17
HHC4G User Manual
SECTION 8 - TROUBLESHOOTING
Many troubleshooting procedures present hazards which can result in
severe personal injury or death. Only trained and experienced service per-
sonnel with knowledge of fuels, electricity, and machinery hazards should
perform service procedures. Review Safety Precautions.
A hot compressor can cause severe burns. Always allow the compressor
set to cool before performing any maintenance service.
PROBLEM
CAUSE
CORRECTION
Compressor
does not start
•
Blown fuse or circuit
breaker tripped
•
Loose electrical con-
nections
•
Overheated motor
•
Check for cause and
replace or reset
•
Check wiring con-
nections
•
Use reset button
•
Wait for automatic
reset
Compressor
does not supply
enough pressure
to operate
•
Air leak in safety valve
•
Restricted air filter
•
Defective check valve
•
Check valve manu-
ally – pull upward
on rings. If condition
persists, replace valve
•
Clean or replace air
filter
•
Replace check valve
Excessive tank
pressure; Safety
relief valve
releasing
•
Defective pressure
switch or improper
adjustment
•
Check for proper
adjustment and if
problem persists,
replace pressure
switch
Moisture in
discharged com-
pressed air
•
Condensation in
air tank caused by
humidity
•
Compressor located in
damp or humid area
•
Drain tank
•
Relocate the com-
pressor
•
Purchase In-Line air
filter system
Summary of Contents for HHC2G
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