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Troubleshooting – Activeforever OptiFlex 3 Knee CPM (OptiFlex3 Knee CPM) User Manual

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OptiFlex® 3 Continuous Passive Motion (CPM) Therapy Unit

17

TROUBLESHOOTING

ERROR

ERROR DEFINITION

PROBABLE CAUSE

POSSIBLE REMEDY

1 & 2

Pendant isn't communicating correctly with unit.

Defective Cable, Pendant or Main
Board.

• Replace the Cable, Pendant or Main Board.
• Return to Chattanooga Group for service.

3

Error reading the EEPROM on the motor pcb.

Defective Cable, Pendant or Main
Board.

• Replace the Cable, Pendant or Main Board.
• Return to Chattanooga Group for service.

5

RTC battery voltage is too low indicating bad
battery.

Pendant Battery Voltage is low.

• Replace the Pendant Battery.
• Return to Chattanooga Group for service.

6

A general error on the motor pcb has occurred.

Main Board Failure.

• Replace the Main Board.
• Return to Chattanooga Group for service.

7

The angle pot sensor is out of range.

Carriage angle below -10° limit.

• Loosen the Femur Adjustment Knobs. Raise the
carriage to above zero and tighten the Femur
Adjustment Knobs. Turn the unit off and Back on
with the power switch.

8

The angle pot is not changing when the carriage is
supposed to be moving.

Carriage obstruction or the Angle Pot
Screw is loose.

• Remove the obstruction.
• Tighten the Angle Pot Screw.
• Return to Chattanooga Group for service.

9

The motor tachometer does not match expected
value.

Main Board Failure.

• Replace the Main Board.
• Return to Chattanooga Group for service.

10

The motor pcb has not communicated with the
pendant in a reasonable amount of time.

Main Board Failure.

• Replace the Main Board.
• Return to Chattanooga Group for service.

11

The motor pcb was reset via the watchdog.

Main Board Failure.

• Replace the main board.
• Return to Chattanooga Group for service.

The OptiFlex 3 CPM Therapy Unit is designed with patient safety in mind. An error can be caused by both external and internal disturbances.

Before calling for service, carefully review this operator’s guide. In the event you are still unable to correct the problem, contact your Chattanooga
Group dealer for all repair service. Be certain to specify your serial number and a detailed description of the issue you encountered.