Daikin GYEQ20AN, Руководство по обслуживанию

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Flow Charts for Troubleshooting SiAUY361411EA
139 Troubleshooting
9
Abnormal EEPROM
Error
code
EA
Description
of the failure Sub-code 0: EEPROM's internal data area is unreadable.
Possible
causes
of the failure
EEPROM failure; main circuit board failure
Flow chart
Is EEPROM Installed Correctly?
YES
Change Main Circuit Board.
Use the EEPROM supplied with the new circuit board.
NO
Install EEPROM Correctly.
025872-00E
10
Software Version Mismatch
Error
code
EH
Description
of the failure
Sub-code 0: Incorrectly updated to a software version for a different model.
Sub-code 2: Incorrectly updated to a software version for a different series.
Sub-code 2: PCB is not supported by the software.
Possible
causes
of the failure
Software version for a different model; software version for a different series; EEPROM failure;
PCB mismatch
Flow chart
Are Model And Series Of
Main CPU Correct?
YES
NO
Check Model
(Using Onboard Checker.)
NO
Reinstall Removed
EEPROM.
YES
Change Circuit Board,
EEPROM, Or
Reconfigure Model.
Is Removed
EEPROM Reinstalled To
New Circuit Board?
YES
NO
Change Circuit Board.
Is Circuit Board Correct?
025873-00EN01