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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