Daikin ESIE13-02 Service Manual page 115

ESIE13-02
Troubleshooting
Turn OFF the power supply once
and then turn it ON again.
Does the
NO
malfunction code "E9"
recur?
YES
Is the
electronic
expansion valve
connector properly connected
to the outdoor PC
board?
(*1)
YES
Is the coil
resistance of the
electronic expansion valve
normal?
(*2)
YES
Is the
temperature sensor of
each thermistor (suction pipe,
discharge pipe, intermediate heat exchanger
and heat exchanger distribution pipe
thermistors) mounted
properly?
YES
Are the
characteristics of each
thermistor normal?
(*3)
YES
Are the
pressure sensor
characteristics normal?
(*4)
YES
A
115
NO
NO
NO
NO
NO
Error Codes: Outdoor Units
Connect properly.
Replace the coil of the
electronic expansion valve.
Mount properly.
Replace the abnormal
thermistor.
Replace the pressure
sensor.
Part 4 – Troubleshooting
4
3
4 4
5