Troubleshooting for Outdoor Unit
SiSG121917E
147
Part 6 Service Diagnosis
7.7 Outdoor Unit PCB Abnormality
Error Code
E1
Outdoor Unit LED
Display
A
j
1
i
2
i
3
i
4
h
5
h
Method of Error
Detection
Detect within the program of the microcomputer.
Error Decision
Conditions
The program of the microcomputer is in abnormal running order.
Supposed
Causes
Defective outdoor unit PCB
Noise
Momentary drop of voltage
Momentary power failure
Troubleshooting
(R21
8
09)
Caution
Be s
u
re to t
u
rn off the po
w
er s
w
itch
b
efore connecting or disconnecting
connectors, or parts may
b
e damaged.
YES
N
O
N
O
YES
Replace the o
u
tdoor
u
nit PCB
(main PCB).
Gro
u
nd the system.
The ca
u
se can
b
e external
factors other than malf
u
nction.
In
v
estigate the ca
u
se of noise.
T
u
rn on the po
w
er.
Error again?
Check if the o
u
tdoor
u
nit is
gro
u
nded.
Gro
u
nded?
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 ...
