ESIE09-08B Troubleshooting by Indication on the Remote Controller
Troubleshooting 145
3.12 “E1 ” Outdoor Unit: PC Board Defect
Remote Control
Display
E1
Applicable
Models
ER*Q 011~016*
Related to: R-410A compressor
Subcode 3: see next page
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 of outdoor unit PC board (A1P)
Troubleshooting
Caution
Be sure to turn off power switch before connect or disconnect
connector, or parts damage may be occured.
Turn off the power once and
turn on again.
Return to normal?
YES
External factor other than
malfunction (for example,
noise etc.).
Replace the outdoor unit
main PC Board (A1P).
(V3064)
NO