Sinclair SDV 6 Service Manual page 124

8.1.54 J43 - Phase current sample bias error
Error display
Error impact
Error trigger
Error recovery
Possible cause
Troubleshooting
Digital display
The faulty IDU stops. Other IDUs of the same system: operate normally.
ODU of the same system: operate normally.
When detecting that the current sample is 50% greater than 2.5 V
Automatic recovery
 The current sampling circuit of the fan drive board is damaged.
 The IDU main control board is damaged.
the fan drive board.
No
Replace the main control
board of the IDU
Note 1: Please observe the following rule when replacing the fan drive board: For units whose fan
drive board is welded onto the main control board, if either the fan drive board or main control
board becomes faulty, the whole control board has to be replaced.
Panel or display box
Spot check interface
J11
Replace
Yes
Is the fault
cleared?
Display position
Wired controller
Error code is not
query displayed
Replace the fan drive
board (1)
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