Check Operation Not Executed - Daikin Super Multi Plus D-Series Service Manual

SiEBE18-526

7.24 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 PCB?
YES
NO
Troubleshooting for Outdoor Unit
Press the BS4 on PCB on the
master outdoor unit for 5 seconds
or more to execute check
operation.
Replace the main PCB on the
outdoor unit.
(Q0443)
319