Daikin RZQ Series FCQ20EVA Service Manual page 136

Troubleshooting by Remote Controller
Troubleshooting
Caution Be sure to turn off the power switch before connecting or disconnecting connectors, or parts may be damaged.
considered that the fin
temperature was high?
radiation fin thermistor
correctly connected to the
Turn ON the power supply, and then
press the remote controller check
button once.
Is the error code "
Error is displayed again.
Note:
1. Radiation fin temperature detection value
Model
RZQ20/24LVA
RZQ36/45LVA
RZQ45/48MYL
127
Can it be
YES
(∗1)
NO
Is the
connector of the
NO
outdoor unit
PCB?
YES
P4 YES
"
displayed?
NO
YES
NO
Detection
87°C
89°C
76°C
Reset
77°C
79°C
66°C
SiME281501E
Eliminate the cause.
Connect correctly.
P4
Go to troubleshooting "
Replace the outdoor unit
inverter PCB.
Continue the operation.
Service Diagnosis
".