Error type 0: Run the short test sequences first. If every tests passes, run the long test sequence. Refer to each appropriate test description and follow its recommended repair procedures.
Error Type 1: the Emergency Transfer switch located on the Processor media module is set to the manual ON position up. When the Emergency Transfer switch is in this position, a Major alarm in generated.
Error Type 257: the Emergency Transfer switch located on the Processor circuit pack is set to the manual OFF position down. When the Emergency Transfer switch is in this position, a Warning alarm is generated.