SiBE18-821_C Troubleshooting for BP Unit
Troubleshooting 377
6.2 BP Unit PCB Abnormality
Remote
Controller
Display
E2
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
îš„
Defective BP unit PCB
Troubleshooting
YES
NO
External factor other than
malfunction (for example,
noise etc.).
Replace the BP unit PCB.
(R13019)
Turn off the power once and
turn on again.
Return to normal?
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
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