SiSG121917E
Troubleshooting for Outdoor Unit
Part 6 Service Diagnosis
142
Reference
7.3 Wiring Error Check Unexecuted
Error Code
U3
Outdoor Unit LED
Display
A
j
1
h
2
i
3
h
4
h
5
h
Method of Error
Detection
The system checks if wiring error check is executed after clearing the memory.
Error Decision
Conditions
An error is determined when the unit is operated by the remote controller without executing
wiring error check after the memory was cleared.
Supposed
Causes
The wiring error switch (SW3) may have been pressed for 10 seconds or more and the memory
may have been deleted. The unit cannot be operated unless wiring error check is executed.
Troubleshooting
Refer to Wiring Error Check Function on page 185 for details.
(R22429)
Caution
NO
YES
Wiring error check
executed?
Cond
u
ct
w
iring error check.
W
iring error check may not
ha
v
e
b
een finished
b
eca
u
se of
the tro
ub
le of indoor/o
u
tdoor
u
nit.
Cond
u
ct
w
iring error check
again.
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Содержание FDMR50TVMG
Страница 185: ...SiSG121917E Check Part 6 Service Diagnosis 180 50 65 80 class 90 class V U DC DC R22378 W R21130 W V U DCP2 DCM2 ...
Страница 212: ...Piping Diagrams SiSG121917E 207 Part 8 Appendix MKS65TVMG MKB65TVMG MKS80TVMG 3D103941A 3D103942A ...
Страница 213: ...SiSG121917E Piping Diagrams Part 8 Appendix 208 MKS90TVMG 3D104086 ...
Страница 223: ...SiSG121917E Operation Limit Part 8 Appendix 218 3 Operation Limit MKS50 65 80 90TVMG MKB50 65TVMG 4D078793B ...