Electronic Expansion Valve Coil Abnormality - Daikin SkyAir RZR-TA Series Service Manual

SiUS281811EA

4.33 Electronic Expansion Valve Coil Abnormality

E9
Error Code
Applicable All outdoor units
Models
Method of Error Check continuity of electronic expansion valve coil.
Detection
Error Decision
No current is detected in the common (COM [+]) when power supply is ON.
Conditions
Supposed
 Defective electronic expansion valve coil
Causes  Defective outdoor main PCB
 Disconnection of connectors for electronic expansion valve
Troubleshooting
Reference
CHECK 18 Refer to page 308.
Part 6 Service Diagnosis
Be sure to turn off the power switch before connecting or disconnecting
Caution
connectors, or parts may be damaged.
Turn power supply OFF, and
turn power supply ON again.
Return to normal?
NO
The connector of
outdoor main PCB (A1P)
for electronic expansion
valve is connected.
YES
The
resistance of
electronic expansion
valve coil is normal.
CHECK 18
YES
Troubleshooting by Error Codes
YES
External factor other than error
(for example, noise etc.).
NO
Ensure correct connection.
NO
Replace the electronic
expansion valve coil.
Replace the outdoor main
PCB (A1P).
261