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Fresenius Medical Care T688 Series, Руководство по обслуживанию

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Troubleshooting 

Fresenius Medical Care 

T688 Series   

5 

V1 Aug 2020 

 

 

In the event the chair fails to operate correctly, please take the following steps 

prior to contacting 

Fresenius Medical Care or its authorised agent. 

1. Check that the mains power outlet is active. 

2. Check that the power cord is not damaged or worn. Check that the chair is connected into the 

mains power outlet and switched on correctly, as indicated by the green indicator light on the 

nurse’s hand control. 

3. Ensure that the battery has been on charge for 24 hours minimum. This should occur at least 

every 5 days. 

4. Ensure there are no damage or cuts in the cables to the hand controls or actuators.  

5. Determine which functions are not operating as follows: 

Problem / Failure 

Action / Solution 

The leg rest motor (vertically mounted under the 

seat)  

Depress the hand control button for the leg rest 

and the leg rest should raise or lower.  

The backrest motor (mounted behind the 

backrest) 

Depress the hand control button for the backrest 

and the back should raise or lower. 

The lift column (mounted on top of the base)  

 

Depress the hand control button for the chair 

height control and the chair should raise or 

lower. 

 

Take note of the serial number of the chair. This information can be found on the Type Label  

(

Figure 1 or 2. Type Label 

– Serial number location section

) attached to the chair.  

If unsure about any aspect of the above steps, please contact Fresenius Medical Care Seating at the 

contact details provided at the end of this service manual (see 

Contact Information

 section). 

 

➢

 

Hand Control 

– Programming  

Note.This can only be done using the 

nurse’s hand control. A maximum of three positions may be 

programmed into the memory.  

1.  Position the chair to the desired position using the up & down arrows for the backrest, whole 

chair and leg rest.  

2.  When the chair is in the desired position, hold down the S (store) button for five seconds until 

the beep sounds.  

3.  Once the beep is sounding, select one of the numbers, 1, 2, or 3 and press it within two 

seconds to store the pre-programmed position. When completed the system will beep two 
times to confirm.  

 

 

 

Содержание T688 Series

Страница 1: ...T688 Series Service Manual Medical Treatment Chair ...

Страница 2: ... Cushion removal replacement 8 Seat Cushion removal replacement 9 All Over Leg Rest Cushion removal replacement 9 Electrical Parts Replacement 10 Control Box removal replacement 10 Lift Column removal replacement T688 12 Power Supply Cable removal replacement 13 Battery Backup removal replacement 14 MJB Junction Box removal replacement 15 Hand Control removal replacement 16 Backrest Actuator remov...

Страница 3: ...se of chair Note The date of manufacture is in the following format YYYY MM DD Note The 0 in the serial number is a zero Note The letters O and will not be used in the serial numbers Note The label identifying the serial number is located on the base of the chair see picture below Figure 1 Type Label Figure 2 Type Label Prior to June 2020 Date of Manufacture Serial number Model Number of the treat...

Страница 4: ...properly Check all plastic covers control box cover hand controls Check all visible electrical connections are tight Operational Inspection Check for recline lift and smooth leg rest operation weight loaded Drive all actuators to the limit to ensure all motors operate smoothly through cycle Tray arm operation and tray covers if fitted Check swivelling arms for free and easy movement if applicable ...

Страница 5: ...so that it is difficult to disconnect the chair from the mains power 2 Remove any temporary ties or packaging 3 Connect the power cord to an approved power supply for the relevant country as indicated by the label WARNING To avoid risk of an electric shock this chair must only be connected to supply mains with protective earth 4 Test the chair by taking it through its complete range of movements T...

Страница 6: ...press the hand control button for the backrest and the back should raise or lower The lift column mounted on top of the base Depress the hand control button for the chair height control and the chair should raise or lower Take note of the serial number of the chair This information can be found on the Type Label Figure 1 or 2 Type Label Serial number location section attached to the chair If unsur...

Страница 7: ...ep will be heard from the control box when any button is pressed Recalibrate T688 Series Chair using the nurse s hand control as follows Stage 1 Clear System Faults Press both of the Up and Down arrow buttons of the chair height function simultaneously If successful a constant beeping will be heard Hold until the beeping stops approximately five seconds Note Both buttons must be activated at exact...

Страница 8: ...he nurse s hand control as follows Stage 1 Clear System Faults Press both of the Up and Down arrow buttons of the chair height function simultaneously If successful a constant beeping will be heard Hold until the beeping stops approximately five seconds Note Both buttons must be activated at exactly the same time If beeping does not start repeat until successful Stage 2 Initialise the System Press...

Страница 9: ...e side of the chair at a right angle to the chair Unlocked Position 2 Slide the arm rest post into the holding bracket until the desired height is achieved 3 Relock the arm rest by pushing the black handle back to its original position Locked Position Backrest cushion removal replacement To remove the backrest 1 Apply the chair brakes 2 To avoid unnecessary bending press the memory button 3 on the...

Страница 10: ...me 2 Ensure the leg rest flap is attached to the round frame tube 3 Position the plastic clips located at the front of the seat onto the round frame tube 4 Ensure the frame and clips are properly aligned before applying a gentle downwards force All Over Leg Rest removal replacement To remove the All Over Leg Rest 1 Apply the chair brakes 2 To avoid unnecessary bending press the memory button 3 on ...

Страница 11: ...t the mains power supply cable from the wall outlet 4 Remove the seat cushion from the chair to access the top frame Refer to Seat Cushion removal replacement section on page 9 5 Undo the bolt A that holds the earth point cable Figure 3 6 Press in the red retainer clip to allow the power supply cable to be removed 7 Disconnect the two cables from the top of the control box Figure 3 power supply ca...

Страница 12: ...ut F located on the side of the bracket and slide control box as directed in Figure 5 To replace the Control Box 1 Reinstall the mounting bracket onto the new control box Note When reinstalling the mounting bracket do not overtighten the bolt and nut Tighten the bolt until it makes initial contact with the plastic housing of the control box 2 Reconnect all the cables and mount the control box back...

Страница 13: ...our mounting bolts G from the top of the column Figure 6 Undo the four bolts using a T40 torx driver 5 Lift the whole chair assembly off the column Two people required 6 Position the chair on its back see Figure 7 7 Remove the four mounting bolts H located at the bottom of the column Figure 7 To replace the lift column 1 Place the new column to the base and the four mounting bolts 2 Place the chai...

Страница 14: ...e from the wall outlet 4 Remove the seat cushion Refer to Seat Cushion removal replacement section on page 9 5 Undo the bolt J that holds the earth point wire in place Figure 8 6 Simultaneoulsly press in the red retainer clips on each side of the power cable I to enable the removal of the cable Figure 8 To replace the power supply cable 1 Connect the new power cable through the top frame onto the ...

Страница 15: ...Remove the seat cushion Refer to Backrest and Seat Cushion removal replacement section on page 8 9 5 Undo the four screws K located on the left side of the top frame to allow the removal of the battery Figure 9 6 Disconnect the battery cable from the control box Figure 4 E Page 10 To replace the Battery 1 Connect the cable of the new battery to the control box 2 Reposition the battery underneath t...

Страница 16: ...on page 9 5 Undo the retention clip N from the MJB junction box using a screwdriver located underneath the chair Figure 12 6 Disconnect all the cables ports L connected into the MJB junction box Figure 12 7 Undo the two bolts M located on the right side of the top frame to allow the removal of the MJB junction box Figure 11 To replace the MJB Junction Box 1 Reposition the new MJB junction box unde...

Страница 17: ...connect the mains power supply cable from the wall outlet 4 Undo the retention clip N from the MJB junction box using a screwdriver located underneath the chair Figure 12 page 15 5 Disconnect the cable of the Hand Control L from the MJB junction box Figure 12 page 15 To replace the Hand Control 1 Connect the new hand control to the MJB junction box 2 Place the retention clip back on the MJB juncti...

Страница 18: ...utlet 3 Disconnect the actuator cable O see Figure 14 and Actuator cable 4 Undo and remove the two bolts P and Q located at each end of the actuator 5 Remove the Backrest actuator To replace the Backrest Actuator 1 Insert the Backrest actuator 2 Replace the two bolts connecting the actuator to the frame 3 Connect the actuator cable Note Recalibration is required after replacing the Backrest actuat...

Страница 19: ...mains power supply cable from the wall outlet 4 Disconnect the actuator cable R Figure 15 5 Undo and remove the two bolts S and T located at each end of the actuator Figure 15 16 6 Remove the Leg Rest actuator To replace the Leg Rest actuator 1 Insert the Leg Rest actuator 2 Replace the two bolts connecting the actuator to the frame 3 Connect the actuator cable Note Recalibration is required after...

Страница 20: ...manufacturing date prior to August 2014 To remove the Central Locking Castor 1 Apply the chair brakes 2 Raise the chair on a block of approximately 15 cm height Note Locking the opposite individual castors will help in stabilizing the chair prior to tilting 3 Remove the screw and nut V attached to each blue braking pedal to remove the central locking bars Figure 17 4 Remove the black rubber plug a...

Страница 21: ...Reposition the metal plate and the nylon pedal stopper over the new castor Note Ensure the wholes on the metal plate are facing up Figure 18 and 19 2 Re assemble the castor to the bottom of the chair 3 Ensure the central locking bar is positioned between the vinyl stopper and the blue breaking pedal ...

Страница 22: ...ddress any technical inquiries regarding this change by sending an email to sales seatingau fmc asia com or contact FRESENIUS MEDICAL CARE SEATING AUSTRALIA PTY LTD 786 Stud Road Scoresby Victoria 3179 Australia SERVICE TEL 61 0 3 9780 9509 SALES TEL 61 0 3 9780 9500 FAX 61 0 3 9764 8800 ...

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