SF-HC25C3 Height Controller
24
Trouble list
Fault not limit alarm
lights unstable
Check the project
Corrective action
Motor does not turn
Whether connected to
power
Connect the power
If supply voltage is normal
Check power
If motor locked-rotor
Reduce the load
No display
Check power
Power supply is connected
Only to display a
certain
Check connection panel
communication line
To reconnect or replace
communication line
Above limit alarm
lights
Running more than
mechanical upper limit
Check the high limit switch
Lower limit alarm
lights
Running more than
mechanical lower limit
Check low limit switch
Up and down limit at
the same time bright
and do other
operations
Motor open circuit, the
positive and power positive
short circuit, negative and
power grounding short
circuit
Check line motor
Signal swings
If steel is reliable grounding
Firmly grounded
Up and down swings
Sensitivity value is too small
Enhance sensitivity
Low accuracy
Sensitivity value is too big
Decrease sensitivity
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