Toshiba MM-A0280HT Service Manual page 70

Diagnostic Procedure for Check Code
Check code
[96]
Consistency detection of indoor
and outdoor addresses
Is the wiring connection
to the communication cable
(PQ) normal?
Yes
Is the communication cable
connected to another
outdoor unit incorrectly?
No
Is the No. of indoor units connected
to the outdoor unit normal?
Yes
Is the communication cable
connected to the central
management remote controller?
Yes
Check interface P .C. board
of outdoor unit.
If defective, replace.
Troubleshooting
1. Connection error of communication cable (PQ)
between indoor and outdoor units
2. Abnormal No. of connected indoor units
3. Wiring connection error of central management
remote controller
No
Yes
No
No
71
Operation cause
Modify communication cable.
Modify wiring of wire connector.
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