Toshiba HFC R407C - Page 52

52
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.
Is the wiring connection of
communication cables to X,Y normal?
Check connection of wiring.
j
h
No
Ye s
Is [98] displayed only on the
central controller?
No
Ye s
Check duplication of network addresses.
h
Is there duplication of
network addresses?
Check indoor PC board.
If defective, replace.
No
Ye s
j
j
Check the central controller.
If defective, replace.
Is [97] displayed only on the
central controller?
Check No. of connected central
controllers to 1 unit.
j
h
Ye s
No
j