E1" Indoor Unit: Pc Board Defect - Daikin ERSQ 011AAV1 Service Manual

ESIE09-08
3.12 "E1 " Indoor Unit: PC Board Defect
E1
Remote Control
Display
Subcode 3
Applicable
All indoor units
Models Related to: R-134a compressor
Method of Check data from E²PROM
Malfunction
Detection
Malfunction
When data could not be correctly received from the E²PROM
Decision E²PROM: Type of nonvolatile memory. Maintains memory contents even when the power
supply is turned off.
Conditions
Supposed
Causes
Troubleshooting
Troubleshooting
Defect compressor main PC board (A4P)
Be sure to turn off power switch before connecting or disconnecting connector,
otherwise parts may be damaged.
Caution
Turn off the power once and
turn on again.
Return to normal?
NO
Troubleshooting by Indication on the Remote Controller
YES
External factor other than
malfunction (for example,
noise etc.).
Replace the indoor unit
compressor main PC Board
(A4P).
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