E9" Malfunction Of Electronic Expansion Valve - Daikin ESIE13-02 Service Manual

Error Codes: Outdoor Units

"E9" Malfunction of Electronic Expansion Valve

4.6
1
Remote controller
display
Method of
malfunction
detection
Malfunction
decision conditions
3
Supposed causes
4
5
Part 4 – Troubleshooting
E9
Method is determined according to the suction pipe superheat degree and electronic expansion valve
opening degree calculated by values of low pressure sensor and suction pipe temperature thermistor.
When the following conditions are met for 10 minutes
Suction pipe superheat degree < 4°C

Minimum electronic expansion valve opening degree

Connector of electronic expansion valve is missing when the power is on.

Faulty electronic expansion valve

Faulty solenoid valve

Faulty check valve

Disconnection of electronic expansion valve harness

Faulty connection of electronic expansion valve connector

Faulty each thermistor

Faulty mounting

Faulty pressure sensor

Faulty Outdoor control PC board

114
ESIE13-02