Majestic · Gas fireplace

GREEN SOLID AC power on

Normal status DVBL7 Signature Command

What the display is showing

Green LED stays on steady when AC power is connected and healthy.

Applies to: 300DVBLN/PSC7, 400DVBLN/PSC7, 500DVBLN/PSC7 (Signature Command)

Other codes on the same units

1 RED / 2 sec (until reset) Pressure switch failure (power vent only)
1 RED-GREEN / 2 sec Pilot lockout - flame loss
2 BEEPS Double beep (confirmation)
2 RED Spark fail
2 RED / 10 sec No or low thermopile power
3 RED No sensor signal
GREEN FLASH 1/sec Learning mode
NO BEEP No beep after master switch ON

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Source: Majestic DVBL7 Series Installation and Operating Instructions, p. 41. Summarized in our own words; check the original manual for your 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.