Etude Plus
8 Troubleshooting
8.1 Troubleshooting electrical system
Symptom
Possible cause
Remedy
Mains is not connected
Connect mains
Fuse in the control unit is blown
Replace the control unit
Mains indicator does not light up
Control unit is defective
Replace the control unit
Motor plug is not fully inserted into the
control unit.
Insert the motor plug properly into the
control unit
The motor is defective.
Replace the motor
Motor cable is damaged.
Replace the cable
Mains indicator lights up, but the motor is not
running. The relay in the control unit makes a
clicking noise.
Control unit is defective
Replace the control unit
Control unit is defective
Replace the control unit
Mains indicator lights up, but the motor is not
running. No relay sound is heard from the
control unit.
Hand control is defective
Replace the hand control
Control unit is defective
Replace the control unit
Control unit is in order except for one
direction on one channel.
Hand control is defective
Replace the hand control
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.
Motor is damaged
Replace the motor
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Summary of Contents for Etude Plus
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