Troubleshooting Chart - Campbell Hausfeld CT436100 Instructions D'utilisation Et Manual De Pieces

Troubleshooting Chart

Symptom Possible Cause(s)
Compressor will 1. Unit is plugged into extension
not run cord
2. No electrical power
3. Blown fuse
4. Breaker open
5. Thermal overload open
6. Pressure switch bad
Motor hums but 1. Low voltage
cannot run or
2. Unit is plugged into extension
runs slowly
cord
3. Shorted or open motor winding 3. Replace motor
4. Defective check valve or
unloader
Fuses blow/circuit 1. Incorrect size fuse, circuit
breaker trips overloaded
repeatedly
2. Unit is plugged into extension
cord
3. Defective check valve or
unloader
Thermal overload 1. Low voltage
protector cuts out
2. Clogged air filter
repeatedly
3. Lack of proper ventilation /
room temperature too high
4. Unit is plugged into extension
cord
Air tank pressure 1. Loose connections (fittings,
drops when tubing, etc.)
compressor shuts
2. Loose drain lock
off
3. Check valve leaking
Excessive 1. Excessive water in air tank
moisture in
2. High humidity
discharge air
Compressor runs 1. Defective pressure switch
continuously
2. Excessive air usage
Compressor Loose mounting bolts
vibrates
Air output lower 1. Broken inlet valves
than normal
2. Intake filter dirty
3. Connections leaking
Corrective Action
1. Remove extension cord
2. Plugged in? Check fuse/breaker or motor overload
3. Replace blown fuse
4. Reset, determining why problem happened
5. Motor will restart when cool
6. Replace
1. Check with voltmeter
2. Remove extension cord
4. Replace or repair
1. Check for proper fuse, use time-delay fuse. Disconnect other
electrical appliances from circuit or operate compressor on its own
branch circuit
2. Remove extension cord
3. Replace or repair
1. Check with voltmeter
2. Clean filter (see Maintenance section)
3. Move compressor to well ventilated area
4. Remove extension cord
1. Check all connections with soap and water solution and tighten
2. Tighten
3. Disassemble check valve assembly, clean or replace
Do not disassemble check valve
with air in tank; bleed tank first.
1. Drain tank
2. Move to area of less humidity; use air line filter
1. Replace switch
2. Decrease air usage; compressor not large enough for a requirement
Tighten
1. Have authorized service representative repair unit
2. Clean or replace intake filter
3. Tighten connections
7
CT436100
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