Stryker FL28EX Service manual

MAINTENANCE MANUAL

ELECTRIC MED/SURG BED

Model FL28EX

TECHNICAL ASSISTANCE AND PARTS

Canada: 1 888 233-6888 United States: 1 800 327 0770 Outside Canada and the United States: Contact your local representative

Manufactured by Stryker

72-0905E REV A MM FL28EX December 2005 F15-44-B Printed in Canada

TABLE OF CONTENTS

1. INTRODUC TION................................................................................................................... 5

1.1 Specifications .................................................................................................................5

1.2 Technical Support...........................................................................................................6

1.3 Warning, Caution, Note Definition................................................................................... 6

1.4 Static Discharge Precautions.......................................................................................... 6

1.5 Warranty......................................................................................................................... 7

Limited Warran ty.......................................................................................................... 7

To Obtain Service and/or Parts....................................................................................7

Return Authorization.....................................................................................................8

Damaged Merchandise................................................................................................8

1.6 Symbols..........................................................................................................................8

2. PREVENTATIVE MAINTENANCE........................................................................................9

2.1 Bed Cleaning and Mattress Care.................................................................................... 9

2.2 Lubrication Requirements............................................................................................. 10

Actuator Screw Lubrication......................................................................................... 10

2.3 Preventative Maintenance Program.............................................................................. 12

Annual Checklist.........................................................................................................12

Recommended Spare Parts ....................................................................................... 13

3. TROUBLESHOOTING........................................................................................................1 5

3.1 Troubleshooting Guide..................................................................................................15

4. MAINTENANCE PROCEDURES........................................................................................18

4.1 Siderail Maintenance Procedures.................................................................................18

Head Siderail Assembly Replacement........................................................................18

Head Rail Replacement.............................................................................................. 19

Head Siderail Mechanism Replacement..................................................................... 19

Foot Siderail Assembly Replacement......................................................................... 19

Foot Rail Replacement............................................................................................... 20

Foot Siderail Mechanism Replacement...................................................................... 20

Siderail Control Fascia Replacement..........................................................................21

Siderail Outer Control Board Replacement................................................................. 22

Siderail Inner Control Board Replacement.................................................................. 23

Speakerphone Replacement (Optional)...................................................................... 24

4.2 Foot Board Maintenance Procedures............................................................................25

Foot End Control Fascia Replacement....................................................................... 25

Weigh System LCD Display Replacement.................................................................. 25

Foot End Control Board Replacement........................................................................26

4.3 Mattress Support Maintenance Procedures.................................................................. 27

Foot Section Replacement......................................................................................... 27

Thigh Section Replacement........................................................................................28

Seat Section Replacement.........................................................................................28

Head Section Replacement........................................................................................ 29

Fowler Actuator Replacement....................................................................................30

Knee Gatch Actuator Replacement............................................................................ 32

Hi-Lo Actuator Replacement.......................................................................................33

Motor Control Board Replacement..............................................................................35

Nurse Call (Optional)/GEN lll Pendant Control (Optional) Control Board Replacement

...................................................................................................................................36

Power Connector Replacement..................................................................................37

Power Connector Fuse Replacement..........................................................................37

Scale Control Board/Bed Exit Buzzer (Optional) Replacement....................................38

Toroidal Transformer Replacement (100/200/220/240V International Series Beds -)..39

Load Cell Replacement...............................................................................................40

Scale Calibration.........................................................................................................41

Verifying the Scale Accuracy....................................................................................41

Scale Calibration ......................................................................................................42

Cardiac Chair and Auto Contour Micro Switch Replacement ......................................44

Cardiac Chair Micro Switch.......................................................................................44

Micro Switch Common to the Cardiac Chair and Auto Contour Mechanisms............45

Auto Contour Micro Switch .......................................................................................45

CPR Micro Switch Replacement.................................................................................46

Micro Switch Attached to the Head Section Lever....................................................46

Micro Switch Attached to the Frame.........................................................................47

CPR Activation Cable Replacement............................................................................47

CPR Pneumatic Cylinder ............................................................................................47

4.4 Base Maintenance Procedures......................................................................................49

Brake/Steer Pedal Replacement.................................................................................49

Steer Wheel Caster Replacement...............................................................................50

Steer Wheel Assembly Replacement..........................................................................50

Steer Wheel Swing Arm Assembly Replacement........................................................51

Bed Caster Replacement............................................................................................52

Brake Rod Replacement.............................................................................................53

Appendix A: Circuit Diagrams...................................................................................................54

Appendix B: Maintenance Menu: Signification of Error Codes and Digital Inputs......................59

Introduction Chapter 1

1. INTRODUCTION

This manual is designed to assist in the servicing of the Stryker's FL28EX Med/Surg Beds. Read it thoroughly before beginning any service on the bed. Qualified maintenance personnel should be able to refer to this manual at all time when servicing the bed.

This Maintenance Manual is an integral part of the bed and should be included if the bed is sold or transferred.

1.1 SPECIFICATIONS *

Safe Working Load** 500 lb (227 kg) Scale System

- Capacity

- Accuracy

- Operating Angular Range Overall Length/ Width

- Siderails Up

- Siderails Down Weight w/Boards 472 lb (214.1 kg) Patient Sleep Surface 35 x 80" (89 x 203 cm) adjustable to 82" (208 cm) a nd

Recommended Mattress Siz e Mattress Maximum Thickness

Min/Max Bed Height 14 1/2 to 29" (36.8 to 73.7 cm) Fowler Angle 0 to 61° Knee Gatch Angle

- with Auto Contour

- without Auto Contour Trendelenburg/Reverse Tr endelenburg +14 to -14° Environmental Conditions

- Transport and Storage

- Ambient Temperature

- Relative Humidity

- Atmospheric Pressure

- Operating ***

- Ambient Temperature

- Relative Humidity

- Atmospheric Pressure Electrical Requirements*** * - all electrical

requirements meet CSA C22.2 No. 601.1, UL 60601-1 and IEC 6060 1-1, 60601-2-38 specifications.

* Stryker pays special attention to product improvement and reserves the right to change specifications without notice.

** The Safe Working Load specified is the sum of the mattress and accessory weight (100 lb/45.4 kg) and the patient's weight.

*** Operating environment recommended to ensure the scale system precision. **** The device has a 10% duty cycle.

Patients weighing up to 500 lb (22 7 kg) ± 2 % for weight from 100 to 500 lb (45.3 to 227 kg) ± 2 lb for weight under 100 lb (45.3 kg)

-12° to +12°

94 5/8 x 40" (240.34 cm x 101.6 cm) 94 5/8 x 39" (240.34 cm x 99.06 cm)

84" (213 cm) 35 x 80" (89 x 203 cm); 35 x 82" (89 x 208 cm); 35 x

84" (89 x 213 cm) 6" (15.24 cm)

0 to 24° 0 to 32°

-40 to 70°C (-40 to 158°F) 10 to 100% 500 to 1060 hPa

18.3 to 26.7°C (65 to 80°F) 20 to 80% without condensation 700 to 1060 hPa

100V∼, 50-60Hz, 7.5A - Two 250V, 10A Fuses 120V∼, 50-60Hz, 4.0A (9.8A w/120V Optional Auxi li ary Outlet) - Two 250V, 10A Fuses 200V∼, 50-60Hz, 3.2A -Tw o 250V, 6.3A Fuses 220V∼, 50-60Hz, 2.9A -Tw o 250V, 6.3A Fuses 240V∼, 50-60Hz, 2.7A -Tw o 250V, 6.3A Fuses

Maintenance Manual

1.2 TECHNICAL SUPPORT

For questions regarding this product, contact the following Technical Service department or your local representative:

Stryker Canada Stryker Medical 1 888 233-6888 1 800 327-0770 45, Innovation Drive 3800, East Centre Avenue Hamilton, Ontario, L9H 7L8 Portage, MI 49002 Canada USA

1.3 WARNING, CAUTION, NOTE DEFINITION

The words WARNING, CAUTION and NOTE carry special meanings and should be carefully reviewed.

WWAARRNNIINNGG

The personal safety of the patient or user may be involved. Disregarding this information could result in injury to the patient or user.

UUTTIIOON

These instructions point out special procedures or precautions that must be followed to avoid damaging the equipment.

NNOOTTE

Notes provide special information to make maintenance easier or important instruction clearer.

1.4 STATIC DISCHARGE PRECAUTIONS

The electronic circuits of the bed are protected from static electricity damage only while the bed is assembled. It is extremely important that all service personnel always use adequate static protection when servicing the electronic components of the bed.

Static Protection Equipment

The necessary equipment for a proper static protection is:

• 1 static wrist strap

• 1 grounding plug

• 1 test lead with a banana plug on one end and an alligator clip on the other.

Static Protection Procedure

1. Unplug the bed power cord from the

BED

wall outlet.

2. Insert the grounding plug into a properly grounded hospital grade wall receptacle. Plug the banana plug of

GROUNDING DIAGRAM

the test lead into the receptacle on the grounding plug. Connect the

alligator clip on the other end of the test lead to a ground point on the bed.

3. Place the static control wrist strap on your wrist. Connect the clip at the other end of the wrist strap cord to a ground point on the bed.

Introduction Chapter 1

1.5 WARRANTY

LIMITED WA RRANTY

All Stryker products are guaranteed against material or manufacturing defects, improper operation of mechanisms, and premature wear of bed components under normal use conditions.

For questions regarding warranty, please contact the Technical Service department (see section

1.2) or your local representative.

TO OBTAIN SERVICE AND/OR PARTS

• To Require Service For an on-site diagnosis of a malfunction by one of our Field Service Representative, contact

the Technical Service department (see section 1.2) or your local representative.

• To Order Parts Contact the Technical Service department (see section 1.2) or your local representative and

provide the following information that can be found on the serial number plate and the manufacturer's nameplate affixed respectively to the right side of the frame at the foot end of the bed, and on the right side of the head end casing:

HEAD END

MANUFACTURER NAMEPLATE

SERIAL NUMBER PLATE

FOOT END

Figure 1.5

• From the serial plate, write down the serial number (A).

• From the manufacturer's nameplate, write down the bed model (B), the production number

(C), ex. FL28-XXXX, and the Customer's Guide number (D).

• Consult the parts lists and the drawings contained in the Customer Guide third section, “Parts Lists”, to identify the defective part. Write down the information.

• Write down a description of the problem encountered while using the equipment.

NNOOTTE

It is very important that you refer to the parts lists and drawings of the Parts Lists manual specific to the bed needing repair.

The Technical Service representative can help you identify the parts to be replaced. However, if an error occurs when ordering, the user remains responsible for the parts ordered. Stryker will take back wrong parts ordered but will not assume shipping charges, and restocking fees will be charged to the user unless a Field Service Representative has been requested for an on-site diagnosis of the malfunction.

Maintenance Manual

RETURN AUTHORIZA T ION

Merchandise cannot be returned without approval from the Technical Service department. An authorization number will be provided, which must be clearly printed on the returned merchandise. Stryker reserves the right to charge shipping and restocking fees on returned items.

DAMAGED ME R CHANDISE

Claims for damaged merchandise must be made with the carrier within fifteen (15) days of receipt of merchandise. DO NOT ACCEPT DAMAGED SHIPMENTS UNLESS SUCH DAMAGE IS NOTED ON THE DELIVERY RECEIPT AT THE TIME OF RECEIPT. Upon prompt notification, Stryker will file a freight claim with the appropriate carrier for damages incurred. Claims will be limited in amount to the actual replacement cost. In the event that this information is not received by Stryker within the fifteen (15) day period following the delivery of the merchandise, or the damage was not noted on the delivery notice at the time of receipt, the customer will be responsible for payment of the original invoice in full.

Claims for any short shipment must be made within five (5) days of invoice.

1.6 SYMBOLS

Warning, refer to accompanying documents

Fuse rating for 100V∼ and 120V∼ electric systems

10A 250V

Fuse rating for 200V∼, 220V∼ and 240V∼ electric

6.3A 250V

systems

Protective Earth (ground)

∼

lternating Current

Type B Equipment

IPX4 Protection from liquid splash

Preventative Maintenance Chapter 2

2. PREVENTATIVE MAINTENANCE

2.1 BED CLEANING AND MATTRESS CARE

WWAARRNNIINNGG

When large fluid spills occur in the area of the circuit boards, cables and motors, immediately unplug the bed power cord from the wall outlet, remove the patient from the bed and clean up the fluid. Have maintenance completely check the bed. Fluids can have an adverse effect on operational capabilities of any electrical product. DO NOT put the bed back into service until it is completely dried and has been thoroughly tested for safe operation. Ensure, among other things, that the plastic components being used as covers for the siderail mechanism arms and the foot end casing are removed and that the parts they cover are thoroughly dried.

UUTTIIOON

Do not use harsh cleaners, solvents or detergents. Equipment damage could occur. Do not steam clean, hose off or ultrasonically clean the bed. Do not immerse any part of the bed. The bed electrical parts may be damaged by exposure to water.

Germicidal disinfectant, used as directed, and/or Chlorine Bleach products are not considered mild detergents. These products are corrosive in nature and may cause damage to your bed if used improperly. If these types of products are used, ensure the beds are wiped with clean water and thoroughly dried following cleaning. Failure to properly rinse and dry the beds will leave a corrosive residue on the surface of the bed, possibly causing premature corrosion of critical components. Failure to follow the above directions when using these types of cleaners may void this product warranty.

CLEANING BEDS

Hand wash all surfaces of the bed with a soft cloth moistened with a solution of lukewarm water and a mild detergent.

Wipe the bed clean and dry thoroughly to avoid build up of cleaning solution.

MATTRESS CARE

WWAARRNNIINNGG

Inspect the mattress after each use. Discontinue use if any cracks or rips, which may allow fluid to enter the mattress, are found in the mattress cover. Failure to properly clean the mattress, or dispose of it if defective, may increase the risk of exposure to pathogenic substances and

bring about diseases to the

patient and user.

may

• Inspection

Implement local policies to address regular care, maintenance, and cleaning of mattresses and covers. The cover cleaning procedure can be found below and on the bed label.

Inspect the mattress cover inner and outer surfaces and the zip fasteners regularly for signs of damage. If the mattress cover is heavily stained or soiled, or is torn, remove the mattress from service.

• Cleaning

Stains: Wash with lukewarm water using a mild detergent. Rinse with water and let dry. For tough stains, use bleach diluted with ten parts of water.

Maintenance Manual

2.2 LUBRICATION REQUIREMENTS

The only components of the bed needing periodic verification and lubrication are the four actuator screws and the clevis pin holding the head actuator to the head section lever. They should be checked every year and lubricated every two years.

UUTTIIOON

The bed uses oil-impregnated shoulder spacers at hinge points. Do not lubricate these shoulder spacers. When shoulder spacers are found worn, replace them.

ACTUATOR SCREW LUBRICATION

Required Tools:

No. 2 Phillips Screwdriver 1/4" Ratchet (w/6" extension) and 5/16" socket OG2 Grease Brush Bungee Cord

Procedure:

Figure 2.2

Clevis Pin

1. Raise the bed fully up and apply the brakes.

2. Remove if applicable the head section plastic cover (optional).

3. Fully raise the head section.

4. Remove the head board.

5. Unplug the bed power cord from the wall outlet.

6. Apply grease all over the clevis pin.

Preventative Maintenance Chapter 2

7. Fully raise and lower the head section several times to spread the grease.

Head and Thigh Actuators

8. Raise the bed fully up and apply the brakes.

9. Remove if applicable the head and foot section plastic covers (optional).

10. Fully raise the head section and flatten the thigh section. Lower the four siderails.

11. Unplug the bed power cord from the wall outlet.

12. Lift and fold back the foot section toward the head end of the bed. Secure the foot section to the bed using a bungee cord.

13. Using a no. 2 Phillips screwdriver, remove the four screws (A) holding the cover plate to the frame and remove the plate. Remove the optional night light if present.

14. Using a 1/4" ratchet (w/6" extension) and a 5/16" socket, remove the two screws (B) holding the dust tube of each actuator. Push the tube back to uncover the screw threads.

15. Using a brush, apply grease on the screw threads. Make sure the grease reaches the bottom of the threads.

16. Replace the dust tubes.

17. Replace the cover plate.

18. Lower the foot section.

19. Plug in the bed power cord and, using the electric controls, raise and lower several times the Fowler and Knee Gatch to spread the grease evenly.

Hi-Lo Actuators

1. Lower the bed completely and apply the brakes. Flatten the mattress support.

2. Lower the four siderails.

3. Remove if applicable the head and foot section plastic covers (optional), to reach the Hi-Lo actuators. Otherwise, fully raise the head section, and lift and fold back the foot section toward the head end of the bed. Secure the foot section to the bed using a bungee cord.

4. Unplug the bed power cord from the wall outlet

5. Using a brush, apply grease on the threads through the dust tube side openings of both HiLo actuators. Make sure the grease reaches the bottom of the threads.

6. Lower the foot section.

7. Plug in the bed power cord and, using the electric controls, raise and lower the bed several times to spread the grease evenly.

Maintenance Manual

2.3 PREVENTATIVE MAINTENANCE PROGRAM

RRNNIINNG

When servicing use only identical replacement parts provided by Stryker.

ANNUAL CHECKLIST

⎯ All fasteners secure. ⎯ Inspect for excessive wear the oil-impregnated bronze shoulder spacers found at the bed

hinge points. Do not lubricate these spacers. Replace as needed.

⎯ Check the grease present on the components detailed in section 2.2, lubricate if needed

(see section 2.2). Lubricate them at least every two years.

⎯ On both sides of the bed, depress fully down the side of the pedal identified with a red

sticker and ensure that the brakes are applied and the bed is immobilized. Toggle the pedal to neutral and ensure the brakes are released.

⎯ On both sides of the bed, depress fully down the side of the pedal identified with a green

sticker and ensure that the steer wheel is engaged. Toggle the pedal to neutral and ensure that the steer wheel disengages.

⎯ Siderails move, latch and stow properly. ⎯ All controls of the foot end panel working properly, including LED's. ⎯ Calibrate the scale (see the scale calibration procedure on page 41). ⎯ All siderail controls working properly.

⎯ Ensure that the nurse call (optional) alarm sounds in the nurse station. ⎯ Ensure that the Communication Package (optional) controls operate properly.

⎯ Verify the CPR emergency release using both CPR release handles: raise the Fowler fully

up and, using the CPR handle, lower the Fowler gradually to flat position by pulling, holding and releasing the handle several times. Ensure the Knee Gatch (if raised) also starts flattening when the Fowler is completely down. Following the complete lowering of the Fowler, wait approximately 30 seconds - the time for the Fowler actuator to reset - and verify that the actuator has indeed reset itself by raising the Fowler fully up.

⎯ Verify the Fowler, Knee Gatch and Hi-lo movements to ensure that the motion interrupt

switch integrated to the four electric actuators is operating properly.

⎯ Auxiliary outlet (option available only with 120V beds) working properly. ⎯ Night light (optional) working properly. ⎯ No cracks in the boards, siderails, wheel covers, steer wheel hood (optional) and plastic

covers (optional) of the head and foot sections.

⎯ Head end bumpers tightly secured to frame and working properly. ⎯ No rips or cracks in mattress cover. Replace if so. ⎯ Power cord intact. ⎯ No cables pinched or worn. ⎯ All electrical connections tight. ⎯ All grounds secure to the frame. ⎯ All casters roll properly. Check caster for cuts, wear, etc.

⎯ Measure current leakage and grounding continuity of the bed and the auxiliary outlet

(optional). Check with our Technical Service (see section 1.2) for the acceptable values.

Preventative Maintenance Chapter 2

RECOMMENDED SPARE PARTS

The following is a list of recommended on hand spare parts for the FL28EX bed. Description Part Number Parts List

• Electric/Electronic Components Motor Control Board QDF25-0592 OL250001/010 Scale Control Board QDF25-0593 L28-008 S.A. Scale Display QDF25-0463 L28-008 Nurse Call (Optional)/ Gen lll Control Board (Option al) QDF21-1163 OL280002 Foot Board Control Board QDF21-1154 L28-014 Micro Switch 1325P003 L28-013 Push Button Micro Switch QDF9159 L28-013 Power Connector QDF2034 O L28001/010 Fuse - Fast Acting 10A, 250V for 10 0/ 120V Electric Systems QDF8078 OL280001/011 Fuse - Slow Blow 6.3A, 250V for 200/220/240V Electric Sy st ems QDF8068 OL280012/013

/014

Power Cord with Straight N A Molded Plug QDF8066 OL250053 Power Cord with 90° N A Molded P lug (Optional) QDF8066-90D OL250055 Foot Board/Control Board Cable QDF28-0258 OL28001/010 Speakerphone w/Connectors (Optional) QDF26-0111 OL280020 Night Light (Optional) QDF9539 OL250018 Load Cell w/Long Cab le QDF14-1367 L28-028 Load Cell w/Short Cab le QDF25-0218 L28-028 Auxiliary Power Outlet (Optional) QDF8024 OL250029 5A Circuit Breaker (for Optional Auxi li ary Power Outlet) QDF9025 OL250029 Hi-Lo Actuator 25-0567 OL280001/010 Head Section Actuat or 28-0403L OL280001/010 Thigh Section Actuator 28-0377 OL280001/010 Toroidal Transformer (Inter nat ional Series Bed) 14-1160 OL280001/010 Stand Off Pins: Motor Control Board

Stand Off Pins: Scale Control Board

QP23-0258 QDF8011

OL280001/010

L28-008 Strain Relief Bushing QDF9541 OL280001/010 Female Screw Lock QDF2047

• Foot Board Components Foot End Control Panel Self-Sticking Fascia w/Scale and Bed

QDF25-0461 OP250002

Exit 3 Zone (optional) Foot End Control Panel Self-Sticking Fascia w/Scale and Bed

QDF25-0528 OP250003

Exit 1 Zone (optional) Foot End Control Panel Self-Sticking Fascia w/Scale w/o Bed

QDF25-0529 OP250004

Exit (optional) Round Self-Sticking Scre w Cover QDF28-0334 L28-014 Head/Foot Board Leg Caps QPC21-3855 L28-011-014

• Siderail Components

Siderail Right Patient Ctrl Self-Sticking Fascia w/o Nurse Call

QDF28-0248 OL280019

nor Communications Pack age (O pt ional)

Maintenance Manual

Siderail Left Patient Ctrl Self-Sticking Fascia w/o Nurse Call no r

QDF28-0249 OL280019

Communications Package (Optiona l) Siderail Right Patient Ctrl Self-Sticking Fasci a w/Nurse Call, w/o

QDF28-0252 OL280020

Communications Package (Optiona l) Siderail Left Patient Ctrl Self-Sticking Fasc ia w/Nurse Call, w/o

QDF28-0253 OL280020

Communications Package (Optiona l) Siderail Right Patient Ctrl Self- St icking Fascia w/Nurse Call and

QDF28-0250 OL280021

Communications Package (Optiona l) Siderail Left Patient Ctrl Self-Sticking Fasc ia w/Nurse Call and

QDF28-0251 OL280021

Communications Package (Optiona l) Outer Right Ctrl Panel Self-Sticking Fascia QDF28-0139 L28-001 Outer Left Ctrl Panel Self-Sticking Fascia QDF28-0140 L28-001 Outer Ctrl Panel Control Board QDF21-1151 L28-001 Inner Ctrl Panel Control Board QDF21-1169 L28-001 "Lift To Release" Self-St icking Sticker QDF28-0146 L28-001 Oblong Self-Sticking Screw Cover QDF28-0145 L28-001

• Mattress Support Components Head Section Plastic Cover (optional) 28-0101 OL280032 Foot Section Plastic Cover (optional) 28-0103 OL280032 Steel Head Section (Opt ional) 28-0197L OL280007 Steel Foot Section (Optional) 28-0196L OL280007 Seat Section 28-0345L OL280032 Thigh section 28-0034L OL280032 CPR Mechanism Lon g Cable Q DF 19-0815 OL280034 CPR Mechanism Short Cable QDF19-0354 OL280034 CPR Mechanism Pn eumatic Cylinder QDF5090 OL280034 Foot End Mattress Retain er 17-0211L OL250022/023

• Hi-Lo Mechanism Components Right "Stub-Acme" Nut QP13-0677-05 OL280001/ 010 Nut Support QPA25-0380 OL280001/010

• Base Components Foot End Casing Plastic Cover QP28-0111 L28-005 Plastic Base Tube Cover QP25-0023 L28-020 6" Caster w/Locking Mechanis m R25-0388-13 OL280003 5th Steer Wheel RL5 L28-006 Right Wheel Cover QP28-0299-13 L28-020 Left Wheel Cover QP28-0300-13 L28-020 Brake/Steer Pedal QP28-0130 L28-006

• Miscellaneous OG2 Grease M0027 Touch-Up Paint - Opal PD018 Ty-rap QDF9518 Nylon Cable Dia. 3/4" QDF953 2 Coupling for Ty-rap QDF9533

Troubleshooting Chapter 3

3. TROUBLESHOOTING

Please consult the following troubleshooting guide before calling the Technical Service department (see section 1.2).

3.1 TROUBLE SHOOTING GUIDE

PROBLEM/FAILURE WHAT TO CHECK

No power to bed

• Is the power cord connected to the power connector and plugged into the wall outlet?

• Is the bed power switch at the head end of the bed turned on?

• Is the power cord severed? Replace if needed.

• Are the two fuses inside the power connector still operational (see page 37)?

• Verify power at wall outlet.

No bed up or down motion when:

• the siderail command is used

• the foot board command is used

No Fowler up or down motion when:

• the siderail command is used

• the foot board command is used

The Fowler does not fully raise

• Is the total lockout activated (LED (padlock) on)? If so, deactivate it.

• Is the cable of the siderail control panel properly connected to the bed receptacle under the mattress support?

• Check points of the “No power to bed” problem described above.

• Is the Fowler lockout activated (LED (padlock) on)? If so, deactivate it.

• Is the total lockout activated (LED (padlock) on)? If so, deactivate it.

• Is the cable of the siderail control panel properly connected to the bed connector under the mattress support?

• Check points of the “No power to bed” problem described above.

This situation happens when the CPR handle is used to partly lower the Fowler. The use of the CPR mechanism for this purpose creates a situation where the Fowler motor is out of sync with the actual position of the Fowler. To correct the situation:

• Completely lower the Fowler using the CPR handle or the Fowler down control to enable the Fowler motor to reset itself.

Refer to the "Emergency CPR Release" section of the Operations Manual for more information.

Maintenance Manual

No Knee Gatch up or down motion when:

• the siderail command is used

• the foot board command is used

No Auto Contour motion

Improper operation of the cardiac chair: Fowler and Knee Gatch raise but final step of the cardiac chair position not reached (reverse Trend).

Improper operation of the CPR positioning: Knee Gatch does not lower and/or the Fowler actuator does not reset.

The weight shown on the scale display is incorrect.

• Is the Knee Gatch lockout activated (LED (padlock) on)? If so, deactivate it.

• Is the total lockout activated (LED (padlock) on)? If so, deactivate it.

• Is the cable of the siderail control panel properly connected to the bed connector under the mattress support?

• Check points of the “No power to bed” problem described above.

• Is the Knee Gatch or total lockout activated (LED (padlock) on)? If so, deactivate it.

• Check and replace if needed the two Auto Contour limit switches (see page 45).

• Check and replace if needed (see pages 44 and 45) the two Cardiac Chair limit switches.

• Check and replace if needed (see pages 46 and 47) the two CPR limit switches.

• Zero the bed without the patient in it (see the "Scale System Usage" section in the Operations Manual).

• Calibrate the scale (see page 41).

Scale display reads OVERLOAD or shows incorrect weight.

Angle shown on the scale display is incorrect

• The weight present on the bed is superior to the scale capacity, which is 500 lb (227 kg). If the patient weight is superior to 500 lb (227 kg), do not use the scale. If not the case, zero the scale after having removed the patient from the bed. This situation often results from equipment added to the bed without using the add/remove equipment procedure (see the Operations Manual). The weight of this equipment is then added to the patient's weight.

• One or more load cell cable not properly connected or completely disconnected from the scale control board (see figure 4.3E, page 38 for the connecting positions of the load cell cable).

• Calibrate the scale (see page 41).

Troubleshooting Chapter 3

Scale display does not turn on when the scale is activated.

Scale displays "No scale found".

All lockout LEDs (padlock icons) flash or the word Error appears at the bottom of the LCD display.

• Press ENTER key twice.

• Turn the main power switch off and turn it

on.

• Lift the foot board and gently replace it into position taking care to completely push it down so that the connectors match correctly.

• Check points of the “No power to bed” problem described above.

• Scale user interface cable not properly connected or completely disconnected from the scale control board (J6 connector, see drawing L28-008 in the parts list manual).

• Press the ENTER key. If message persists, contact our Technical Service (see section 1.2). If message disappears, data displayed is correct and current procedure can be resumed.

• The scale is unable to measure the weight due to an electrical problem. Please contact our Technical Service (see section 1.2).

Bed Exit system (optional) does not operate properly.

Bed Exit system (optional) does not work at all or alarm goes off when Bed Exit is activated.

Nurse call (optional) or Bed Exit (optional) signal does not reach the nurse desk.

• Verify that the load cell cables are properly connected to the scale control board (see figure 4.3E, page 38 for the illustration of the load cell cable connecting positions).

• Check points of the “No power to bed” problem described above.

• One or more load cell cable are not properly connected or are completely disconnected from the scale control board (see figure 4.3E, page 38 for the load cell cable connecting positions).

• Check points of the “No power to bed” problem described above.

• Check the connecting cable.

• Check the wall outlet.

• Contact the Technical Service (see 1.2)

Maintenance Manual

4. MAINTENANCE PROCEDURES

WWAARRNNIINNGG

Only field technicians from Stryker or service personnel trained by Stryker should perform the procedures detailed in this maintenance manual, especially those related to the Scale (option) and Bed Exit (option) systems. Failure to observe this restriction can result in serious damage to material and/or severe injury to people.

To prevent injury when working under the bed with the bed in the high position, always place blocks under the mattress support frame and apply the brakes.

Always unplug the bed power cord from the wall outlet when servicing or cleaning the bed.

NOTE

Throughout this maintenance manual, the words “right” and “left” refer to the right and left sides of a patient lying face up on the bed.

4.1 SIDERAIL MAINTENANCE PROCEDURES

HEAD SIDERAIL ASSEMBLY REPLACEMENT

Required Tools:

1/2" Wrench 3/16" Allen Key Cutting Pliers

Procedure:

Figure 4.1

1. Run the bed fully up and apply the brakes.

2. Remove the head section plastic cover (optional). Fully raise the head section and raise the siderail needing repair.

3. Unplug the power cord from the wall receptacle.

4. Loosen the lock ring (A) and unplug the siderail cable.

5. Using cutting pliers, remove the Ty-raps holding the siderail cable to the frame.

6. Using a 3/16" Allen key and a 1/2" wrench, remove the four locknuts/bolts (B) holding the siderail assembly to the head section and remove the assembly. Support the assembly when removing the last bolts.

+ 42 hidden pages