Trouble-Shooting The Electrical System - Invacare Octave User Manual

8. Trouble-shooting the electrical system

Note! Make sure that the mains are connected.
Symptom
Mains indicator does not light up.
Mains indicator lights up, but the
motor is not running.
The relays in the control unit
makes a clicking noise.
Mains indicator lights up, but the
motor is not running.
No relay sound is heard from the
control unit.
Control unit is in order except
one direction on one channel.
Motor is running, but the piston
rod does not move.
The motor cannot lift full load.
Motor noise, but no movement of
piston rod.
Piston rod operates inwards but
not outwards.
Motor does not
run
Possible cause
1) Mains not connected.
2) Fuse in the control unit is blown.
3) Control unit defective.
1) Motor plug not pushed fully into the
control unit.
2) Motor is defective.
3) Motor cable is damaged.
4) Control unit defective.
1) Hand control defective.
2) Control unit defective.
1) Hand control defective.
2) Control unit defective.
Motor damaged.
No motor sound
Motor sound
20
Remedy
1) Connect mains.
2) Replace the control unit.
3) Replace the control unit.
1) Insert the motor plug
properly into the control
unit.
2) Replace the motor.
3) Replace the motor.
4) Replace the control unit.
1) Replace the hand control.
2) Replace the control unit.
1) Replace the hand control.
2) Replace the control unit.
Replace the motor.
Relay sound
No relay sound
Piston rod does
not move
Motor plug not
connected
Defective motor
Defective control
unit
Defective hand
control
Defective motor