Daikin R71FUV1 Service Manual page 149

Si20-701_B
Remote Controller Display
E1
Applicable Models
RZQ-K/H, RZQ(S)-B/C, RZQG-L, RZR-KU/HU
Method of Error Detection
Micro-computer checks whether E
Error Decision Conditions
2
When E PROM error when turning the power supply ON
Supposed Causes
Defective outdoor unit PCB
Troubleshooting
Caution
Turn the power supply
OFF once and then
restart.
Is
normal reset
possible?
Turn OFF the power
supply, remove the fan
motor connector and then
turn ON the power supply
again.
The error is
displayed again.
142
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
YES
NO
YES
NO
Troubleshooting by Remote Controller
2
PROM is normal.
External factor
(Noise, etc.)
Replace the
outdoor unit
PCB.
Check the fan
motor.