HVACopedia

Majestic · technician tips

Majestic service menus, test modes and resets

10 tips for gas fireplace: access codes, button combinations, test modes and the resets you need at the appliance.

Jump to: Button combinations (3) · Service & test modes (2) · Reset & cancel (1) · Settings shortcuts (1) · Commissioning (3)

Button combinations

Key presses that open menus, show readouts or switch modes.

Learn a handheld remote

Gas fireplace · DVBL7 Signature Command

Pair a handheld transmitter with the receiver.

  1. Press the RF receiver button on the control board with a paper clip: one beep = on, two = off
  2. Hold OFF on the command center while turning the master switch ON
  3. Two beeps and the green LED flashes for 10 seconds
  4. Press OFF on the handheld in that time; two more beeps confirm

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

Source: Majestic DVBL7 Series Installation and Operating Instructions, p. 40. Written in our own words; check the manual for your exact model.

Switch between standing and intermittent pilot

Gas fireplace · DVBL7 Signature Command

Signature Command ships as intermittent pilot.

  1. Hold the ON button on the command center
  2. While holding, switch the master switch ON
  3. One beep = standing pilot, two beeps = intermittent pilot
  4. Wall switch (if fitted) must be ON

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

Source: Majestic DVBL7 Series Installation and Operating Instructions, p. 40. Written in our own words; check the manual for your exact model.

Turn the six-hour auto shutdown on or off

Gas fireplace · DVBL7 Signature Command

Control shuts the fireplace off six hours after the last command; on from the factory.

  1. With the master switch ON, press the ON and OFF buttons together
  2. One beep = enabled, two beeps = disabled

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

Source: Majestic DVBL7 Series Installation and Operating Instructions, p. 40. Written in our own words; check the manual for your exact model.

Service & test modes

Forced fan, low and high fire, test and diagnostic modes, error history and live data.

Check gas pressure at the valve

Gas fireplace · DVBL7

Reading inlet and outlet pressure on either control.

  1. Back the captured screw out 2 to 3 turns and push the gauge tubing over the test point
  2. Run the unit on high
  3. Millivolt: HI/LO knob at HI for maximum pressure
  4. After reading, tighten the screw firmly (do not over-torque) and leak-check the test point

Applies to: DVBL7 series

Source: Majestic DVBL7 Series Installation and Operating Instructions, p. 24, p. 32. Written in our own words; check the manual for your exact model.

Shut the standing pilot off temporarily

Gas fireplace · DVBL7 Signature Command

Summer shutdown or service on a standing pilot setup.

  1. Master switch ON, main burner off
  2. Hold the ON button for 3 seconds
  3. Pilot returns the next time the system is turned on

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

Source: Majestic DVBL7 Series Installation and Operating Instructions, p. 40. Written in our own words; check the manual for your exact model.

Reset & cancel

Clearing lockouts, service reminders and fault history; skipping purge or de-air programs.

Reset a pilot lockout

Gas fireplace · DVBL7 Signature Command

Clear the LED lockout on Signature Command.

  1. Turn the master switch on the command center OFF
  2. Turn it back ON and wait for the beep
  3. Press ON to try again

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

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

Settings shortcuts

Where the useful parameters live and what they are set to from the factory.

Memory-off command (resume last flame setting)

Gas fireplace · DVBL7 Signature Command

Turn off while keeping the last settings so the next start resumes them.

  1. Hold the OFF button for 3 seconds, or turn off the wall switch
  2. Next start returns to the saved flame height
  3. To re-set, change to the new settings and use memory-off again

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

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

Commissioning

Start-up and set-up steps that are easy to miss.

Millivolt: first lighting and gas purge

Gas fireplace · DVBL7 Millivolt

Commissioning sequence for a new millivolt unit.

  1. Open the main shutoff and purge the supply line through the inlet test point until gas arrives, then tighten it
  2. Soap-test the connection at the valve, the burner and the pilot
  3. Push in the knob, turn counterclockwise to PILOT, hold it and click the piezo until the pilot lights
  4. Hold a few seconds then release; repeat if the pilot drops
  5. Turn to ON with the burner switch on; main burner lights in under 4 seconds

Applies to: 400DVBLN/PV7, 500DVBLN/PV7 (millivolt)

Source: Majestic DVBL7 Series Installation and Operating Instructions, p. 29, p. 30, p. 31. Written in our own words; check the manual for your exact model.

Rock wool and first burn tips

Gas fireplace · DVBL7

Getting a good flame picture on a new install.

  1. Pull rock wool into dime-size bits and lay a single layer on the burner
  2. Light for 15 minutes and check; flame blue and only in the center means more rock wool in the center
  3. Do not use the whole bag; too much causes sooting
  4. Burn the first 10 hours with the blower off and windows open for the burn-off smell

Applies to: DVBL7 series

Source: Majestic DVBL7 Series Installation and Operating Instructions, p. 42, p. 44, p. 4. Written in our own words; check the manual for your exact model.

Test the optional thermostat blower

Gas fireplace · DVBL7 Millivolt

Quick check after installing the BLOTBLDV blower.

  1. Set the variable speed control to LOW
  2. Run the fireplace on high; blower should start within 10 minutes
  3. If it does not, shut down and let it cool, unplug the blower
  4. With a jeweler's screwdriver turn the white dial on the speed control 1/8 turn counterclockwise and retest

Applies to: 400DVBLN/PV7, 500DVBLN/PV7 (millivolt)

Source: Majestic DVBL7 Series Installation and Operating Instructions, p. 27. Written in our own words; check the manual for your exact model.

Related

Majestic error codes · Majestic parts

Same tips in your pocket

The HVACopedia app has these tips, every error code and the settings tables offline.

Open the app

For licensed technicians. Installer menus, test modes and access codes change settings that affect safety; only use them if you are trained on the appliance and understand the result. Gas, electrical and refrigerant work must be done by a qualified, licensed person, and the manufacturer’s manual for the exact model and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.