Troubleshooting (Honeywell Electronic Ignitor) - Majestic fireplaces 7PDVS Homeowner's Installation And Operating Manual

DV Power Vent System
SIT 822 Valve with Honeywell Electronic Ignitor and Synetek Power Vent Board
Service must be performed by a qualified installer, service agency or your gas supplier.
BEFORE COMMENCING TO TROUBLE SHOOT THE UNIT:
1. Check if there is power to the unit (fireplace) and to the power vent box.
2. Check if there is gas to the unit (fireplace).
3. The ignition control in the fireplace is equipped with a lockout device which will put the unit into a lockout condition after three attempts to ignite the pilot.
Follow the steps in the chart below to reset the control: Turn the On/Off switch to the off position, or turn the thermostat to the off position.
Wait 10 seconds and then turn to the "on" position.
4. If this is the first time that the unit has been fired, check the wiring of the unit against the wiring diagram before commencing troubleshooting.
START
ON/OFF switch or wall thermostat "ON"?
Is there 120V power to the fireplace and power vent?
NO
Are all wiring connections tight? (Turn off Power before checking)
Power vent motor
is working?
YES Is there 24V at the power vent circuit
board at the 24VAC Hot Terminal?
Is there 24V from the transformer?
Does the Pilot NO
Is there 24V power at terminal
Spark?
six (24V) at the ignition board?
YES
Is the lead to the spark electrode
attached or arcing to ground?
Is the electrode cracked?
Replace Ignition Module
NO
Pilot Burner Is there 24V power at terminal
3 (PV) during spark cycle?
Lights?
YES
Replace Ignition Module
NO
Does Spark
Does pilot flame cover
Stop When
the flame rod?
Pilot Lights?
YES
Check Pilot for obstruction
Check Gas Pressure
Adjust Pilot Flame
Is there 24V power at terminal
Does Main
NO
1 (MV) during spark cycle?
Burner Light?
YES
Replace Ignition Module
Is the correct size of orifice restrictor installed in the power vent?
System Runs
Does the pilot flame covers the flame rod?
NO
Continuously
Is the flame rod wire in good condition?
Until Switched
Is there continuity to ground from the pilot burner?
Off?
Does pressure switch open during operation?
Does 24V power get interupted at terminal six (24V) at the ignition module?
Replace ignition module
18
Troubleshooting the Power Vent System
YES
NO
NO
Replace Transformer
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
NO
YES
Is there 120V Power to the motor?
Replace Power Vent Circuit Board
YES
Check Wiring
NO
Is the Pressure
Is there a blockage in the vent?
Switch Closed?
Is there water/dirt in the hose from
blower to the pressure switch?
YES
Are hose connections loose?
Replace Power
Is the hose cracked?
Vent Circuit Board
Is pilot gas line blocked?
Is pilot orifice blocked?
Are wires to valve loose
or corroded?
Is flame rod corroded?
Is pilot hood corroded?
Is flame rod insulator cracked?
Is wire to flame rod damaged?
NO
Are wires to valve
loose or corroded?
YES
YES
WARNING: Never jump the pressure switch out of this
system. Property damage, injury or death may result.
YES
NO
NO
Replace Gas Valve
NO
Replace Ignition Module
Is there manifold pressure?
YES
NO
Replace Gas Valve
Is vent partially blocked?
Is there water/dirt in hose to
pressure switch?
Are hose connections loose?
Is the hose cracked?
Replace power vent circuit board
Replace
Blower
Replace
NO
Pressure
Switch
Check
position
of pilot.
Is orifice
blocked?
Replace
NO
Pressure
Switch
10003262