SOF
Thermo King
Critical

Microprocessor Software Failure (DSR)

DSR microprocessor reported an internal software failure.

Possible causes

  • Corrupt firmware
  • Voltage spike or brownout
  • Internal microprocessor fault
  • Incompatible software version

Recommended actions

  • Power-cycle the controller
  • Reload or update firmware
  • Check battery voltage stability
  • Replace controller if persistent

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