E1 Outdoor Unit Pcb Abnormality - Daikin R71FUV1 Service Manual

Si20-701_B
E1
3.23
Abnormality
Remote Controller Display
E1
Applicable Model
R(Y)-LU, RR-M
Method of Error Detection
A micro-computer checks whether or not E
normal.
Error Decision Conditions
2
When E PROM error when turning the power supply ON
Possible Causes
Defective outdoor unit PCB
Troubleshooting
Caution
Turn the power supply
OFF and turn the power
ON.
Reset
normally?
140
Outdoor Unit PCB
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
YES
NO
Troubleshooting by Remote Controller
2
PROM is
External factor
(Noise, or etc.)
Replace the
outdoor unit
PCB.