Troubleshooting - Senco PCS1290 Mode D'emploi

Probable Cause
 Power cord not plugged in.
 Motor/Pressure switch in
 Motor thermal overload switch has tripped.
 Fuse blown or circuit breaker has tripped.
 Wrong gauge wire or length of extension cord.
 Air tank pressure exceeds motor/pressure switch
"cut-in" pressure.
 Pressure release valve on motor/pressure switch
has not unloaded pump head pressure.
 Defective motor, motor capacitor, motor/pressure
switch, or check valve.
Symptom 2. When in the ON (1) position, motor runs continuously.
Probable Cause
 Motor/Pressure switch does not shut off motor
when air compressor reaches "cut-out" pressure
and safety relief valve activates.
 Air compressor is incorrectly sized.
Symptom 3. Air continues to leak at motor/pressure switch release valve after motor stops.
Probable Cause
 The check valve is stuck open.
Symptom 4. Air continues to leak at motor/pressure switch release valve after motor is running.
Probable Cause
 Defective motor/pressure switch.
Probable Cause
 Possible defective safety relief valve.
 Excessive air tank pressure.

Troubleshooting

Symptom 1. Motor will not run or restart.
 Plug cord into grounded outlet.
position.  Move switch to
OFF (0)
 Turn air compressor off, wait until motor is cool,
 Replace fuse or reset circuit breaker.
 Check for proper fuse amperage.
 Check for low voltage conditions.
 Disconnect any other electrical appliances from
 Check chart on page 10 for proper gauge wire
 Motor will start automatically when air tank
 Bleed the line by moving the switch to the
 Contact Senco Customer Service.
 Move the motor/pressure switch to the
 Limit the air pressure to the capacity of the air
 Remove, clean, or replace.
 Replace.
Symptom 5. Air leaks from safety relief valve.
 Operate safety relief valve manually by pulling on
 Defective motor/pressure switch. Replace.
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Remedy
position.
ON (1)
then check motor circuit breaker.
circuit or operate air compressor on its own
branch circuit.
and cord length.
pressure drops below "cut-in" pressure of
motor/pressure switch.
position.
OFF (0)
Remedy
position. If the motor doesn't shut off, unplug the
air compressor. If the electrical contacts are
welded together, replace the pressure switch.
compressor. Either use a smaller tool or a larger
air compressor.
Remedy
Remedy
Remedy
ring. If it still leaks, it should be replaced.
GB
OFF (0)
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