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5. Trouble-shooting
Failures Possible Causes Solutions
Motor does not work long after
material discharged.
Motor and electnomagnetic
contactor failure.
Repair or replace.
Poor contact of microswitch. Adjust or replace
Signal wire broken. Replace the signal wire.
Motor keep on working
after loading time is running
out.
Contactor malfunctions. Repair or replace contactor
PCB is broken Replace
Can not full-load the material
for several times or alarm
indicating material shortage.
Material is used up. Add material to storage bin.
Leakage in conveying hose. Lock up or replace conveying hose
Filter is blocked. Clear up filter screen
Motor does not work. Short of phase or motor failures.
Repair or replace
Fuse melt after startup
of the machine.
Short circuit or motor failures. Check electrical circuit
The alarm indicating
motor overload
Filter screen is blocked
After cleaning of filter screen,press
Reset on the overload relay.
Phase shortage
After fixed the circuit, press Reset
on the overload relay.
Poor material
liquidityin the pipe
Over or lack of air quantity
Adjust air inlet location of the
suction box.
Avoid small bending of the elbow.
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