3-76
Check code
Operation cause
[99]
Indoor remote controller
communication alarm
1. Remote controller circuit connection error
2. Duplicated indoor No.1 units
3. Remote controller error
4. Indoor main P.C. board (MCC-1361) failure
YES
NO
YES
YES
YES
YES
YES
NO
YES
YES
NO
NO
NO
NO
NO
NO
NO
YES
Modify connection of wiring.
Make unit set up No.1.
Avoid duplication of unit
set up to No.1.
Set 1 unit to unit set up No.1.
Are A, B, C inter-unit
wires normal?
Is there a disconnection
or connection error?
Is unit set up No.1
included in the indoor units
under group operation?
Does serial send LED (Green)
D11 from remote controller on indoor
main P.C. board (MCC-1361) flash?
Does serial receive LED (Orange)
D13 from remote controller on indoor
main P.C. board (MCC-1361) flash?
Is group operation performed?
Is the unit set up No.1?
Does the indoor unit operate?
Is unit set up No.1 duplicated?
Check indoor main
P.C. board (MCC-1361).
Defective Replacement
Check indoor main
P.C. board (MCC-1361).
Defective Replacement
Check remote controller P.C. board.
Defective Replacement
<For 4-way Air Discharge Cassette type>
Содержание MMC-P0151H
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Страница 216: ...TOSHIBA CARRIER CORPORATION 336 TADEHARA FUJI SHI SHIZUOKA KEN 416 8521 JAPAN ...