HVACopediaMajestic · Gas fireplace troubleshooting
Millivolt: frequent pilot outages
What is going on
The pilot goes out repeatedly.
Likely causes
- Pilot flame too high or too low so the safety drops out.
Check in this order
- Clean the pilot
- Adjust the flame for full contact on the thermocouple
Applies to: 400DVBLN/PV7, 500DVBLN/PV7 (millivolt)
More gas fireplace guides
Take it to the job
All guides, error codes and tips work offline in the HVACopedia app.
Source: Majestic DVBL7 Series Installation and Operating Instructions, p. 47. Written in our own words; check the manual for your exact model.
For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.