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STT-869 actuator alarm
Error #1 - Calibration error 1 –
Moving the screw to the
mounting position took too much
time
- The limit switch sensor is damaged
- Call the service staff
Error #2 - Calibration error 2 –
The screw is maximally pulled
out. No resistance while pulling
out
- The actuator has not been screwed
to the valve or has not been screwed
completely
- The valve stroke is too big or the
valve dimensions are not typical
- Actuator current sensor is damaged
- Check if the controller has been
installed properly
- Replace the batteries
- Call the service staff
Error #3 - Calibration error 3 -
The screw has not been pulled
out enough - the screw meets
resistance too early
- The valve stroke is too small or the
valve dimensions are not typical
- Actuator current sensor is damaged
- Low battery level
- Replace the batteries
- Call the service staff
Error #4 - No feedback
- The master controller is switched
off
- Poor range or no range in the
master controller
- Radio module in the actuator is
damaged
- Turn on the master controller
- Reduce the distance from the master
controller
- Call the service staff
Error #5 - Low battery level
The battery is fl at
Replace the batteries
Error #6 - Encoder is locked
The encoder is damaged
Call the service staff
Error #7 - To high voltage
- Unevenness of the screw, the
thread etc. may cause excessive
resistance
- Too high resistance of gear or
motor
- Current sensor is damaged
Call the service staff
Error #8 - Limit switch sensor
error
Limit switch sensor damaged
Call the service staff
