Troubleshooting Chart - Campbell Hausfeld FP1995 Serie Manual De Instrucciones De Operación Y Lista De Piezas

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Operating Instructions and Parts List

Troubleshooting Chart

Symptom
Compressor will not
run
Thermal overload
protector cuts out
repeatedly
Tank pressure drops
when compressor shuts
off
Compressor runs
continuously and air
output is lower than
normal / low discharge
pressure
Excessive moisture in
discharge air
Safety valve pops open 1. Defective pressure switch
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Possible Cause(s)
1. Switch in OFF position
2. No electrical power at wall
outlet
3. Compressor has reached
automatic shutoff pressure
4. Motor overheated
5. Pressure switch bad
1. Low voltage
2. Wrong gauge wire or length of
extension cord
3. Lack of proper ventilation / room
temperature too high
4. Defective check valve
5. Defective unloader valve (on
pressure switch)
6. Compressor valves failed
1. Loose drain valve
2. Check valve leaking
3. Loose connections at fittings,
tubing, etc.
4. Tank leaks
1. Excessive air usage, compressor
too small
2. Loose connections at fittings,
tubing, etc.
3. Tank leaks
4. Broken valves
5. Piston ring worn
1. Excessive water in tank
2. High humidity
2. Defective safety valve
Corrective Action
1. Make sure compressor is plugged in and switch is ON.
2. Check circuit breaker or fuse at electrical panel.
3. Release air from tank until compressor restarts
automatically.
4. Allow compressor to cool for approximately 30 minutes so
thermal overload switch will reset. Make sure compressor is
run in a clean, well-ventilated area.
5. Replace pressure switch.
1. Check voltage at wall outlet with voltmeter.
2. Check extension cord chart for proper extension cord
usage.
3. Move compressor to well-ventilated area.
4. Repair or replace.
5. Repair or replace.
6. Replace valve assembly.
Do not disassemble check valve with
air pressure in tank; bleed tank.
1. Tighten.
2. Remove check valve. Clean or replace.
3. Check all connections with soap and water solution. If a
leak is detected, (1) tighten or (2) remove fitting and apply
pipe tape to threads and reassemble.
4. Check tank for leaks with soap and water solution. If leak is
detected, tank must be replaced with genuine replacement
part.
Do not disassemble check valve with
air pressure in tank; bleed tank.
1. Decrease usage or purchase unit with higher air delivery
(SCFM).
2. Check all connections with soap and water solution. If a
leak is detected, (1) tighten or (2) remove fitting and apply
pipe tape to threads and reassemble.
3. Check tank for leaks with soap and water solution. If leak is
detected, tank must be replaced with genuine replacement
part.
4. Replace compressor valves as necessary.
5. Replace piston rings.
1. Drain tank.
2. Move to area of less humidity; use air line filter.
NOTE: Water condensation is not caused by compressor
malfunction.
1. Replace pressure switch.
2. Replace safety valve with genuine replacement part.
6
FP1995 Series

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