Check Operation Not Executed - Daikin E-Series Service Manual

SiENBE18-621

7.28 Check Operation not Executed

U3
Remote Control
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
" Check operation is not executed.
Supposed
Causes
Troubleshooting
Troubleshooting
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Has the check
NO
operation performed
on Outdoor unit PC
board?
YES
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.
(V3052)
339