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