Use and Care Manual

TROUBLESHOOTING GUIDE (CONTINUED)
MAINTENANCE / REPAIR
TROUBLESHOOTINGOPERATION
ASSEMBLY /
INSTALLATION
SAFETY /
SPECIFICATIONS
GETTING STARTED
11
SYMPTOM POSSIBLE CAUSE(S) CORRECTIVE ACTION
Compressor shuts off
unexpectedly or won't start
1. Circuit overloaded 1. Disconnect other electrical appliances from circuit or
operate compressor on its own branch circuit
2. Low voltage 2. Check voltage at wall outlet with voltmeter.
3. Extension cord usage - wrong gauge
wire and/or too long.
3. Remove extension cord or refer to Extension Cord
Chart on page 7
4. Loose electrical connections 4. Check all electrical connections
5. Worn check valve 5. Replace check valve
Do not disassemble check
valve with air pressure in
tank; bleed tank.
6. Defective unloader valve (on pressure
switch)
6. Replace unloader valve
7. Defective motor capacitor(s) 7. Replace capacitor(s)
8. Defective motor 8. Replace motor
9. Lack of proper ventilation /
room temperature too high
9. Move compressor to well ventilated area
10. Clogged intake filter 10. Clean or replace filter
Knocks, rattles, and/or excessive
vibration
1. Loose mounting bolts 1. Tighten bolts.
2. Tank not level 2. Use sturdy wedge/object to bring tank to level position.
3. Cylinder or piston is worn/scored 3. Replace or repair as necessary.
Compressor runs continuously
and safety valve opens as
pressure rises
1. Defective pressure switch 1. Replace switch.
2. Defective safety valve 2. Replace safety valve with genuine replacement part.
Air leaking from unloader valve
on pressure switch
1. Check valve stuck in an open position 1. Replace check valve.
2. Unloader valve stuck in open position 2. Replace unloader valve.
Do not disassemble check
valve with air pressure in
tank; bleed tank.