Desa K42EN, K42EP installation manual Troubleshooting, Observed Problem Possible Cause Remedy

Page 27

TROUBLESHOOTING

27

TROUBLESHOOTING

Note: For additional help, visit DESA’s technical service web site at www.desatech.com.

Note: Beforetroubleshootingthesystem, make sure the gas shutoff valve is ON.

WARNING: Turn off heater

 

CAUTION: Never use a wire,

and let cool before servicing. Only

 

needle, or similar object to

a qualified service person should

 

clean pilot. This can damage

service and repair heater.

 

pilot unit.

 

 

 

The two most common causes of a malfunctioning gas appliance are:

1.Loose wiring connections

2.Construction debris clogging the pilot and/or gas control valve filter

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

Ignitor will not spark or pilot will not light

1.

No gas supply, or shutoff valve is OFF

1.

Check to see if you have gas supply and

 

 

 

 

that equipment shutoff valve is opened

 

2.

Air in gas line

2.

Repeat lighting procedure several times

 

 

 

 

to purge all air out of lines. If after re-

 

 

 

 

peated attempts appliance does not light,

 

 

 

 

call for qualified service and repair.

 

3.

Construction debris clogging pilot orifice

3.

Remove debris and dirt, inspect and

 

 

 

 

clean any other possible obstructions

 

4.

Low gas pressure

4.

Contact your gas supplier to check

 

 

 

 

pressure

 

5.

Kinked pilot line

5.

Have a qualified technician replace pi-

 

 

 

 

lot line

 

6.

Control valve knob is not opening

6.

Replace control valve (Refer to Replace-

 

 

 

 

ment Parts, page 29)

 

7.

No power to unit or the ignition module

7.

Check that main power is on and that all

 

 

or power transformer is bad

 

wire connections are made correctly to

 

 

 

 

the ignition model (see Wiring Diagram,

 

 

 

 

page 23). Check for 24 VAC at the sec-

 

 

 

 

ondary side of the transformer. If 24

 

 

 

 

VAC is present, and the module does not

 

 

 

 

oporate, have the module replaced oth-

 

 

 

 

erwise have the transformer replaced.

 

8.

Vent damper not fully open

8.

Open vent damper until fully locked in

 

 

 

 

OPEN position

 

 

 

 

 

Pilot will not stay lit

1.

Loose wiring on ignitor wire to ignition

1.

Check wiring connection. Refer to wir-

 

 

module and/or poor ground to ignition

 

ing diagram (see Wiring Diagram,

 

 

module

 

page 23) and/or check ground wire to

 

 

 

 

ignition module

 

2.

Pilot flame too low to sense

2.

Clean and adjust pilot burner and check

 

 

 

 

gas supply and inlet pressure to unit

 

 

 

Note: Have a qualified technician replace

 

 

 

pilot assembly if broken or corroded

 

 

 

 

 

No gas to burner, although wall switch and

1.

Wall switch wires defective or too long

1.

Check electrical connections

valve are set to the ON position

 

 

 

 

 

 

 

 

 

Frequent pilot outage

1.

Pilot flame may be too low, causing

1.

Clean and adjust pilot flame for maximum

 

 

safety pilot to “drop out”

 

flame impingement on thermopile

 

2.

Improper venting or excessive blockage

2.

Have the vent system inspected, includ-

 

 

 

 

ing the termination cap. Remove any

 

 

 

 

restriction or obstruction

For morevisit www..com

111922-01C

Image 27
Contents OWNER’S Operation Installation Manual For Your SafetyFor Your Safety What to do if YOU Smell GAS Safety Information Table of ContentsLocal Codes Product IdentificationProduct Features PRE-INSTALLATION PreparationLocation and Space Requirements Framing and Finishing ClearancesBalcony with Perpendicular Side Wall Location of Termination CAPInstallation Precautions Venting Installation InstructionsHorizontal Termination Installation Installation PlanningInstalling Siding Standoff Combustible Exterior Ground Floor Installation Horizontal Termination ConfigurationsCorner Installation Venting with Two 90 Elbows Flat Ceiling Installation Installation for Vertical TerminationVertical Termination Configurations Number Description High Altitude InstallationCheck GAS Type Fireplace InstallationInstalling Optional Blower Accessory Model BK InstallationBlower Model BKT Model BKT InstallationBlower Wiring Diagram Installing GAS Piping to Fireplace LocationChecking GAS Connections Connecting Fireplace to GAS SupplyPressure Testing Gas Supply Piping System Installation Items NeededPressure Testing Fireplace Gas Connections REMOVING/REPLACING Glass DoorRemoving Louver Panels Removing Glass Door Cleaning Glass DoorWall Switch Installation Installing LOGS, Lava Rock and Glowing EmbersOptional Remote Control Wiring DiagramTo Turn OFF GAS To Appliance For Your Safety Read Before LightingOperating Fireplace Lighting InstructionsBurner Flame Pattern Operating Optional Blower AccessoryPilot Assembly Inspecting BurnersLogs Cleaning MaintenanceGlass Door Pilot and BurnersObserved Problem Possible Cause Remedy TroubleshootingGas leak. See Warning statement at Parts Under Warranty Replacement Parts Service HintsTechnical Service SpecificationsModels Illustrated Parts BreakdownVK42N, VK42NH, VK42P, VK42PH Parts ListBurner Assembly for Models VK42EN, VK42ENH, VK42EP, VK42EPH Burner Assembly for Models VK42N, VK42NH, VK42P, VK42PH Accessories Owners Registration Form Postage Required 111922-01C Warranty Information