Monessen Hearth HDV500NV/PV manual Troubleshooting, Signature Command System

TROUBLESHOOTING HDV Series Direct Vent Gas Fireplace

SIGNATURE COMMAND SYSTEM

OPERATIONFAULT

	DIAGNOSIS		ACTION
	Using
		Battery polarity wrong?	Re-install batteries
Make sure	battery?

Install batteries and/or plug in the AC board

Flip the master switch (rocker switch) to the ON position

After the beep

Press the ON button on the Command Center

No beep in about 8 seconds

No beep

or

no sound from the valve indicating pilot solenoid open

No sparking on the pilot

Sparking doesn’t continue

Pilot doesn’t light

Main burner doesn’t light

	Command	Battery voltage low?		Change batteries
A	Center and
	the control
	board are
	connected by
	a 2 feet or 15	AC plug is plugged to		Plug the AC plug to
	feet cable
		AC mains?		AC mains
		The 5-pin connector on		Repair or replace the
		the AC board broken or
				AC Board
		bent?
		LED on the Command		Replace the AC Board
		Center does not show
		solid green?
	Check NG/LP	Check valve	Check power	Replace the Control
B	conversion cap	connections	supply (go	Board or
			through A )
	and control			Command Center
	board
	connections
C	Check pilot	Check	Go through	Sparking is happening
				elsewhere (under the
	connections	grounding	B
				pilot), re-install/replace
				the pilot
D	The Control Board is having interference from the			Re-install the Control
				Board, move it around
	surrounding metal (Ground)			or change the
				Control Board
E				Sparking is not in the
	Check gas supply	Go through C		path of gas flow, adjust
				sparker position or
				replace the pilot
F	Go through E	The sensor on the pilot		Adjust sensor position
		is not in the flame
				or replace the pilot
		(pilot flame too small)?

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