Si20-701_B Troubleshooting by Remote Controller
142
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
2
PROM is normal.
Error Decision Conditions
When E
2
PROM error when turning the power supply ON
Supposed Causes
îš„ Defective outdoor unit PCB
Troubleshooting
Is
normal reset
possible?
YES
NO
External factor
(Noise, etc.)
Turn OFF the power
supply, remove the fan
motor connector and then
turn ON the power supply
again.
Turn the power supply
OFF once and then
restart.
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
The error is
displayed again.
YES
Replace the
outdoor unit
PCB.
NO
Check the fan
motor.
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