Majestic · Gas fireplace

GREEN FLASH 1/sec Learning mode

Normal status DVBL7 Signature Command

What the display is showing

Green LED flashes once per second for 10 seconds while the control waits for a handheld transmitter to be learned.

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

What to do

Press the OFF button on the handheld within the 10 seconds
Two beeps confirm success

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 SOLID AC power on
NO BEEP No beep after master switch ON

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Source: Majestic DVBL7 Series Installation and Operating Instructions, p. 40, 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.