U3" Check Operation Not Executed - Daikin R410As Service Manual

Si39-302
" U3 "
2.41 Check Operation not executed
U3
Remote
Controller
Display
Applicable RXYQ5~48M
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 P.C.B?
YES
Troubleshooting by Indication on the Remote Controller
NO
Press the BS4 on P.C. board on
the master outdoor unit for 5
seconds or more to execute check
operation.
Replace the main P.C. board on
the outdoor unit.
(V3052)
203