SiUS39-601
"U3" Outdoor Unit:
2.44
U3
Remote
Controller
Display
Applicable
RXYQ72M, 96M
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 not executed
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 outdoor unit for 5 seconds or
more to execute check operation.
Replace the main P.C. board on
the outdoor unit.
(V3052)
177