1. INTRODUCTION
The GNB® FLX200 battery chargers are fan cooled, solid state, microprocessor
controlled, SCR regulated chargers designed to make battery charging simple. They
are factory set to charge flooded lead-acid batteries, but an upgrade can be
purchased from a GNB Industrial Power service representative to enable the charger
™
to service ELEMENT
valve regulated lead-acid batteries. The charger has a
comprehensive self-checking diagnostic program to control all charger functions,
monitor the quality of charge and check its own safety conditions. Large easy to read
LEDs, two button keypad and LED display report on the charger and battery status.
2. RECEIVING CHARGER
Examine the charger thoroughly before using, to make sure that no parts have been
loosened or damaged during shipment. Check the contents of the package against
the delivery slip before disposing of the shipping package. If any shipping damage or
partial loss is found, file a claim with the carrier without delay and take any necessary
steps to protect your rights. Before installing, check that the charger nameplate data
corresponds to the packing slip and to the model specified on the original sales
order. The FLX200 chargers are delivered on skids for easy handling using a forklift
truck.
3. LOCATION AND INSTALLATION OF CHARGER
Proper installation is important in order to achieve good charger performance and
long trouble free operation and to prevent damage to the charger and batteries. The
charger should be located in a clean, cool, normal ambient room temperature
(between +32
o
F/0oC and 104oF/40oC), dry and well-ventilated area. In order to permit
free air flow for convection cooling allow four inches minimum between the charger
and any wall, six inches from other equipment, and never store anything beneath or
on top of the charger.
4. STACKING
The following recommendations should be taken into consideration when stacking
these units:
a) The base unit should be secured to the floor or a solid base using appropriate
bolts and with accordance to local building codes and regulations.
b) These units can be stacked to a maximum 3 high.
c) If a lifting sling is used, the sling should be placed under the unit where the base
plate is located to avoid damage to the units.
Lifting Sequence is as follows: a) Secure the base unit to the floor or solid base. T he bolts can be accessed and
secured from the underside of the unit at the front and rear or from inside the unit
where the large holes are located directly above mounting holes (see appendix G
for mounting hole locations). When accessing the mounting holes from the
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inside, it is recommended you use a long handle hexagon key or screwdriver with
the hexagon key inserted. This will allow you to go t hrough the base plate to the
bolts, which are located on the flange.
b) Remove the bolts from the top cover of the base unit, but do not discard these,
as they will be required to fix the two units together.
c) Use an appropriate lifting sling to lift the second unit on to the base unit, inch the
second unit over the base unit and align the holes before resting the second unit
on top.
d) Secure the two units together using the bolts removed from the top cover of the
base unit. Use the access between the two units or inside the second unit using
the tools as recommended above.
e) If stacking three high, use the above procedure for stacking the third unit.
WARNING: THESE PROCEDURES MUST BE FOLLOWED EXACTLY TO AVOID
INJURY OR RISK OF ELECTRIC SHOCK.
WARNING: TO REDUCE THE RISK OF FIRE, INST ALL BATTERY CHARGER ON A
FLOOR OF NON-COMBUSTIBLE MATERIAL SUCH AS STONE, BRICK,
CONCRETE OR METAL. IF THIS IS NOT AVAILABLE, A FLOOR
PLATE OF AT LEAST 1.43mm GALVANIZED OR 1.6mm UNCOATED
STEEL EXTENDED AT LEAST 150mm BEYOND THE EQUIPMENT ON
ALL SIDES MUST BE INSTALLED.
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5. AC ELECTRICAL SUPPLY
The charger must be connected to either a single phase or three phase, 60 Hertz
(± 2%) AC power source. Three phase chargers cannot be powered with a single
phase source.
*Only the AC input wire configuration for multi-input chargers can be changed
Follow Figure 1 (page 6) for single-phase input with 120/208/240 VAC transformers,
Figure 2 (page 7) for single-phase input with 208/240/480 transformers or Figure 3
(page 8) for three-phase input transformers.
Use the 208/240/480 diagram for the 240/480 transformers. The 208 tap will be
eliminated from the charger as a selection.
A qualified electrical contractor should perform this adjustment.
6.1 BRANCH CIRCUIT PROTECTION
The charger comes with an internal supplementary protective device rated to
accommodate the highest possible current and voltage for that model.
CAUTION: TO REDUCE THE RISK OF FIRE, USE ONLY ON CIRCUITS PROVI DED
WITH BRANCH CIRCUIT PROTECTION CONSISTENT WITH THE
CURRENT INDICATED ON THE FRONT PANEL-RATING LABEL AND
IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE,
ANSI/NFPA 70.
.
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L 0
N
L
0
L L N
FIGURE 1: 120/208/240 VAC, SINGLE-PHASE INPUT
WARNING: IM PROPER WIRE AND JUMPER CONNECTION MAY CAUSE SEVERE
DAMAGE TO THE CHARGER AND BATTERY
NOTE: Live connection ‘L’ Must be connected to the breaker. The mains input are the
only user configurable connections. The blue and brown PCB connections must
be altered from factory setting.
NOT
120 VAC 60Hz CONFIGURATION (120/208/240VAC INPUT)
120
208
120
120
208
208
Mains Input
(Black)
(Black)
Mains Input
(Black)
(Black)
N
L
208 VAC 60Hz CONFIGURATION (120/208/240VAC INPUT)
0
N
L
240VAC 60Hz CONFIGURATION (120/208/240VAC INPUT)
240
240
240
PCB
(Blue)
(Brown)
PCB
(Blue)
N
(Brown)
Mains Input
(Black)
(Black)
N
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PCB
(Blue)
(Brown)
6
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FIGURE 2: 208/240/480 VAC, SINGLE-PHASE INPUT
L 0
N
L L N
0
L L N
WARNING: IM PROPER WIRE AND JUMPER CONNECTION MAY CAUSE SEVERE
DAMAGE TO THE CHARGER AND BATTERY
NOTE: Live connection ‘L’ Must be connected to the breaker. The mains input are the
only user configurable connections. The blue and brown PCB connections must
be altered from factory setting.
NOT
208 VAC 60Hz CONFIGURATION (208/240/480V INPUT)
208
240
Mains Input
(Black)
(Black)
Mains Input
(Black)
(Black)
N
L
240 VAC 60Hz CONFIGURATION (208/240/480V INPUT)
208
0
N
480 VAC 60Hz CONFIGURATION (208/240/480V INPUT)
240
480
480
PCB
(Blue)
(Brown)
PCB
(Blue)
(Brown)
208
240
Mains Input
(Black)
(Black)
N
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480
PCB
(Blue)
(Brown)
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N
N
N
FIGURE 3: 208/240/480 VAC, THREE-PHASE INPUT
WARNING: IMPROPER WIRE AND JUMPER CONNECTION MAY CAUSE SEVERE
DAMAGE TO THE CHARGER AND BATTERY
NOTE: The blue and brown PCB connections must NOT
208VAC 60 Hz CONFIGURATION (208/240/480V INPUT)
be altered from factory setting.
Mains Input
(Black)
(Black)
(Black)
Mains Input
(Black)
(Black)
(Black)
L1
L2
L3
L1
L2
L3
N
N
208
240VAC 60 Hz CONFIGURATION (208/240/480V INPUT)
208
240
480VAC 60 Hz CONFIGURATION (208/240/480V INPUT)
480
240
480
208208
208208
480
480
240240
480
PCB
(Brown)
L
(Blue)
240240
480
PCB
(Brown)
L
(Blue)
208
480
240
208208
Mains Input
(Black)
(Black)
(Black)
L1
L2
L3
N
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480
240240
480
PCB
(Brown)
L
(Blue)
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6.2 AC VOLTAGE CONNECTIONS
To connect the input AC voltage, route the AC conduit through the knockout hole
provided. Continue the AC wiring to the breaker terminals L1 (N) and L2 (L) (single
phase input) or L1, L2, and L3 (three phase input). For proper connection, torque the
screws to approximately 25 inch-pounds.
6.3 GROUND CONNECTION
It is a requirement to ground the chassis while the charger is connected to AC power.
The charger comes with a threaded M6 hole, clearly marked on the chassis. To
ensure good continuity, keep the contact area clean.
WARNING: DO NOT OPERATE THE UNIT WITHOUT PROPER GROUNDING.
IMPROPER GROUNDING CAN RESULT IN THE RISK OF AN ELECTRIC
SHOCK.
CAUTION: USE MINIMUM 75°C WIRING FO R SUPPLY CONNECTIONS. GROUND
THE CHARGER PROPERLY USING THE THREADED M6 HOLE (G ND)
PROVIDED. USE COPPER-CLAD ALUMINUM, ALUMINUM OR
COPPER CONDUCTORS ONLY.
After electrical connection is completed, the charger is ready for operation.
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6. DC OUTPUT
The DC charging cable has a commonly used battery plug or receptacle. The polarity
of the charger plug must be the same as the battery connector. The BLACK DC
cable must be connected to the battery negative terminal (-) and the RED DC cable
must be connected to the battery positive terminal (+). The charger will not operate in
a reversed polarity condition. The DC output fuse is a "fast-acting" fuse used to
protect the power semiconductors of a charger.
NOTE: Use only identical replacement fuses available f rom your GNB Industrial Power
service representative. The DC fuse must be replaced with a fast acting f use
capable of protecting semiconductors. See Appendix C and D for correct fuse
sizes.
7. FAULT AND DISPLAY CODES
Refer to Appendix A and B (on pages 16 and 17) for a complete list of fault codes.
8. OPTIONS
9.1 JIC SWITCH ASSEMBLY
All FLX200 battery chargers can come with a f actory installed JIC switch assembly
option for extra operator protection. In the "OFF" position, the door can be opened
but only AC power at the input of the switch is present while everything downstream
is dead. In the "ON" position, AC power is supplied to the charger but the door
cannot be opened.
9.2 MOMENTARY REMOTE STOP OPERATION
The FLX200 charger has a complete remote control option, which can be factory
installed or field retrofitted. Contact your local GNB Industrial Power representative
for more details.
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10. FLX200 STANDARD CHARGER OPERATION
CHARGE CONDITION
I1 A A,V,Ah,t,PhY*
CONSTANT VOLTAGE A/ #StSt A,V,Ah,t,PhY
I2 A A,V,Ah,t,PhY
COOL DOWN PERIOD CooL / rt A,V,Ah ,t ,tr G*
TERMINATION rEdy A,V,Ah,t,trG
TERMINATION/ FAULT CODE rEdy / F A,V,Ah,T,trR*, G
REFRESH CHARGE A / rEFr A,V,Ah,t,tr G, Y
DISPLAY
DEFAULT
FUNCTION BUTTON DISPLAY SELECTION LED
SETTING EQUALISE EqAL for 5 seconds then default display
EQUALISE CHARGE A / EqAL A,V,Ah,t,trG*, Y
AUTO BALANCE StSt / A StSt / V A,V,Ah,t,tr G
Lobt CHARGE PERIOD Lobt / A A,V,Ah,tY*
Lobt OFF PERIOD Lobt / V A,V,Ah,t
CRITICAL FAULT CODE F
NONE CRITICAL FAULT CODE F Charge continues R*
DELAYED START OF CHARGE dELy / rt
Charge
stage
R
A = Output current
V = Volts per cell
Ah = Returned ampere hours
t = Time of recharge
F = Fault code, display will alternate with the two codes
Ph = Phase of charge i.e. 1, 2 and 3
StSt = Smart start
Cool = Cool down period
LoBt = low battery override
/ = Display will alternate with the two-displayed information
rt = Remaining time
tr = Termination method, tr1 = dv/dt, tr2 = I2 entered 3.5 hour timer operated
* = flashing LED.
NOTE: In LoBt, StSt, Equalise and Termination charge function display will only be displayed for 10 seconds, not
permanently.
# Display if due to smart start.
R: Red = Fault, flashing red is a none critical fault.
Y: Yellow = Current f l owing, flashing yellow when < 2.37VPC.
G: Green = charge complete.
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11. CHARGER FUNCTIONAL DESCRIPTION
11.1 LED Descriptions
LED Description
Yellow Flashing High Rate Current
Yellow Solid 80% Charged
Green Flashing Cool Down
Green Solid Charge Complete
Red Fault – See page 16 for codes
11.2 DISPLAY
The display by default shows the charging current during the charge cycle. The
display may be changed to show voltage, time or Amp-Hours by pressing the
FUNCTION button. The display may show additional messages as the charge cycle
progr esses or a fault occurs.
11.3 PAUSE PUSH BUTTON
This PAUSE push button will halt the charge cycle. The battery can then be safely
unplugged for up to 10 minutes. If the battery is still connected after this time, the
charger will continue with the present charge cycle.
11.4 SMART START STAGE
The charger begins the charge cycle at the high rate current and continues until the
gassing voltage is reached. If the time to reach the gassing voltage level is equal t o
or less than 2 minutes, then the charge cycle will be suspended and a battery
voltage test to determine if the battery was in a sulphated or heavily discharged
condition will be instigated.
During the suspension, the decay in battery voltage is monitored. At this time, the
display will show VPC only. If the battery voltage decays quickly the battery is
determined to be sulphated and the charger will continue to Stage 1 High Rate or I1
current level with a ‘sulphated battery’ fault set. If the battery voltage does not fall
quickly, the charger will terminate and Auto Balance stage will be entered.
If the time to reach the constant voltage level is greater then 2 minutes and less than
45 minutes, the gassing voltage is maintained until the current level is equal to the
Finish Rate or 32% of the maximum output current. Charge will then terminate and
Auto Balance stage will be entered.
When the constant voltage stage U1 is entered then the display shows ‘StSt’
alternating with current.
When the Auto Balance stage is entered, the green LED will be illuminated and the
display will show ‘StSt’. The FUNCTION button can select charge information.
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11.5 AUTO BALANCE
The charger maintains a current equal to 32% of the maximum output that is
activated by voltage, on at 2.15VPC and off at 2.35VPC with a time limit of 2 hour if
2.35VPC is not reached.
When current is flowing, amps will be displayed and the yellow LED will be
illuminated. When no current is flowing, the display will show ‘StSt’. The FUNCTION
button can select charge information. The green LED will remain illuminated.
11.6 EQUALIZE STAGE
Equalize charge consists of 3.5 hours at 32% of the maximum output current with a
voltage limit.
The following table summarizes the action taken when Equalize is set manually
during different charge modes…
Charge Mode Action
During recharge Equalize active after termination
After charge termination Equalize active immediately
Smart Start termination Equalize active after termination
11.7 EQUALIZE PUSHBUTTON
Equalize charge can be enabled/disabled, when the FUNCTION button is depressed
> 5 second at anytime whilst a battery is connected. Only one equalize charg e per
recharge cycle is permitted. The equalize charge can be set in the service mode to
be initiated at ‘x’ number of cycles. X = 0 to 255.
CAUTION: DO NOT EQUALIZE MORE OFTEN THAN REQUIRED BY THE
CONDITION OF THE BATTERY, AS SPECIFIED IN THE BATTERY
MAINTENANCE INSTRUCTIONS. EXCESSIVE EQUALIZING MAY
DAMAGE THE BATTERY.
11.8 LOW BATTERY OVERRIDE/RECOVORY
11.8.1 CONFIGURATION
There is the ability to manually override the lo w ‘Incorrect Bat tery’ threshold of
1.70 VPC, down to a minimum of 1.00 VPC - the level at which the charger will
recognize a battery connection. This is achieved by holding the FUNCTION
push button for 5 seconds when the incorrect battery fault has been detected.
11.8.2 OPERATION
If ‘Low Battery Override’ has been enabled and a battery (voltage > 1.00 VPC)
is connected to the charger, the charger will pass current at 75% of maximum
current output the charger rated output current level.
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If less than 3.0VPC, current will flow for 5 minutes and the charge will be
suspended for 5 minutes. The cycle is repeated until the battery voltage is
greater than 1.70 VPC at the end of the 5-minute rest period.
If the battery voltage is greater than 1.70 VPC at the end of the 5-minute rest
period, the battery recovery mode will cease and charge will start from stage 1
with smart start disabled.
If 3.0 VPC is reached within the 5 minutes of charge, the charge will be
suspended equal to the ‘on’ time, maximum of 5 minutes. During this period
the display will show ‘Lobt’. During the 5-minute off period the display will
show the battery volts per cell alternating with ‘Lobt’.
11.9 DELAYED START OF CHARGE
A charge delay can be set in the service mode. The time is 0 to 48 hours in 1-hour
steps; this is permanently set for every charge cycle.
The display will show ‘dELy’ and alternate with the time remaining before charge
starts.
11.10 BATTERY COOLDOWN OPERATION STAGE
The cool down period begins after charge termination and is equal to the time spent
on charge.
During the cool down period, the green LED will flash and the display will show
‘CooL’ alternating with the remaining cool down time. The FUNCTION button can
select charge information and display this momentarily.
Once the cool down period is complete, the charger will illuminate the green LED
and enter the refresh stage.
If the battery is disconnected before completion of the cool down period, the
countdown will cease and the display will show F19.
If equalize is activated during cool down, the cool down timer will be suspended until
Equalize is complete, whereupon the cool down timer countdown will resume.
11.11 REFRESH CHARGE STAGE
The Refresh Charge activates every 24 hours after the standard charge cycle, if the
battery remains connected to the charger. The Refresh Charge stage lasts for 10
minutes and consists of Finish Rate or 32% of the maximum output current.
The 24-hour refresh delay starts after termination of recharge or Equalize. During
the refresh off period the display will show ‘rEdy’. The green LED will remain
illuminated. The FUNCTION button can select charge information.
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During the 10-minute Refresh Charge per iod the display will toggle between ‘rEFr ’
and the output current. The yellow LED is illuminated and t he green LED will remain
illuminated and the FUNCTION button can select charge status.
The charger will remain in the Refresh Charge stage until the battery is
disconnected.
11.12 CHARGE TIME
The amount of time a battery charges will vary depending on the depth of discharge
(DOD). Once the battery has reached 80% charged, the cycle will be terminated after
3.5 hours or less if terminated by dV/dt. Normal charge cycles will average about 8
hours total.
11.13 INCORRECT BATTERY LIMITS
Incorrect battery detection limits will be < 1.70 VPC and > 2.25 VPC (off charge). If
the battery voltage comes within this window the charger will automatically
commence charging.
11.14 CHARGE CYCLE RESET
A charge cycle is reset when a battery is disconnected and a battery is reconnected.
11.15 AC POWER FAILURE
If the AC power fails during a charge cycle, the charger will resume t he cycle at the
point of termination as soon as AC power is restored.
12. MAINTENANCE
The charger requires minimum maintenance. ENSURE THE CHASSIS IS SECURELY
GROUNDED per the local/federal Electrical Code. Do not allow excessive dust to
accumulate on the components inside. Blow out with clean compressed air when
necessary. The chargers are designed with a breaker and fuse for t he AC input and DC
output respectively. Should this fuse fail or breaker trip, the cause must be determined
before they are corrected or replaced. Never replace the fuse or breaker with one of a
higher capacity than the one originally fitted.
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APPENDIX A – FAULT CODES
CODE STATUS DESCRIPTION
F01 N Over discharged battery (<1.90vpc after 30 seconds of charge)
F02 NDeep discharged battery (<1.90vpc after 30 seconds of charge > 1.90vpc)
F03 N Sulphated battery
F04 S Charger over heating
F05 S Mains failed during charge
F06 RNo output current
F07 CIncorrect battery < 1.70
F07 (+Y led on) CIncorrect battery > 2.25
F09 CBulk charge time-out
F10 CSecond stage time-out (Profile Dependant)
F11 C Incorrect Mains Frequency
F12 CControl hardware (MCU)
F13 S Thermistor fault
F16 SBattery overheating (if temp probe fitted)
F17 CAuto balance charge time-out
F18 CBattery disconnected without pausing charge
F19 CBattery disconnected in cool do wn peri od
Key: C = critical fault Ö charge stopped Ö fault code displayed permanently
S = suspend fault Ö charge suspended until criteria fulfilled Ö fault code displayed permanently
R = retry fault Ö charge retries after 20 s econds Ö fault code disp lay alternating with stan dard
display
N = non-critical fault Ö charge continues Ö fault code dis pl a y alterna tin g with sta ndar d dis p lay
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APPENDIX B – FLX200 TROUBLESHOOTING
SYMPTOM
No Display No AC Power Check Input Power. Check Breaker. Mains fuse on Control Board
POSSIBLE
CAUSE
EXPLANATION / ACTION
Deeply
F01
F02
F03 Sulphated Battery
F04
F05 Mains Failure Electrical Supply failure during charge. (Power Cut)
F06
F07
F09 Battery Failure
F10
Discharged
Battery
Over Discharged
Battery
Charger
Overheating
No Output
Current
Incorrect Battery Make sure the battery voltage matches the charger voltage.
Low Voltage
<1.70 vpc
High Voltage
>2.25 vpc
Second Stage
Time-Out
Battery Voltage less than 1.9 volts per cell initially but rose above this
level within the first minute. Check battery condition and Equalize.
Battery less than 1.9 volts per cell after the first minute of charge. Check
battery condition and Equalize
Make sure your battery gets a full charge every cycle. Check battery
condition and Equalize.
Check Fan for operation on initial power up. Ensure adequate
ventilation. Contact your local
Check DC Fuse, SCRs. Connection to Battery.
Check battery voltage with a voltage meter. Make sure battery voltage
matches charger. Battery may require servicing.
Check battery voltage with a voltage meter. Make sure battery voltage
matches charger.
Battery did not reach gassing volts within the time limit.
Check battery for low voltage. Confirm charger capacity is correctly
matched to battery. Check battery condition.
Contact your local
I2 limit not reached within time limit. Check battery condition.
Contact your local
GNB Industrial Power representative.
GNB Industrial Power representative.
GNB Industrial Power representative.
F11
F12
F13
F17
F16
F18
F19
Incorrect Mains
Frequency
Board
Failure
Temperature
Sensor Failure
Auto Balance
Stage Time Out
Battery
Overheating
Battery
Disconnection
Battery
Disconnection in
Cool Down
Check the mains supply.
Contact your local
Contact your local
Check battery condition.
Check battery for High Temperature. Allow battery to cool. Check battery
condition. Confirm charger capacity is correctly matched to battery
Press the PAUSE button before disconnecting the battery.
Allow the battery to cool before use.
GNB Industrial Power representative.
GNB Industrial Power representative.
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APPENDIX C – SINGLE PHASE TECHNICAL DATA
SINGLE PHASE MAXIMUM AC AMPS (RMS) SHIPPING DATA
FLX or SCR Amp DC DC 120 208 240 480 600 Cabinet WEIGHT
Model Numbers Hour Volts AmpsVAC VACVACVAC VACSize Lbs KG