TROUBLESHOOTING
22
Before You Call
If you have any problems with the operation of your air
compressor, please call the air compressor helpline at
1-800-743-4115. If calling for assistance, please have the
model, revision, and serial number information printed on the
data tag available. (see Figure 22).
TROUBLESHOOTING
MODEL
REV NO
SERIAL NO
Figure 22 - Data Tag Information
Barcode
Barcode
Unit Information
PROBLEM
CAUSE
CORRECTION
Excessive tank pressure - Safety
Valve pops off.
Pressure Switch does not shut off engine
when compressor reaches “cut-out”
pressure or “cut-off” setting too high.
Move engine ON/OFF Switch to OFF
position. Contact trained service technician.
Air losses
1.
Quick Connect Fitting cracked or
loose.
2.
Check Valve seat dirty or damaged.
3.
Defective Pressure Release Valve.
4.
Defective air tank.
5.
Leaking seal.
6.
Damaged Pressure Control.
1.
Tighten Quick Connect Fittings where
air can be heard escaping. Replace
fittings.
2.
Contact trained service technician.
3.
Contact trained service technician.
4.
Air tank must be replaced. DO NOT
REPAIR TANK.
5.
Contact trained service technician.
6.
Contact trained service technician.
Knocking noise
Safety Valve dirty or defective.
Operate Safety Valve manually by pulling on
ring. If valve still leaks, have it replaced at an
authorized service center.
Summary of Contents for 74002
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