Daikin RZQ140B7W1B [217/326] Malfunction of electronic expansion valve e9

Daikin RZQ100B8V3B [217/326] Malfunction of electronic expansion valve e9
ESIE05-03 Error Codes: Outdoor Units
Part 3 Troubleshooting 3–69
33
4
5
1
3.8 Malfunction of Electronic Expansion Valve (E9)
Remote Controller
Display
E9
Method of
Malfunction
Detection
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.
Malfunction
Decision
Conditions
When the following conditions are met for 10 minutes
P Suction pipe superheat degree < 4°C
P Minimum electronic expansion valve opening degree
Supposed Causes
P Faulty electronic expansion valve
P Faulty solenoid valve
P Faulty check valve
P Disconnection of electronic expansion valve harness
P Faulty connection of electronic expansion valve connector
ESIE05-03.book Page 69 Wednesday, April 6, 2005 4:09 PM

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