23
Troubleshooting Chart
If you are experiencing a problem that is not listed in this chart, or have
checked all the possible cause listed and you are still experiencing the
problem, see your authorized dealer.
Trouble
Possible causes
Remedies
Motor unable
running, running
too slow, or getting
hot
1. Fault in line, or voltage
insufficient
2. Power wire too thin or
too long
3. Fault in pressure switch
4. Fault in motor
5. Sticking of main
compressor
1. Check the line
2. Replace the wire
3. Repair or replace
4. Repair or replace
5. Check and repair
Sticking of main
compressor
1. Moving parts burnt due to
the oil insufficient
2. Moving parts damaged,
or stuck by foreign body
Check crankshaft, bearing,
connecting rod, piston,
piston ring, etc, and
replace if necessary.
Terrible shake or
abnormal noise
1. Connecting part loosed
2. Foreign body got into
main compressor
3. Piston knocking valve
seat
4. Moving parts seriously
worn
1. Check and retighten
2. Check and clean away
3. Replace with thicker
paper gasket
4. Repair or replace
Pressure
insufficient or
discharge capacity
decreased
1 Motor running too slow
2. Air filter chocked up
3. Leakage of safety valve
4. Leakage of discharge
pipe
5. Sealing gasket damaged
6. Valve plate damaged,
carbon buildup or stuck.
7. Piston ring and cylinder
worn or damaged
1. Check and remedy
2. Clean or replace the
cartridge
3. Check and adjust
4. Check and repair
5. Check and replace
6. Replace and clean
7. Repair or replace
Excessive oil
consumption
1. Oil level too high
2. Breath pipe chocked up
3. Piston ring and cylinder
worn or damaged
1. Keep the level within set
range
2. Check and clean
3. Repair or replace