Check Operation Not Executed - Daikin E-Series Service Manual

SiAU18-715
7.28

Check Operation not Executed

U3
Remote
Controller
Display
Applicable AII outdoor unit models
Models
Method of Check operation is executed or not
Malfunction
Detection
Malfunction Malfunction is decided when the unit starts operation without check operation.
Decision
Conditions
Supposed
Causes
Troubleshooting
Troubleshooting
Check operation is not executed.
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Has the
check operation
performed on Outdoor
unit PC board?
YES
NO
Troubleshooting for Outdoor Unit
Press the BS4 on PC
board on the master
outdoor unit for 5 seconds
or more to execute check
operation.
Replace the main PC
board on the outdoor unit.
(Q0577)
389