27200
Carrier Transicold
Critical

No Comm from Micro to Optional Comm Module

Communication error with the optional module (e.g., satellite or telematics).

Possible causes

  • Optional module disconnected
  • External module hardware failure
  • Bus address conflict
  • Severed wiring harness

Recommended actions

  • Physically inspect optional module
  • Verify data connections
  • Ensure module power supply
  • Verify configuration in options menu

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