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Innovative Hearth Products
DRT63STTYN Power-Vent Direct-Vent Fireplaces
TROUBLESHOOTING GUIDE: POWER VENT SYSTEM
Important: Service must be performed by a qualified installer, service agency, or your gas supplier.
BEFORE TROUBLESHOOTING THE UNIT:
1. Check whether there is power to the unit (fireplace).
2. Check whether there is gas to the unit (fireplace).
3. The igniter module in the fireplace is equipped with a lockout device that will put the unit into a lockout condition. Follow the steps in the chart
below to reset the control: Turn the Wall Receiver Switch to the OFF position, or turn the Remote Control Transmitter OFF.
4. If this is the first time the unit has been fired, check the unit wiring against the wiring diagram before performing any troubleshooting.
START
Power Vent Motor
No
Is Working?
Yes
No
Does The Pilot
Spark?
Yes
Yes
Pilot Burner
No
Lights?
Yes
No
Does Spark
Stop When Pilot
Lights?
Yes
Does Main Burner
No
Light?
Yes
System Runs
No
Continuously
Until Switched
Off?
56
Wall Receiver Switch "On"? Is There
120V Power To The Fireplace? Are All
Wiring Connections Tight? (Turn Off
Power Before Checking)
Is The Lead To The
Spark Electrode
Attached Or Arcing
To Ground? Is The
Electrode Cracked?
No
Replace Ignition Module
Is Pilot Gas Line
Yes
Blocked? Is Pilot
Orifice Blocked?
No
Replace Ignition Module
Does Pilot Flame
Yes
Is The Flame Rod Corroded?
Cover The Flame
Is The Pilot Hood Corroded?
Rod?
Is Flame Rod Insulator Cracked?
Is Wire To Flame Rod Damaged?
No
Check Pilot For Obstruction.
Check Gas Pressure.
Adjust Pilot Flame.
Yes
Is There 1V Power
At Terminal 1 (MV)
During Spark Cycle?
No
Replace Ignition Module
Is The Correct Size Of Orifice Restrictor Installed In The Power Vent?
Does The Pilot Flame Cover The Flame Rod?
Is The Sensor Wire In Good Condition?
Is There Continuity To Ground From The Pilot Burner?
Does Pressure Switch Open During Operation?
No
Replace Ignition Module
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Is There 120V Power
Yes
To The Motor?
No
No
Is The Pressure
Is There Blockage In The Vent?
Is There Water/Dirt In The Hose From
Switch Closed?
The Blower To The Pressure Switch?
Yes
Are the Hose Connections Loose?
Is The Hose Cracked?
Replace Control
Module
Replace Pilot
No
Are Wires To Valve
Is There Manifold Pressure?
Loose Or Corroded?
Yes
Yes
Replace Control Module
Yes
Replace Blower
Replace Control Module
No
WARNING: RISK OF SERIOUS PERSONAL
INJURY, DEATH, OR PROPERTY DAMAGE.
Never jump the pressure switch out of this
system.
No
Replace Ignition Module
Yes
No
Replace Gas Valve
No
Is Vent Partially Blocked?
Is There Water/Dirt In Hose To Pressure Switch?
Are Hose Connections Loose?
Is The Hose Cracked?
No
Does System Run
No
Continue?
Care and Operation
900358-00, 01/2018
Replace Pressure
Switch
Check Position Of
Pilot. Is Orifice
Blocked?
Replace Pressure Switch
Replace Ignition
Module
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Table of Contents
Troubleshooting
