HVAC Sales Master

Fault Code Lookup

HVAC Sales Master
ERR159.00
Unit Bus fault / AFC COMM
This code typically points to
  • Wire harness between AFC and distribution board
  • AFC communication error
Next checks to confirm
  1. Inspect harness between AFC and distribution board
  2. Verify AFC communications
Escalation
User Display
Reset behavior
Clears when AFC communication restored.
Service Soon
Schedule repair
Source
Trane Hyperion *AM8/TAM8 Field Reference Data, p.22
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