Troubleshooting
2.4.2.3. E3 malfunction
Communication malfunction between
IPM board and outdoor main board
Is there at least one LED in
the IPM board light?
Check the signal wire between
the IPM board and the main
board, is it connected good?
Reconnect and retry. Is
error still display?
Replace IPM board, and
then check whether the
system can run normally
Replace the electric control
box
No
No
No
No
Yes
Trouble is solved
No
Yes
Replace outdoor main
board, and then check
whether the system can run
normally
No
Yes
Yes
E3 display
Electrical Control System
77
Содержание ICS0629C21
Страница 1: ...SERVICE MANUAL IOS629C2V01 IOS736C2V01 IUS0736C21 ICS0629C21 ICS0736C21 AIR CONDITIONER i ...
Страница 2: ......
Страница 4: ......
Страница 9: ...Part 2 Indoor Units Four way Cassette Type 6 Ceiling Floor Type 20 5 ...
Страница 13: ......
Страница 16: ...Service Space 3 Service Space 1000mm 1000mm 1000mm 1000mm 12 Four way Cassette Type ...
Страница 17: ...Wiring Diagrams 4 Wiring Diagrams ICS0629C21 ICS0736C21 Four way Cassette Type 13 ...
Страница 23: ...Field Wiring 11 Field Wiring ICS0629C21 ICS0736C21 Four way Cassette Type 19 ...
Страница 27: ...Service Space 3 Service Space Ceiling Floor Type 23 ...
Страница 28: ...Wiring Diagrams 4 Wiring Diagrams IUS0736C21 24 Ceiling Floor Type ...
Страница 35: ...Field Wiring 11 Field Wiring IUS0736C21 Ceiling Floor Type 31 ...
Страница 40: ...Wiring Diagrams 3 Wiring Diagrams IOS629C2V01 36 Outdoor Unit ...
Страница 41: ...Wiring Diagrams IOS736C2V01 Outdoor Units 37 ...