Troubleshooting, Continued, Remedy | Desa CDCFPRA, CDCFNRA guide

OBSERVED PROBLEM POSSIBLE CAUSE

TROUBLESHOOTING

Continued

OBSERVED PROBLEM POSSIBLE CAUSE

REMEDY

ODS/pilot lights but flame goes out when control knob is released

1.Control knob not fully pressed in

2.Control knob not pressed in long enough

3.Safety interlock system has been triggered

4.Equipment shutoff valve not fully open

5.Pilot ﬂame not touching ther- mocouple, which allows ther- mocouple to cool, causing pilot flame to go out. This problem could be caused by one or both of the following:

A)Low gas pressure

B)Dirty or partially clogged ODS/pilot

6.Thermocouple connection loose at control valve

7.Thermocouple damaged

8.Control valve damaged

1.Press in control knob fully

2.After ODS/pilot lights, keep control knob pressed in 30 seconds

3.Wait one minute for safety in- terlock system to reset. Repeat ignition operation

4.Fully open equipment shutoff valve

5.A) Contact local natural or propane/LP gas company

B)Clean ODS/pilot (see Cleaning and Maintenance, page 26) or replace ODS/pilot assembly

6.Hand tighten until snug, then tighten 1/4 turn more

7.Replace pilot assembly

8.Replace control valve

Burner does not light after		1. Inlet gas pressure is too low		1.	Contact local natural or pro-
ODS/pilot is lit		2.	Burner oriﬁce is clogged		pane/LP gas company
		2.	Burner oriﬁce is clogged	2.	Clean burner (see Cleaning
					and Maintenance, page 26)
		3.	Thermopile leads disconnect-		or replace burner oriﬁce
		3.	Thermopile leads disconnect-	3.	Reconnect leads (see Wiring
			ed or improperly connected		Diagram, page 27)
		4.	Burners will not come on in	4.	Replace battery in transmitter
			remote position		and receiver

Delayed ignition of burner		1. Manifold pressure is too low		1.	Contact local natural or pro-
		2.	Burner oriﬁce is clogged		pane/LP gas company
		2.	Burner oriﬁce is clogged	2.	Clean burner (see Cleaning
					and Maintenance, page 26)
					or replace burner oriﬁce

Burner backﬁring during com-		1. Burner oriﬁce is clogged or		1.	Clean burner (see Cleaning
bustion			damaged		and Maintenance, page 26)
					or replace burner oriﬁce
		2.	Damaged burner	2.	Replace damaged burner
		3.	Gas regulator defective	3.	Replace gas regulator
		4.	Inlet gas pressure is too low	4.	Contact local natural or pro-
					pane/LP gas company

116658-01A

www.desatech.com

29

Image 29

Desa CDCFPRA, CDCFNRA installation manual Troubleshooting, Continued, Observed Problem Possible Cause, Remedy

Contents

WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance 116658-01A TABLE OF CONTENTS WARNING Any change to this ﬁreplace or its controls can be dangerous SAFETY INFORMATIONDANGER Carbon monoxide poisoning may lead to death See Accessories, page CONTROL ACCESSORIESOPTIONAL REMOTE Continued SAFETY PILOT diagrams or failure to use onlyWARNING Always have ﬁreplace. This prevents exces PROVIDING ADEQUATE VENTILATION b. weather stripping has been added on openable windows and doors andFigure 3 - Assembling Hood Unusually Tight Construction Determining if You Have a Conﬁned or Unconﬁned Space DETERMINING FRESH-AIR FLOW FOR FIREPLACE LOCATIONConﬁned and Unconﬁned Space in a recreational vehicle WARNING Never install the ﬁreplace in a bedroom or bathroomas a ﬁreplace insert in high trafﬁc areas in windy or drafty areas VENTILATION AIR Before installing ﬁreplace, make sure you have the items listed below INSTALLATION ITEMSexternal regulator supplied by installer, for propane/LP units only CHECK GAS TYPE locate ﬁreplace where moving vehicle will not hit it CAUTION If you install the ﬁreplace in a home garageBUILT-IN FIREPLACE INSTALLATION Figure 7 - Rough Opening for Installing in Wall 4. If you have not installed hood, follow instruc- tions on page Note A qualiﬁed installer should make all electri- cal connections7. Bend four nailing ﬂanges on outer casing with pliers see Figure Figure 9 - Attaching Fireplace to Wall Studs remove the mantel OPTIONAL MANTEL INSTALLATIONof the following raise the mantel to an accept- able height Figure 13 - Assembling Brass Trim INSTALLING OPTIONAL BLOWER ACCESSORY GA3450TAFigure 12 - Attaching Brass Trim to Fireplace CAUTION Verify proper op- eration after servicing Installing Blower AccessoryScrew Figure 16 - Installing Switch Plate to Remote/Blower Bracket Figure 18 - Wiring Diagram For Blower Accessory Built-In Installation For Built-In InstallationFigure 17 - Installing Blower Bracket Assembly CONNECTING TO GAS SUPPLY WARNING Test all gas piping installing or servicing. Correctand connections, internal and external to unit, for leaks after PRESSURE TESTING FIREPLACE GAS CONNECTIONS PRESSURE TESTING GAS SUPPLY PIPING SYSTEMFigure 24 - Checking Gas Joints Propane/LP Only Figure 25 - Checking Gas Joints Natural Gas Only Figure 26 - Disconnecting Wires From Control Valve OPTIONAL WIRELESS HAND-HELD REMOTE CONTROL ACCESSORIESFigure 28 - Installing Remote Receiver OPTIONAL WALL MOUNTED THERMOSTAT - GWMT1 Figure 30 - Connecting Wire Terminals 7. Install the base onto the wall with the provided screws“W” and “R” OPTIONAL WALL SWITCH - GWMS2 1. Remove jumper wire from control valve see Figure 26, page Figure 35 - Installing Log Figure 33 - Installing Rear Brick LinerFigure 36 - Installing Screen Figure 34 - Installing Side Brick Liners LIGHTING INSTRUCTIONS FOR YOUR SAFETY READ BEFORE LIGHTINGOPERATING FIREPLACE 2. If Using Optional Hand-Held Remote MANUAL LIGHTING PROCEDURETO TURN OFF GAS TO APPLIANCE OPTIONAL HAND-HELD REMOTE OPERATION Control Knob and Flame Adjustment Knob for Remote Operation Figure 40 - Setting the Selector Switch3. Press the POWER and LOCK buttons together to turn off the ﬁreplace 4. Press the POWER and LOCK buttons together to turn off the ﬁreplace see Troubleshooting, page OPTIONAL GWMS2 WALL MOUNTED SWITCHOPTIONAL GWMT1 WALL MOUNTED THERMOSTAT PILOT FLAME PATTERN CONTINUED WARNING Turn off ﬁreplace and let cool before cleaningBURNER FLAME PATTERN BURNER INJECTOR HOLDER AND PILOT AIR INLET HOLE CABINET LOG SETFigure 48 - Pilot Inlet Air Hole Propane/LP Gas Figure 49 - Pilot Inlet Air Hole Natural Gas OBSERVED PROBLEM TROUBLESHOOTINGPOSSIBLE CAUSE REMEDY OBSERVED PROBLEM POSSIBLE CAUSE see Cleaning and Mainte If you cannot reach your gas supplier, call the ﬁre department WARNING If you smell gas Shut off gas supplyDo not try to light any appliance Remote-Ready Models SPECIFICATIONSCDCFPRA CDCFNRA SERVICE HINTS REPLACEMENT PARTSTECHNICAL SERVICE PARTS UNDER WARRANTY BREAKDOWN PARTSILLUSTRATED MODELS FIREBOX CDCFNRA FIREBOX MODELS CDCFNRA, CDCFPRA PARTS LIST Gas Only ILLUSTRATED PARTS BREAKDOWNNatural REMOTE-READY MODELS THERMOSTAT-CONTROLLED BLOWER KIT GA3450TA NOTICE All accessories may not be available for all ﬁreplace modelsEQUIPMENT SHUTOFF VALVE GA5010 BRASS TRIM KIT - GA6095 WALL-MOUNT THERMOSTAT SWITCH GWMT1 CLEANING KIT - GCK/CCKWALL-MOUNT ON/OFF SWITCH GWMS2 RECEIVER AND HAND-HELD REMOTE CONTROL KIT - HRC100 AND HRC1011 116658 2701 Industrial Drive P.O. BoxNOT A UPC 116658-01 Rev. A 04/05