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Troubleshooting

Chapter 3

3. TROUBLESHOOTING

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

3.1 TROUBLESHOOTING 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

•

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.

No Fowler up or down motion when:

•

the siderail command is used

•

the foot board command is used

•

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.

The Fowler does not

fully

raise

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.

Summary of Contents for FL25E

Page 1: ...88 233 6888 United States 1 800 327 0770 Outside Canada and the United States Contact your local representative Manufactured by Stryker 72 0715E REV A January 2006 F15 44 B Printed in Canada MAINTENANCE MANUAL ELECTRIC MED SURG BED Model FL25E ...

Page 2: ......

Page 3: ...edures 18 Head End Siderail Assembly Replacement 18 Foot End Siderail Assembly Replacement 19 Foot End Rail Replacement 20 Head End Rail Replacement 20 Siderail Mechanism Transfer Plate Replacement 21 Foot End Siderail Mechanism Replacement 21 Head End Siderail Mechanism Replacement 21 Siderail Control Membrane Replacement 22 Siderail Outer Panel Control Board Replacement 22 Siderail Inner Panel C...

Page 4: ... Cardiac Chair and Auto Contour Micro Switch Replacement 43 Cardiac Chair Micro Switch 43 Micro Switch Common to the Cardiac Chair and Auto Contour Mechanisms 44 Auto Contour Micro Switch 44 CPR Micro Switch Replacement 45 Micro Switch Attached to the Head Section Lever 45 Micro Switch Attached to the Frame 46 CPR Activation Cable Replacement 46 CPR Pneumatic Cylinder 46 4 4 Base Maintenance Proce...

Page 5: ...hickness 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 Min Max Bed Height 14 to 29 36 to 73 7 cm Fowler Angle 0 to 62 Knee Gatch Angle W Auto Contour W o Auto Contour 0 to 24 0 to 32 Trendelenburg Reverse Trendelenburg 14 to 14 Environmental Conditions Transport and Storage Ambient Temperature Relative Humidity Atmospheric Pressure Operating Ambient Temperature Relative Hu...

Page 6: ... 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 plu...

Page 7: ... plate write down the serial number A From the manufacturer s nameplate write down the bed model B the production number C ex FL25 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 equip...

Page 8: ...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 paym...

Page 9: ...ING 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 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 mat...

Page 10: ...nd Thigh Actuators 1 Raise the bed fully up and apply the brakes 2 Remove the plastic molded shells from the head and foot sections 3 Fully raise the head section and flatten the thigh section Lower the four siderails 4 Unplug the bed power cord from the wall outlet 5 Lift and fold back the foot section toward the head end of the bed 6 Using a Phillips screwdriver remove the four screws A holding ...

Page 11: ...ase evenly Hi Lo Actuators 1 Lower the bed completely and apply the brakes Flatten the mattress support 2 Lower the four siderails 3 Unplug the bed power cord from the wall outlet 4 Remove the plastic molded shells from the head and foot sections 5 Using a brush apply grease on the threads through the dust tube side openings of both Hi Lo actuators Make sure the grease reaches the bottom of the th...

Page 12: ... properly Verify the CPR emergency release optional 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 second...

Page 13: ... Load Cell w Short Cable Optional QDF25 0218 Ol250041 Auxiliary Power Outlet Optional QDF8024 OL250029 5A Circuit Breaker for Optional Auxiliary Power Outlet QDF9025 OL250029 Hi Lo Actuator 80 6000 OL250024 Head Section Actuator 80 6001 OL250024 Thigh Section Actuator 80 6002 OL250024 Toroidal Transformer International Series Bed 14 1160 OL250063 065 071 076 Stand Off Pins Motor Control Board Stan...

Page 14: ...on Stopper 20 0197 L25 014 Siderail Mechanism Spring QRE21 4384 L25 014 Mattress Support Components Head Section Plastic Molded Shell QP25 0054 L25 003 Foot Section Plastic Molded Shell QP25 0038 L25 003 Seat Section 23 0239P L25 003 Thigh Section 25 0163P L25 003 Adjustable Mattress Retainer 17 0211P OL250022 23 Crutch Tip QPCF1001 L25 008 CPR Pneumatic Cylinder QDF5090 L25 019 CPR Right Handle C...

Page 15: ...under the mattress support Check points of the No power to bed problem described above No Fowler up or down motion when the siderail command is used the foot board command is used 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 unde...

Page 16: ...ioning Knee Gatch does not lower and or the Fowler actuator does not reset Check and replace if needed see pages 45 and 46 the two CPR limit switches The weight shown on the scale display is incorrect Zero the bed without the patient in it see the Weigh System Usage section in the Operations Manual Calibrate the scale see page 42 Scale display reads OVERLOAD or shows incorrect weight The weight pr...

Page 17: ...resumed All lockout LEDs padlock icons flash or the word Error appears at the bottom of the LCD display 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 does not operate properly Verify that the load cell cables are properly connected to the scale control board see figure 4 3E page 38 for the illustration of...

Page 18: ...URES HEAD END SIDERAIL ASSEMBLY REPLACEMENT Required Tools 1 2 Socket Wrench w 6 Extension Torque Wrench Procedure 1 Run the bed fully up and apply the brakes 2 Unplug the power cord from the wall receptacle 3 Remove the molded shell of the head section and raise the siderail needing repair 4 Loosen the lock ring A and unplug the siderail control cable 5 Using a 1 2 socket wrench remove the four t...

Page 19: ...he head end of the bed 4 Using a 1 2 socket wrench remove the four thread rolling bolts A holding the siderail assembly to the support and remove the assembly Support the siderail assembly while removing the last bolts N NO OT TE E Once removed the thread rolling bolts must be first be screwed in manually before tightening them to a 130 lbf in 14 7 N m torque using a torque wrench 5 Reverse the ab...

Page 20: ...ive coating considerably looses its efficiency once they are removed We recommend that you have replacement stickers at hand see Recommended Spare Parts on page 13 4 Using a Phillips screwdriver remove the eight screws D holding the cover to the siderail and remove the cover 5 Remove the yellow locking lever E 6 Using a 3 16 Allen key remove the four Allen screws F holding each pommel to the sider...

Page 21: ...OT END SIDERAIL MECHANISM REPLACEMENT Required Tools Small Slotted Head Screwdriver Phillips Screwdriver 3 16 Allen Key Bungee Cord 1 2 Socket Wrench Torque Wrench Procedure 1 Follow steps 1 to 7 of the foot end rail replacement procedure on page 20 2 Using a 1 2 socket wrench remove the four thread rolling bolts K fig 4 1B page 19 holding the mechanism assembly to the support and remove the assem...

Page 22: ...trol panel for proper operation before returning the bed to service SIDERAIL OUTER PANEL CONTROL BOARD REPLACEMENT Required Tools Small Slotted Head Screwdriver Phillips Screwdriver Procedure N NO OT TE E Unless otherwise indicated refer to figure 4 1C above for the illustration of this procedure reference points 1 Run the bed fully up and apply the brakes Raise the siderail needing repair 2 Unplu...

Page 23: ...g the siderail and returning the bed to service SIDERAIL INNER PANEL CONTROL BOARD REPLACEMENT Required Tools Small Slotted Head Screwdriver Phillips Screwdriver Side Cutters Bungee Cord 3 16 Allen Key Medium Strength Thread Locker Procedure N NO OT TE E Unless otherwise indicated refer to figure 4 1C on page 22 for the illustration of this procedure reference points 1 Follow steps 1 to 6 of the s...

Page 24: ... SIDERAIL INNER PANEL SPEAKERPHONE REPLACEMENT Required Tools Small Slotted Head Screwdriver Phillips Screwdriver Side Cutters Bungee Cord 3 16 Allen Key Soldering Iron and Soft Welding Wire Procedure 1 Follow steps 1 to 8 of the siderail inner panel control board replacement procedure described above 2 Using a Phillips screwdriver remove the four screws K fig 4 1C page 22 holding the speakerphone...

Page 25: ...rd from the wall outlet 3 Using a small slotted head screwdriver lift and remove the self sticking membrane A Proceed gently when inserting the screwdriver under the membrane to avoid scratching the molded board 4 Install the new membrane Be sure to position the membrane properly over the board switches 5 Test all controls of the foot board control panel for proper operation before returning the b...

Page 26: ...ce plug from the control board 6 Using a small slotted head screwdriver push aside the clips D and remove the LCD display E after having disconnected its cable from the control board 7 Reverse the above steps to install the new LCD display 8 Test the LCD display for proper operation before returning the bed to service FOOT END CONTROL BOARD REPLACEMENT Required Tools Small Slotted Head Screwdriver...

Page 27: ...ove the foot section molded shell A 5 Lift and fold back the foot section toward the head end of the bed 6 Remove the mattress retainer B and install it on the new foot section Note its position before removing it Replace the foot section to horizontal position 7 Using a 1 2 wrench remove the two locknuts washers shoulder spacers bolts C linking the foot section to the thigh section and remove the...

Page 28: ...ng the micro switch activator to the thigh section Install the activator on the new thigh section 9 Reverse the above steps to install the new thigh section 10 Test the Knee Gatch as well as the Auto Contour and Cardiac Chair positioning before returning the bed to service SEAT SECTION REPLACEMENT Required Tools 1 2 Long Socket Wrench 1 2 Wrench Phillips Screwdriver Procedure N NO OT TE E Unless o...

Page 29: ...ved the thread rolling bolts must first be screwed in manually before tightening them to a 130 lbf in 14 7 N m torque using a torque wrench 6 Using side cutters remove the cable ties present on both sides of the head section structure 7 Using a 1 2 wrench remove the nuts shoulder spacers bolts J holding the head section to the stabilizer arms Lower the stabilizer arms 8 Plug in the bed and lower t...

Page 30: ...Long Nose Pliers Phillips Screwdriver Pliers Side Cutters Procedure 1 Raise the bed fully up and apply the brakes Raise the Knee Gatch fully up 2 Unplug the bed power cord from the wall outlet 3 Lower the siderails Figure 4 3B A B C D E F G H I J K J K M L M N N O O ...

Page 31: ... Reverse the above steps to install the new actuator Take note of the following caution before hooking up the actuator tube to the head section lever arms It is of utmost importance that the course of the new head actuator be adjusted before hooking up its tube to the head section lever arms An improper adjustment can damage the head section structure 17 To adjust the course of the replacement hea...

Page 32: ...ough the casing hole 13 Using a Phillips screwdriver remove the two screws H holding the retaining plate to the actuator support 14 Remove the two pivot pins I holding the actuator to the support To facilitate the removal of the pins insert a small slotted head screwdriver into the opening at the end of the actuator and push out the pins 15 Move the actuator toward the centre of the bed to remove ...

Page 33: ...nd fold back the foot section toward the head end of the bed Finally using an angle indicator raise the Fowler by approximately 30 At the head of the bed Remove the molded shell of the head section and fully raise the Fowler 2 Position the alignment jigs on the floor right under the Hi Lo levers and lower the bed until the levers come to rest on the jigs see opposite illustration Use a socket wren...

Page 34: ...e new actuator Take note of the following caution before hooking up the molded nut support to the Hi Lo lever arms The course of the new actuator must be adjusted prior to hooking it to the Hi Lo lever An improper adjustment can damage the Hi Lo mechanism 10 To adjust the new actuator proceed as follows A Once the new actuator cable connected plug the bed power cord and press the bed down control ...

Page 35: ...t 5 Properly ground yourself see section 1 4 6 Using side cutters clip the two cable ties B holding together the cables N NO OT TE E Carefully note the position and the gathering of the cables before clipping the cable ties 7 Remove all cables connected to the control board Note their location so they will be connected properly to the new board Refer to drawing OL250024 for the connecting position...

Page 36: ...turning the bed to service NURSE CALL COMMUNICATIONS PACKAGE CONTROL BOARD OPTIONAL REPLACEMENT Required tools Phillips Screwdriver Procedure 1 Raise the bed fully up and apply the brakes 2 Unplug the bed power cord from the wall outlet 3 Remove the power cord from the power connector and disengage it from the wire clip 4 Properly ground yourself see section 1 4 5 Using a Phillips screwdriver remo...

Page 37: ...osition and remove using a Phillips screwdriver the two screws C holding the power connector to the cover 4 Press the connector clips and remove it from its location 5 Reverse the above steps to install the new power connector 6 Test that the bed is powered before returning it to service POWER CONNECTOR FUSE REPLACEMENT Required Tools Small Slotted Head Screwdriver Procedure N NO OT TE E Unless ot...

Page 38: ... the above steps to install the new buzzer 9 Test the Bed exit system to make sure the buzzer operates properly 10 Remove all cables connected to the control board Note their location so they will be connected correctly to the new power connector Refer to OL250041 for the connecting position of the cables on the scale control board 11 Using a 3 8 socket wrench remove the ground nut B 12 Using long...

Page 39: ...1 4 6 Using a Phillips screwdriver remove the nut washer bolt A holding the transformer to the casing Disconnect the transformer cable and remove it N NO OT TE E Tighten the bolt lightly but enough 7 Reverse the above steps to install the new transformer 8 On a bed equipped with the optional Weigh system calibrate the scale see page 42 If only the optional Bed Exit system is present on the bed zer...

Page 40: ...hell of the head section Foot end of the bed Remove the foot board and the molded shell of the foot section 4 Using long nose pliers remove the two rue ring cotters washers clevis pins A holding the end of the defective load cell as well as the end of the one adjacent to it It is important that the end of both cells be freed and their cables loosen for the coming steps 5 Using side cutters clip th...

Page 41: ...ll 14 Proceed with the calibration of the scale before returning the bed to service Refer to the scale calibration procedure on page 42 SCALE OPTIONAL CALIBRATION Verifying the Scale Accuracy 1 Empty the bed from all unnecessary material accessories linen mattress etc and zero the scale by doing the following Press to activate the scale The screen will display WEIGHT ANGLE XXX X KG XX X Press and ...

Page 42: ... have exactly five seconds to reach the foot end of the bed and press the keys after having powered the bed The system will shut off after this delay simply repeat the process should it happen 3 Choose CALIB MENU using the Down key and press ENTER Display will then read PUT BED AT 0 PRESS ENTER 4 Put the angle meter on the seat section of the mattress support and position the bed to 0 Then press E...

Page 43: ...e message will reappear on the display until the bed is placed at the right angle that is the one requested on the display CARDIAC CHAIR AND AUTO CONTOUR MICRO SWITCH REPLACEMENT Required Tools Phillips Screwdriver 1 Phillips screwdriver Procedure 1 Raise the bed fully up and apply the brakes 2 Raise the thigh section and fold the foot section back toward the head end of the bed Cardiac Chair Micr...

Page 44: ...nly a light contact remains between the activator D attached to the knee section and the switch push button E The replacement procedure will start from this point see opposite illustration 11 Unplug the bed power cord from the wall outlet 12 Using a Phillips screwdriver remove the two screws F holding the support to the frame N NO OT TE E Mount the support at the same position than the one mention...

Page 45: ...the state of the Fowler actuator engaged or disengaged when the CPR emergency release is activated 5 Using a 1 Phillips screwdriver remove the two screws A holding the micro switch to the head section lever Keep the mounting plate B Remove the defective micro switch 6 Remove the cable wires from the micro switch Note the location of the wires so they will be connected correctly to the new micro sw...

Page 46: ...he defective cable jacket to the mobile lever Remove the cable from the lever and keep the spring F Try as much as possible not to move the other cable from its position 7 Unscrew completely the two lock nuts G holding the other end of the defective cable to the CPR handle Remove the cable Make sure there is no free play at the CPR handle once the new cable installed 8 Reverse the above steps to i...

Page 47: ...ling the steer wheel hood make sure the colors green and red of the stickers affixed on the hood and the brake steer pedal match 4 Position the brake steer pedal to neutral 5 Using a 1 2 socket wrench remove the two bolts A holding the steer wheel support on the side of the defective pedal and lay the support down Keep the molded spacer B 6 Using a soft hammer remove the pedal from the activation ...

Page 48: ...e reference points 1 Raise the bed fully up 2 Unplug the bed power cord from the wall outlet 3 Remove the optional steer wheel hood N NO OT TE E When reinstalling the steer wheel hood make sure the colors green and red of the stickers affixed on the hood and the brake steer pedal match 4 Position the brake steer pedal to neutral 5 Using a 1 2 socket wrench remove the two nuts shoulder spacers wash...

Page 49: ... optional four wheel brake system is present on the bed also remove the fasteners holding the other brake rod to the locking lever 6 Using a 1 2 socket wrench remove the two bolts A holding the right steer wheel support to the base Lay the support down and keep the molded spacer B 7 Using two 1 2 wrenches remove the nut shoulder spacers bolt D holding the right torsion lever E to the lower part of...

Page 50: ...he rue ring cotter washer locking axle A linking the caster shaft to the locking lever N NO OT TE E The shaft of a caster that is part of the braking mechanism must be properly oriented before mounting it to the base The opposite illustration shows the side of the shaft that should be facing the inside of the bed It is the side showing the largest hole below the cam in the neutral position 8 Using...

Page 51: ... up 2 Remove the steer wheel hood N NO OT TE E When reinstalling the steer wheel hood make sure the colors green and red of the stickers affixed on the hood and the brake steer pedal match 3 Using a 1 2 wrench remove the nut shoulder spacer washer bolt C1 C2 holding each end of the brake rod to the locking levers 4 Remove the defective rod 5 Reverse the above steps to install the new brake rod 6 T...

Page 52: ...Appendix A Circuit Diagrams 52 Appendix A Circuit Diagrams A Can Control Board Motor Control Page 1 of 2 ...

Page 53: ...CD_CTR1 LCD_CTR0 GND GND 5V 7 12 14 13 10 11 8 3 5 6 4 2 1 4 1 3 6 5 2 CAN_H_B CAN_L_B 12V GND SAFE B2 24V 4 1 2 3 5 6 24V SAFE A1 GND 12V CAN_L_A CAN_H_A 1 2 3 4 5 6 5 4 2 1 3 6 J2 1 4 6 5 3 2 CAN_H_B CAN_L_B 12V GND SAFE 24V 5 6 J2 J4 2 3 4 1 1 2 3 4 5 6 CAN_H_B CAN_L_B 12V GND SAFE 24V 1 4 6 5 3 2 J5 24V SAFE B1 GND 12V CAN_L_B CAN_H_B CAN_H_B CAN_L_B 12V GND SAFE B1 24V 1 3 2 J3 1 3 2 J3 outer...

Page 54: ...Appendix A Circuit Diagrams 54 B Power Supply ...

Page 55: ...Appendix A Circuit Diagrams 55 C Communication Interface Optional ...

Page 56: ...Appendix A Circuit Diagrams 56 D Scale Optional ...

Page 57: ...is a problem with the AC control board 13 12V is too low 12V for other modules May be caused by a module that draws too much current or by the AC control board see note 1 14 12 VK is too high 12V for relay There is a problem with the AC control board 15 12 VK is too low 12V for relay May be the jumper W1 is absent on AC control board verify if jumper W1 is present May also be caused by a module th...

Page 58: ... is with the scale board Replace scale board In both cases the bed has to be recalibrated Digital Inputs The second row numbers represent the state of the first row inputs 1 Active 0 Inactive Each letter of the first row is an input on the AC control board A Dip switch 1 on the AC control board reserved for future use B Dip switch 2 on the AC control board reserved for future use C Dip switch 3 on...

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Stryker FL25E, Maintenance Manual

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