Troubleshooting Chart - Husky Oilless, Single Stage, Direct Drive, Electric Air Compressors Operator's Manual

Note: Troubleshooting problems may have similar causes and solutions.
PROBLEM
Pressure relief valve
opens
Motor will not run
18

TROUBLESHOOTING CHART

POSSIBLE CAUSE
Tank pressure exceeded normal
operating pressure
Pressure switch stuck
Tank pressure exceeds preset
pressure switch limit
Motor overload protection has
tripped
Fuse blown or circuit breaker
tripped
Check valve stuck open
Pressure bleeder valve on
pressure switch has not
unloaded head pressure
Wrong wire gauge in extension
cord
Loose electrical connections
Paint spray on internal motor
parts
Possible defective motor
SOLUTION
Contact authorized service center.
Contact authorized service center.
Motor will start automatically when tank pressure drops below
kick-in pressure of pressure tank.
Let motor cool off and overload switch will automatically reset. This
may take several minutes.
• Replace blown fuse or reset circuit breaker. Do not use fuse or
circuit breaker with higher rating than specified for your branch
circuit.
• Check for proper fuse; "Fusetron" type T is acceptable.
• Check for low voltage and proper extension cord size.
• Disconnect other applications from circuit. Operate compressor
on a dedicated circuit.
Remove and clean or replace.
Bleed line by moving pressure switch lever to OFF Position before
restarting. If bleeder valve does not open, replace bleeder valve.
Check for proper gauge and extension cord length.
Contact authorized service center.
Have checked at service center. Do not operate compressor in the
paint spray area
Have checked at service center.
200-2616