Service Call 622-691
D255/D256/M281/M282 6-48 SM
SC No. Type Error Name/Error Condition/Major Cause/Solution
There is no DESS module in the machine (models on which
the function is optional).
There is no expanded authentication module in the
machine.
The SD Card or the file of the expanded authentication
module is broken
Set a working SD Card/expanded authentication file.
Install the DESS module.
In the SSP Mode, set SP5-401-160 to “0”.
In the SSP Mode, set SP5-401-161 to “0”.
Replace the NVRAM.
SC No. Type Error Name/Error Condition/Major Cause/Solution
SC665-02 D BiCU – IOB Connection Error
FFC connection error (connector disconnected) between BiCU
and IOB is detected during the startup operation of the engine
(when the main power is turned on or when the machine returns
from energy save mode)
FFC defective or disconnected
BiCU defective
IOB defective
1. Turn the main power OFF/ON.
2. Reconnect the FFC between BiCU and IOB.
3. Replace the FFC between BiCU and IOB.
4. Replace the BiCU.
5. Replace the IOB.
Rev. 09/15/2016