Troubleshooting - Napoleon Knightsbridge GDS60-1N Manuel D'installation

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WARNING

•

Always light the pilot whether for the ﬁ rst time or if the gas supply has run out, with the glass door open or

removed.

•

Turn off gas and electrical power before servicing the appliance.

•

Appliance may be hot. Do not service until appliance has cooled.

•

Do not use abrasive cleaners

symptom

Pilot will not light.

Wiring.

Makes noise with no

spark at pilot burner.

Loose connection.

IGNITOR

(SPARK)

Module.

SENSOR

Ignitor spark gap is incorrect.

Transformer.

PILOT

TUBE

Battery backup (if power is off).

A shorted or loose connection.

Improper switch wiring.

Module is not grounded.

Pilot sparks but will not

Gas supply.

light.

Out of propane gas.

Carbon is being

Air shutter has become blocked.

deposited on glass,

Flame is impinging on the glass,

logs, rocks, media or

logs, rocks, media or combus-

combustion chamber

tion chamber.

surfaces.

Continues to spark and

Short or loose connection in

pilot lights, but main

sensor rod.

burner will not light.

Poor ﬂ ame rectiﬁ cation or con-

taminated sensor rod.

Poor grounding between pilot

assembly and gas valve.

Damaged pilot or dirty sensor

rod.

problem

Verify the wire for the sensor and the wire for the ignitor are

connected to the correct terminals. (not reversed) on the moduke.

NOTE: Sensor has 3/16" (4.8mm) connection and ignitor has 1/8"

(3.2mm) connection.

Verify no loose connections, electrical shorts in the wiring or ground

out to any metal object.

Turn the ON / OFF switch to the "OFF" position. Remove the ignitor

wire from the module. Place the ON / OFF switch to the "ON" posi-

tion. Hold a grounded wire about 3/16" (4.8mm) away from the

ignitor (spark) terminal on the module. If no spark, the ignitor terminal

module must be replaced. If there is a spark, the ignitor terminal is

ﬁ ne. Inspect pilot assembly for a shorted wire or cracked insulator

around the electrode.

Spark gap the ignitor to the pilot should be 1/8" (3.2mm).

Verify the transformer is installed and plugged into the module.

Check voltage of the transformer under load at the spade

connections on the module with the ON / OFF switch in the "ON"

position. Acceptable readings of a good transformer are between 6.2

and 7.0 volts A.C.

Check batteries.

Remove and reinstall the wiring harness that plugs into the module.

Remove and verify continuity of each wire in wiring harness.

Troubleshoot the system with the simplest ON / OFF switch.

Verify the valve and pilot assemblies are properly grounded to the

metal chassis of the appliance or log set.

Verify that the incoming gas line and ball valve is "Open". Verify

that the inlet pressure reading is within the acceptable limits. Inlet

pressures must not exceed 14" w.c. (34mb).

Fill the tank.

Ensure air shutter opening is free of lint or other obstructions.

Check that the glass, logs, rocks or media are correctly positioned.

Too much glass around the burner can cause carboning.

Open air shutter to increase primary air.

Check the input rate: check the manifold pressure and oriﬁ ce size as

speciﬁ ed by the rating plate values.

Check that the door gasketing is not broken or missing and that the

seal is tight.

Check that both vent liners are free of holes and well sealed at all

joints.

Check that the minimum rise per foot has been adhered to for any

horizontal venting.

Verify all connections. Verify the connections from the pilot assembly

are tight; also verify these connections are not grounding out to any

metal.

Verify the ﬂ ame is engulﬁ ng the sensor rod. This will increase the

ﬂ ame rectiﬁ cation. Verify correct pilot oriﬁ ce is installed and inlet

gas speciﬁ cations to manual. (Remember, the ﬂ ame carries the

recitiﬁ cation current, not the gas. If the ﬂ ame lifts from the pilot hood,

the circuit is broken. A wrong oriﬁ ce or too high of an inlet pressure

can cause the pilot ﬂ ame to lift). The sensor rod may need cleaning.

Verify that the wire harness is ﬁ rmly connected to the module. Verify

that the ceramic insulator around the sensor rod is not cracked,

damaged, or loose. Verify the connection from the sensor rod to the

sensor wire.

Clean sensor rod with a ﬁ ne steel wool to remove any contamination

that may have accumulated on the sensor rod. Verify continuity with

multimeter with ohms set at the lowest range.