Sinclair SDV 6 Service Manual page 116

8.1.46 U12 - Capacity(HP) code not set
Error display
1) The faulty IDU stops running.
2) Other IDUs of the same system:
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Error impact
ODU of the same system:
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Error trigger When detecting that the capacity(HP) code for IDU main control board has not been set
Error recovery Automatic recovery
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Possible cause
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Troubleshooting
Note 1: For specialized tooling and instructions, please contact your local dealer or technical support
personnel.
Digital display
If the address for the faulty IDU has been set, other IDUs will operate normally.
If the address of the faulty IDU was not set, other IDUs will display error code "A51"-ODU fault.
If the address for the faulty IDU has been set, the ODU will operate normally.
If the address of the faulty IDU was not set, the ODU will display the error code "C26" -number of IDUs
reduced.
The capacity(HP) code has not been set after replacing the IDU main control board.
The new IDU main control board is damaged.
Use the dedicated tooling
(1) to set the
capacity(HP) code for the
main control board of
IDU, and power on the
Is the fault cleared?
Fault cleared
U12
unit again
No
Yes
Display position
Panel, display box, and wired controller
Replace the main control
board of the IDU
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