Trouble-Shooting The Electrical System - Invacare Medley Ergo User Manual

7.1 Trouble-shooting the electrical system

Symptom
The motor is not running.
The relay in the control box makes a clicking noise.
Control box is in order except
one direction on one channel.
Motor is running, but the spindle does not move.
The motor cannot lift full load.
Motor noise, but no movement of piston rod.
Piston rod operate inwards and not outwards.
Possible cause
1) Motor plug not pushed fully into
the control box.
2) The motor is defective.
3) Motor cable is damaged.
4) Control box defective.
5) Hand control defective
1) Hand control defective.
2) Control box defective.
Motor damaged.
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Remedy
1) Push the motor plug right into
control unit.
2) Replace the motor.
3) Replace the cable.
4) Replace the control box.
5) Replace the hand control.
1) Replace the hand control.
2) Replace the control box.
Replace the motor.