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5.2
Trouble Shooting of 3-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 is in
poor contact or broken.
2. Adjust or replace.
3. Signal wire is broken.
3. Reconnect the signal wire.
Blower keeps working
after material hopper is
full-loaded.
Contactor malfunction.
Repair or replace it.
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 overload alarm
1. Filter is blocked.
Clean the filter and press Reset on the
overload relay.
2. Phase shortage
Check the electrical circuit and 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.
