Chiltrix CXI120, Manual

Page: 39 / 50

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1) When there is a sensor error code, measure the resistance value of the sensor with a multimeter,
and compare the ambient temperature with the table above, then you will know whether the
NTC resistance sensor is faulty.
2) Generally, from above table, you can know the temperature by testing NTC resistance value.
8.
Troubleshooting
Malfunction Code Cause Solution
Indoor ambient
P4
Ambient
temperature
Check or replace the
temperature sensor
sensor is in open
circuit ambient temperature
sensor
or short circuit
P5
Coil temperature
sensor
Check or replace the
Coil temperature
sensor
is in open circuit
Coil temperature
sensor
or short circuit
Motor feedback signal
E0
feedback wire is not
inserted Check the feedback
wire
well or Fan Motor
failure
or replace the motor
Front air inlet grill
micro switch
Front grill is open, or
sw. is not closed Close front grill or
replace micro switch