Lifting Columns | 34 Troubleshooting Symptom No motor sound or movement of piston rod Excessive electricity consumption Motor runs but spindle does not move Actuator cannot lift full load Motor sound but no movement of piston rod No signal from Reed or Hall switch Motor runs and quick release does not function or is noisy Piston rod will only move inwards and not outwards Power indicator does not light up Power indicator lights up, but actuator does not run Control box relays are clicking Power indicator lights up, but actuator does not run No relay noise is heard from control box Not valid for CB20/CB6S OBF/CB16 OBF Control box completely dead on battery and no relay clicking Actuator does not run on battery, but relay clicking can be heard Control box okay apart from one direction on one channel Possible cause - The actuator is not connnected to the control box - Blown fuse in the control box - Cable damaged - Gear wheel or spindle damaged - Clutch is worn - Motor is damaged - Declutching arm turns less than approx. 75 °C - Safety nut has operated - Not connected to mains - The fuse has blown - Defective power cable - Control box defective - Actuator plug not pushed into control box properly - Actuator defective - Control box defective - Hand control defective - Battery completely flat - Battery defective - Actuator plug not properly pushed into control box - Actuator defective - Control box defective - Hand control defective - Control box defective Action - Connect the actuator to the control box - Fuse must be changed - Send actuator for repair - Send actuator for repair - Send actuator for repair - Send actuator for repair - Send actuator for repair - Send actuator for repair - Adjust cable - Send actuator for repair - Connect to mains - Replace fuse, if the system is prepared for external fuse replacement, or send the system for repair - On control boxes with exchangeable power cable, change the cable. - On control boxes with fixed cable, send it for repair - Send control box for repair - Push actuator plug properly into control box - Replace actuator - Defective control box - Replace the control box - Send control box for repair - Send hand control for repair - Charge battery - Replace battery - Push actuator plug properly into control box - Replace actuator - Replace control box - Send hand control for repair - Send control box for repair
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