Campbell Hausfeld HL5403 Instructions D'utilisation Et Manuel De Pièces page 7

troubleshooting Chart (Continued)
symptom
Motor hums but cannot
run or runs slowly
Motor reset protector
cuts out repeatedly
Knocks, rattles, and/or
excessive vibration
Compressor runs
continuously and safety
valve opens as pressure
rises
Air leaking from
unloader valve on
pressure switch
Possible Cause(s)
1. Circuit overloaded
2. Low voltage
3. Extension cord usage - wrong gauge
wire and/or too long.
4. Loose electrical connections
5. Worn check valve
6. Defective unloader valve (on
pressure switch)
7. Defective motor capacitor(s)
8. Defective motor
1 Lack of proper ventilation / room
temperature too high
2. Clogged intake filter
3. Circuit overloaded
4. Extension cord usage - wrong gauge
wire and/or too long.
5. Worn check valve
6. Defective unloader valve (on
pressure switch)
7. Defective motor
1. Loose mounting bolts
2. Tank not level
3. Cylinder or piston is worn/scored
1. Defective pressure switch
2. Defective safety valve
1. Check valve stuck in an open
position
2. Unloader valve stuck in open
position
Corrective action
1. Disconnect other electrical appliances from circuit or
operate compressor on its own branch circuit
2. Check voltage at wall outlet with voltmeter.
3. Remove extension cord or refer to Extension Cord
Chart on page 4
4. Check all electrical connections
5. Replace check valve
6. Replace unloader valve
7. Replace capacitor(s)
8. Replace motor
1. Move compressor to well ventilated area
2. Clean or replace filter
3. Check for proper fuse, use time-delay fuse.
Disconnect other electrical appliances from circuit or
operate compressor on its own branch circuit
4. Remove extension cord or refer to Extension Cord
Chart on page 4
5. Replace check valve
6. Replace unloader valve.
7. Replace motor
1. Tighten bolts.
2. Use sturdy wedge/object to bring tank to level
position.
3. Replace or repair as necessary.
1. Replace switch.
2. Replace safety valve with genuine replacement part.
1. Replace check valve.
2. Replace unloader valve.
7
hL5403, hL5404
Do not disassemble check valve
with air in tank; bleed tank
Do not disassemble check valve
with air in tank; bleed tank
Do not disassemble check valve
with air in tank; bleed tank