Authorized Ingersoll Rand Dealer

Air Compressor Shuts Down

Probable Cause
Display Reading
What to Do
Note: If a shutdown occurs,
press the DISPLAY SELECT buttononce to activate the display table. Using the adjacent up and down arrows, the values displayed will be those immediately preceding shutdown.

Use these values when trouble-shooting a problem.

“HIGH AIREND
TEMP.”
Insure that installation area
has adequate ventilation.Insure that cooling fan is
operating. If not, reset
circuit breaker inside
starter box.

Check coolant level.
Add if required.

Cooler core may be dirty.
Clean coolers

“HIGH AIR PRESS.” Check for restricted or
malfunctioning blowdown
valve or minimum pressure
check valve.
“LOW SUMP PRESS.” Check for air leak from
tank or blowdown piping.Adjust sump pressure
“PRES SENSOR
FAIL” or “TEMP
SENSOR FAIL”
Check for defective sensor,
bad sensor connection or
broken sensor wires.
“CK MOTOR
ROTATION”
Interchange any two line
connections at the starter.
“MAIN MTR
OVERLD”
Check for loose wires.Check supply voltage.

Check heater size.

“FAN MTR
OVERLOAD”
Check for loose wires.Check supply voltage.

Fan motor overload tripped.

Check for dirty cooler cores.

“STARTER FAULT” Inspect starter contactors.Check for loose wires.

The Oklahoma City office of Air Systems and Pump Solutions has relocated to 14908 Santa Fe Crossing Drive, Edmond, OK 73013