Use and Care Manual

15
TROUBLESHOOTING
PROBLEM CAUSE REMEDY
Circuit breaker tripped Reset breaker
Fuse blown Replace fuse. Use Fusetron
type “T” fuse only.
Power turned off. Turn power on
Pressure release valve on
motor/pressure switch has not
unloaded pump head pressure.
Bleed line by moving switch to
“OFF” position. Pull switch to
“ON” position to restart unit.
Defective cord or plug Replace
Motor thermal overload tripped Turn compressor off, allow motor
to cool, and reset overload
button.
Compressor won't start
Motor, capacitor, pressure switch, or
check valve inoperable.
Contact authorized service
dealer.
Drain plug open Close drain plug
Safety relief valve stuck open Replace
Compressor runs continuously;
doesn't shut off
Air fitting on hose stuck open Repair or replace
Pressure switch misadjusted Have authorized service dealer
adjust pressure switch.
Safety relief valve pops open
Pressure switch inoperable Have switch serviced by
authorized service dealer.
Air leaks from safety relief valve Valve stuck or inoperable Pull on ring and release.
Replace valve if leak continues.
Tool, sprayer, or other accessory
doesn't work properly.
Air pressure too low or too high Adjust regulator to provide
pressure recommended by
product manufacturer.
Unit runs continuously Air usage greater than compressor
output capacity
Check CFM requirements of air
tool or accessory being used.
Oil level low Check for leaks, and add oil Noisy operation
Internal wear or damage Have unit serviced by authorized
service dealer.
Air leaks at motor/pressure switch
release valve while motor is running
Switch inoperable Have authorized service dealer
replace switch
Air leaks at motor/pressure switch
release valve after motor stops.
Switch inoperable Have authorized service dealer
replace switch