Toshiba HFCR407C - [98] Central Management Address Set-Up Fault

94
Is the wiring connection of
communication cables to X,Y normal?
Check connection of wiring.


No
Yes
Is [98] displayed only on the
central controller?
No
Yes
Check communication cable connection
to slave units of group operation.
Check duplication of network addresses.


Is connection of CN602
connector on interface PC
board of the master outdoor
unit normal?
Is there duplication of
network addresses?
Check indoor PC board.
If defective, replace.
No
No
Yes
Yes


Check the central controller.
If defective, replace.
Is [97] displayed only on the
central controller?
Check No. of connected central
controllers to 1 unit.


Yes
No
Troubleshooting
Diagnostic procedure for check code
Check code Operation cause
[98] 1. Miswiring of XY communication cables
Central management address set-up fault 2. Duplicated network addresses
3. Indoor PC board error, central controller error


14