Daikin GYEQ20AN Service Manual page 152

Flow Charts for Troubleshooting
12
Outdoor Fan Failure
Description Sub-code 0: All fans fail to run within 60 seconds after they receive a Run command.
of the failure
Fan failure; harness failure; DCBL circuit board failure; main circuit board failure
Possible
causes
of the failure
Flow chart
Is Connector Combination
On Harness Appropriate?
YES
Is Outdoor Unit Supply
Voltage Normal?
YES
Is Power Circuit Board's
CN104 Connected Properly To
DCBL Circuit Board's CN201?
YES
Is Voltage Across CN201-1
And -2 On DCBL Circuit Board
YES
Change DCBL Circuit Board.
141
NO
Use Correct Combination of
DCBL Circuit Board Connectors.
Fan 1
Fan 2
Fan 3
NO
Check Supply Voltage.
NO
Correct Connector
Connections.
NO
Change Power Supply
Circuit Board.
025875-01E
SiAUY361411EA
Error
F2
code
Troubleshooting