U3" Check Operation Not Executed - Daikin VRV III-S RXYMQ6PV4A Service Manual

SiME34-608
"U3 "
3.40 Check Operation not Executed
U3
Remote
Controller
Display
Applicable RXYMQ6P
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
Troubleshooting by Indication on the Remote Controller
NO
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)
175