Troubleshooting; Troubleshooting Electrical System - Invacare Etude Plus HC User Manual

8 Troubleshooting

8.1 Troubleshooting electrical system

Symptom
Mains indicator does not light up
Mains indicator lights up, but the motor is not
running. The relay 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 for 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 and not
outwards.
* Service and maintenance of the bed must only be performed by personnel who have received the necessary instruction or training.
Risk of personal injury and damage to the product.
– The bed must be unplugged from the main power source before opening or repairing electrical parts.
WARNING!
Risk of personal injury and damage to the product.
– The bed must be unplugged from the main power source before opening or repairing electrical parts.
1579562-A
Possible cause
Mains are not connected
Fuse in the control unit is blown
Control unit is defective
Motor plug is not fully inserted into the
control unit.
The motor is defective.
Motor cable is damaged.
Control unit is defective
Control unit is defective
Hand control is defective
Control unit is defective
Hand control is defective
Motor is damaged
Remedy
Connect mains
* Replace the control unit
* Replace the control unit
Insert the motor plug properly into the
control unit
* Replace the motor
* Replace the cable
* Replace the control unit
* Replace the control unit
* Replace the hand control
* Replace the control unit
* Replace the hand control
* Replace the motor
Troubleshooting
19