Troubleshooting
Symptom Possible cause Action
No motor sound or movement of piston rod
- The actuator is not connnected to
the control box
- Blown fuse in the control box
- Cable damaged
- Connect the actuator to the
control box
- Fuse must be changed
- Send actuator for repair
Excessive electricity consumption - Send actuator for repair
Motor runs but spindle does not move - Gear wheel or spindle damaged - Send actuator for repair
Actuator cannot lift full load
- Clutch is worn
- Motor is damaged
- Send actuator for repair
Motor sound but no movement of piston rod - Send actuator for repair
No signal from Reed or Hall switch - Send actuator for repair
Motor runs and quick release does not function or
is noisy
- Declutching arm turns less than
approx. 75 °C
- Adjust cable
Piston rod will only move inwards and not
outwards
- Safety nut has operated - Send actuator for repair
- Not connected to mains - Connect to mains
Power indicator does not light up
- The fuse has blown
- Replace fuse, if the system
is prepared for external fuse
replacement, or send the system
for repair
- Defective power cable
- On control boxes with
exchangeable power cable,
change the cable.
- On control boxes with fixed cable,
send it for repair
- Control box defective - Send control box for repair
- Actuator plug not pushed into
control box properly
- Push actuator plug properly into
control box
Power indicator lights up, but actuator does not
run
- Actuator defective
- Replace actuator
- Defective control box
- Replace the control box
Control box relays are clicking - Control box defective - Send control box for repair
Power indicator lights up, but actuator does not
run
- Hand control defective - Send hand control for repair
No relay noise is heard from control box
Not valid for CB20/CB6S OBF/CB16 OBF
- Battery completely flat - Charge battery
Control box completely dead on battery and no
relay clicking
- Battery defective - Replace battery
- Actuator plug not properly pushed
into control box
- Push actuator plug properly into
control box
Actuator does not run on battery, but relay clicking
can be heard
- Actuator defective
- Replace actuator
- Replace control box
- Control box defective
- Hand control defective
- Control box defective
- Send hand control for repair
- Send control box for repair
Control box okay apart from one direction on one
channel
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