26220
Carrier Transicold
Critical

EES Back Pressure Exceeded

Exhaust pressure has exceeded the absolute safety limit for engine operation.

Possible causes

  • DPF filter completely clogged
  • Ice or frozen water in exhaust
  • Total mechanical obstruction
  • Critical pressure sensor failure

Recommended actions

  • Do not operate engine
  • Inspect for muffler restriction
  • Remove DPF for visual inspection
  • Verify sensor with external gauge

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