8
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 wor
n 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
Consumpion
(1)
Oil level too high
(2)
Breath pipe chocked up
(3)
Piston ring and cylinder wo
rn or
damaged
(1)
Keep the level within
set range
(2)
Check and clean
(3)
Repair or replace
TROUBLESHOOTING
Summary of Contents for HWKAC3
Page 9: ...PARTS 9 ...
