Daikin MC401VE Service Manual page 28

SiE74-202
Troubleshooting
Troubleshooting
From previous page
Check 5-volt power supply
(between X6A (1) and (2)).
Is voltage
higher than 5.0
VDC?
YES
Check connector connection of
A2P display PCB assembly.
Is connection
normal?
YES
Replace display PCB
(Display PCB assembly)
NO
NO
Troubleshooting
Replace control PCB A1P
(control PCB assembly).
Correct connector
connection.
(Z0006)
21