Daikin SkyAir RZR-TA Series Service Manual page 241

SiUS281811EA
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.
NO
Power is supplied.
YES
Electronic
expansion valve is
NO
connected to X7A
of indoor unit
PCB.
YES
Check
of electronic
NO
expansion valve coil
indicates normal.
CHECK 18
YES
Relay cables short
YES
circuit or
disconnected.
NO
Troubleshooting by Error Codes
Replace the electronic expansion
valve main body.
Shut the power supply OFF after
connection and then restart.
Replace the electronic expansion
valve coil.
Replace the relay cables.
When restarting the operation after
shutting the power supply OFF
does not work, replace the indoor
unit main PCB (A1P).
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