Fault Code Lookup

HVAC Sales Master
d0
Data not yet on network / no net data
This code typically points to
  • Furnace does not contain any shared data

Next checks to confirm
  1. Populate shared data set using memory card
  2. Use memory card for the specific model
  3. Insert memory card before turning power on
  4. Remove only after data is loaded and power is turned off

Escalation
Furnace fails to operate in communicating context until required shared data is present
Reset behavior
Error clears once data is loaded.
Urgent
Fix now
Source
DC96VC/DM96VC Service Instructions troubleshooting chart, pp.47-48