Troubleshooting - SGS SC8H Owner's Manual

TROUBLESHOOTING

PROBLEM POSSIBLE CAUSE
Motor unable to run, 1. Fault in line or insufficient
running slow or getting voltage
hot 2. Power wire too thin or long
3. Fault in pressure switch
4. Fault in motor
5. Sticking of main compres-
sor
Sticking of main com- 1. Moving parts burnt due to
pressor insufficient oil
2. Moving parts damaged or
stuck by a foreign body
Shaking or abnormal 1. Connecting part loose
noise 2. Foreign body in the main
compressor
3. Piston knocking the valve
seat
4. Moving parts seriously
worn
Pressure insufficient 1. Motor running too slow
or discharge capacity 2. Air filter choked up
decreased 3. Leakage of safety valve
4. Leakage of discharge pipe
5. Sealing gasket damaged
6. Valve plate damaged,
stuck or carbon build up
7. Piston ring and cylinder
worn or damaged
Excessive oil consump- 1. Oil level too high
tion 2. Breather pipe choked up
3. Piston ring and cylinder
worn or damaged
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ACTION
1. Check the line
2. Replace the wire
3. Repair or replace
4. Repair or replace
5. Check and repair
Check crankshaft, bearing,
connecting rod, piston, piston ring,
etc. and replace if
necessary
1. Check and retighten
2. Check and clean away
3. Replace with thicker paper
gasket
4. Repair or replace
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
1. Keep the level within set range
2. Check and clean
3. Repair or replace
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