Reactor Temperature Rise Abnormality - Daikin Aurora Series Service Manual

SiUS341802E

2.46 Reactor Temperature Rise Abnormality

L3
Error Code
Applicable
RXLQ72TATJU
Models
Method of Error
Detect according to the value detected with the reactor surface thermistor.
Detection
Error Decision When the temperature detected with the reactor surface thermistor is more than the specified
Conditions temperature.
Supposed
Causes
Troubleshooting
Service Diagnosis
Defective connection of harness
Defective reactor surface thermistor
Defective inverter PCB
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
Is
reactor
harness connected to
the terminal strip
correctly?
YES
Is the wiring
disconnection in the
reactor surface
thermistor?
NO
NO
YES
Troubleshooting by Error Code
Connect the harness
correctly.
Replace the thermistor.
Replace the inverter PCB
(A3P).
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