Troubleshooting Actuators/Lifting Columns; Troubleshooting Electronics - Linak LA20 User Manual

Troubleshooting Actuators/Lifting columns

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
Motor runs too slowly or does not give
full force

Troubleshooting Electronics

Symptom
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
- Insufficient power supply
- Voltage drop in cable
Possible cause
- 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
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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
- Increase power supply
- Thicker cable necessary
Action
- 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