Ingersoll-Rand R110IU-10, Manual

Page: 12 / 79

12
Low sump air
pressure.
Fault T 6
Incoming power wired to
package incorrectly
Check main motor rotation if
incorrect change any two wires
to reverse rotation.
P2 Sensor
calibration
failure.
Fault T 11
Motor PTC Open
(High Motor Temp)
Fault T 20
Check for overload
condition Checking motor cooling
Inlet valve not opening
Check valve and make sure it
operates freely
Check load solenoid valve and
controller operation.
P1 Sensor
calibration
failure.
Fault T 10
Check sensor connection and calibrate or replace if
necessary
P1 Sensor Failure
Fault T 7
P2 Sensor Failure
Fault T8
Temperature Sensor
Failure
Fault T 9
Check wiring to transducer Recalibrate Transducer or
Replace
Controller
measured value
is outside of the +/- 10 %
range of the full scale value.
Check resistance using
chart on pages 52-57.
Replace sensor if resistance
does not equal ambient
temp.