Desa 10542 installation manual Troubleshooting, Observed Problem Possible Cause Remedy

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TROUBLESHOOTING

WARNING: Turn off and unplug heater and let cool before servic- ing. Only a qualified service person should service and repair heater.

CAUTION: Never use a wire, needle, or similar object to clean ODS/pilot. This can damage ODS/pilot unit.

Note: All troubleshooting items are listed in order of operation.

OBSERVED PROBLEM POSSIBLE CAUSE

REMEDY

When ignitor button is pressed, there is no spark at ODS/pilot

1.Ignitor electrode positioned wrong

2.Ignitor electrode broken

3.Ignitor electrode not con- nected to ignitor cable

4.Ignitor cable pinched or wet

5.Broken ignitor cable

6.Bad piezo ignitor

1.Replace pilot assembly

2.Replace pilot assembly

3.Reconnect ignitor cable

4.Free ignitor cable if pinched by any metal or tubing. Keep ignitor cable dry

5.Replace ignitor cable

6.Replace piezo ignitor

When ignitor button is pressed, there is spark at ODS/pilot but no ignition

1.Gas supply turned off or equip- ment shutoff valve closed

2.Control knob not in PILOT position

3.Control knob not pressed in while in PILOT position

4.Air in gas lines when installed

5.Depleted gas supply (pro- pane/LP gas only)

6.ODS/pilot is clogged

7.Gas regulator setting is not correct

1.Turn on gas supply or open equipment shutoff valve

2.Turn control knob to PILOT position

3.Press in control knob while in PILOT position

4.Continue holding down con- trol knob. Repeat igniting op- eration until air is removed

5.Contact local propane/LP gas company

6.Clean ODS/pilot (see Cleaning and Maintenance, page 19) or replace ODS/pilot assembly

7.Replace gas regulator

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Contents What to do if YOU Smell GAS Table of Contents Safety Information Product Features Local CodesProduct Identification UnpackingAIR for Combustion Ventilation Providing Adequate VentilationUnusually Tight Construction Confined and Unconfined SpaceDetermining FRESH-AIR Flow for Heater Location Determining if You Have a Confined or Unconfined SpaceInstallation Ventilation AIRCheck GAS Type Ventilation Air From Inside BuildingInstallation Items Locating HeaterInstalling Heater to Wall 30,000 Btu/Hr Model 20,000 Btu/Hr Model10,000 Btu/Hr Model Attaching To Wall Anchor MethodInstalling Bottom Mounting Screws Mounting Base Feet to Floor Where required by local codeMounting Heater to Floor with Optional Floor KIT Placing Heater On Mounting BracketConnecting to GAS Supply Typical Inlet Pipe DiametersNatural Gas Propane/LPPressure Testing Heater GAS Connections Test Pressures Equal To or Less Than 1/2 Psig 3.5 kPaLighting Instructions Manual Control Models For Your Safety Read Before LightingOperating Heater Manual Lighting Procedure To Turn OFF GAS To ApplianceShutting Off Heater Shutting Off Burner Only pilot stays lit Thermostat Control Operation Burner Flame Pattern Inpecting HeaterPilot Flame Pattern Cleaning Maintenance ODS/PILOT and BurnerBurner Pilot AIR Inlet CabinetTroubleshooting Observed Problem Possible Cause RemedyReplace burner orifice See Cleaning and Mainte Gas leak. See Warning Statement aboveSpecifications 10548 10546 10542/1054410549 10547 10545 10543Service Hints Technical ServiceService Publications Replacement Parts Parts Under WarrantyIllustrated Parts Breakdown 10,000 BTU/HR Manual Control Models 10542Parts List 10,000 BTU/HR Manual Control Models19-1 19-2 19-113 10,000, 20,000, and 30,000 BTU/HR Termostat Models Accessories Equipment Shutoff Valve GA5010FAN Kits GA3210T Base KIT GA4550Parts Centrals Limited Warranty VENT-FREE Residential GAS Heaters Warranty InformationKeep this Warranty