Remedy: 1. Reinstall the controller and/or engine main firmware. 2. See the Note at the end of the SC table.
Code: 991
Description: Software performance error 2 Unexpected software error detected, which does not affect operation of the machine
Causes: The machine does not stop and the SC code is not displayed. The machine automatically recovers. However, the SC code is logged in the engine summary sheet (SMC).
Remedy:
Code: 992
Description: SC not defined SC that is not controlled in the system occurs
Causes: Defective system software
Remedy:
Code: 998
Description: Application start error No applications start within 60 seconds after the power is turned on.
Causes: Loose connection of RAM, DIMM and SD card in slot 1. Defective controller. Software problem.