Troubleshooting Guide - CH WL675000 Manual De Usuario

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Operating Instructions and Parts Manual

Troubleshooting Guide

Stop using unit immediately if any of the following problems occur. Serious personal injury could result.
Any repairs or replacements must be done by a Qualified Service Person or Authorized Service Center.
SYMPTOM
Compressor will not run
Motor hums but cannot run
or runs slowly
Fuses blow/circuit breaker
trips repeatedly
Thermal overload protector
cuts out repeatedly
Air tank pressure drops when
compressor shuts off
Excessive moisture in
discharge air
Compressor runs
continuously
Compressor vibrates
Air output lower than normal
16
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POSSIbLE CAUSE(S)
1.
Unit is plugged into extension cord
2.
No electrical power
3.
Breaker open
4.
Thermal overload open
5.
Pressure switch bad
1.
Low voltage
2.
Unit is plugged into extension cord
3.
Shorted or open motor winding
4.
Defective check valve or unloader
1.
Incorrect size fuse, circuit overloaded
2.
Unit is plugged into extension cord
3.
Defective check valve or unloader
1.
Low voltage
2.
Clogged air filter
3.
Lack of proper ventilation/room
temperature too high
4.
Unit is plugged into extension cord
1.
Loose connections (fittings, tubing,
etc.)
2.
Loose drain valve
3.
Check valve leaking
1.
Excessive water in air tanks
2.
High humidity
1.
Defective pressure switch exceeding
max pressure
2.
Excessive air usage
3.
Ring wear
Loose mounting bolts
1.
Broken inlet valves
2.
Connections leaking
COrrECTIvE ACTIOn
1.
Remove extension cord
2.
Plugged in? Check fuse/breaker or motor
overload
3.
Reset, determining why problem happened
4.
Allow motor to cool 30 minutes by unplugging
the unit.
5.
Replace
1.
Check with voltmeter
2.
Remove extension cord
3.
Replace motor
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 tanks; bleed tank.
1.
Drain tanks
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
3.
Contact your local service center
Tighten
1.
Have authorized service representative repair
unit
2.
Tighten connections
WL675000

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