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5. Trouble-shooting
5.1
Trouble Shooting of single phase SAL-U.
Failures
Possible reasons
Solutions
Lacking material for a long
time; blower does not work
1. Failures caused by blower or
magnetic proximity switch.
1. Replace or repair
2. Magnetic proximity switch/
photoelectric switch is in
poor contact or broken.
2. Adjust or replace.
3. Signal wire is broken.
3. Reconnect the signal wire.
Blower can not fully load
material hopper for several
times, or machine sounds
material shortage alarm.
1. No material left for
conveying.
1. Add material.
2. Air pipe leakage.
2. Firmly lock the air pipe or replace it.
3. Filter is blocked.
3. Clean the filter.
Blower can not work.
Blower is burn out.
Replace.
Fuse melts after turning on
the machine.
Short circuit.
Check electrical circuit.
Blower keeps working after
material hopper is
full-loaded.
1. Failures of circuit board
2. The touch spots of the
solenoid valve contact with
each other.
3. The sensor is in poor
induction.
Repair or replace.
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.
