SiBE18-821_C Troubleshooting for Outdoor Unit
Troubleshooting 383
7. Troubleshooting for Outdoor Unit
7.1 Outdoor Unit PCB Abnormality
Remote
Controller
Display
E1
Method of
Malfunction
Detection
Check data from EEPROM
Malfunction
Decision
Conditions
When data could not be correctly received from the EEPROM
EEPROM: Type of nonvolatile memory. Maintains memory contents even when the power
supply is turned off.
Supposed
Causes
Defective main PCB (A1P)
Troubleshooting
Turn off the power once and
turn on again.
YES
Return to normal?
External factor other than
malfunction (for example,
noise etc.).
Replace the main PCB
(A1P).
(R13016)
NO
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
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