16 Troubleshooting

With proper installation, operation, and maintenance your gas appliance will provide years of trouble-free service. If you do experience a problem, this troubleshooting guide will assist a qualified service technician in the diagnosis of a problem and the corrective action to be taken. This troubleshooting guide can only be used by a qualified service technician. Con- tact your dealer to arrange a service call by a qualified service technician.

A. Intellifire Ignition System

Symptom

Possible Cause

Corrective Action

1. Pilot won’t light. The

A. Incorrect wiring.

Verify “S” wire (white) for sensor and “I” wire (orange) for ignitor

ignitor/module makes

 

are connected to correct terminals on module and pilot assembly.

noise, but no spark.

 

 

Note: Red LED may flash

B. Loose connections or electrical

Verify no loose connections or electrical shorts in wiring from

shorts in the wiring.

module to pilot assembly. Verify connections underneath pilot

twice on the Module.

 

assembly are tight; also verify connections are not grounding

 

 

 

 

out to metal chassis, pilot burner, pilot enclosure, mesh screen if

 

 

present, or any other metal object.

 

 

 

 

C. Ignitor gap is too large.

Verify gap of igniter to right side of pilot hood. The gap should be

 

 

approximately .17 inch or 1/8 in. (3 mm).

 

D. Module.

Turn ON/OFF rocker switch or remote to OFF position. Remove

 

 

ignitor wire “I” from module. Place a grounded wire about 3/16 in.

 

 

(5 mm) away from “I” terminal on module. Place ON/OFF rocker

 

 

switch or remote in ON position. If there is no spark at “I” terminal

 

 

module must be replaced. If there is a spark at “I” terminal, module

 

 

is fine. Inspect pilot assembly for shorted sparker wire or cracked

 

 

insulator around electrode. Replace pilot if necessary.

 

 

 

2. Pilot won’t light, there is no

A. No power or power supply

Verify that power supply is installed and plugged into module

noise or spark.

installed incorrectly.

and/or batteries are installed in the battery pack. Check voltage of

 

 

power supply under load at spade connection on module with ON/

Note: Red LED may flash

 

OFF switch in ON position. Acceptable readings of a good power

twice on the Module.

 

supply are between 4 and 7.5 volts AC.

 

 

 

 

B. A shorted or loose connection

Remove and reinstall the wiring harness that plugs into module.

 

in wiring configuration or wiring

Verify there is a tight fit. Verify pilot assembly wiring to module.

 

harness.

Remove and verify continuity of each wire in wiring harness.

 

 

Replace any damaged components.

 

C. Improper wall switch wiring.

Verify that 120 VAC power is “ON” to junction box.

 

 

 

 

D. Module not grounded.

Verify black ground wire from module wire harness is grounded to

 

 

metal chassis of appliance.

 

E. Module.

Turn ON/OFF rocker switch or wall switch to OFF position.

 

 

Remove ignitor wire “I” from module. Place ON/OFF rocker switch

 

 

or remote in ON position. If there is no spark at “I” terminal module

 

 

must be replaced. If there is a spark at “I” terminal, module is

 

 

fine. Inspect pilot assembly for shorted sparker wire or cracked

 

 

insulator around electrode.

 

 

 

3. Pilot won’t light, there is no

A. Fuel selector is not in the

Turn module selector switch to off.

noise or spark.

correct position.

Turn fuel to correct fuel type.

Red LED flashes once on

 

Turn module selector to switch or remote (if a remote is installed)

the module.

 

 

 

 

 

Heatilator • Evolution • 4065-114 Rev. o • 11/11

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Heatiator NEVO4236I NEVO3630I owner manual Troubleshooting, Intellifire Ignition System

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