Desa Tech CGD3018N, CGD3924N, CGD3930N installation manual TROUBLE- Shooting, Maintenance

Page 24

TROUBLE- SHOOTING

OBSERVED

POSSIBLE

 

PROBLEM

CAUSE

REMEDY

 

 

 

Continued

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

1.Gas supply turned off or manual 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.ODS/pilot is clogged

6.Gas regulator setting is not correct

1.Turn on gas supply or open manual shutoff valve

2.Turn control knob to PILOT position

3.Press in control knob while in PILOT position

4.Continue holding down control knob. Repeat igniting operation until air is removed

5.Clean ODS/pilot (see Cleaning and Mainte- nance, page 23) or replace ODS/pilot assembly

6.Replace gas regulator

24

ODS/pilot lights but

1.

Control knob not fully

1.

Press in control knob

flame goes out when

 

pressed in

 

fully

control knob is

2.

Control knob not

2.

After ODS/pilot lights,

released

 

pressed in long enough

 

keep control knob

 

 

 

 

pressed in 30 seconds

 

3.

Manual shutoff valve

3.

Fully open manual shut-

 

 

not fully open

 

off valve

 

4.

Pilot flame not touching

4.

A) Contact local natural

 

 

thermocouple, which

 

gas company

 

 

allows thermocouple to

 

 

 

 

cool, causing pilot flame

 

B) Clean ODS/pilot

 

 

to go out. This problem

 

(see Cleaning and

 

 

could be caused by one

 

Maintenance, page 23)

 

 

or both of the following:

 

or replace ODS/pilot

 

 

A) Low gas pressure

 

assembly

 

 

B) Dirty or partially

 

 

 

 

clogged ODS/pilot

 

 

 

5.

Thermocouple connec-

5.

Hand tighten until snug,

 

 

tion loose at control

 

then tighten 1/4 turn

 

 

valve

 

more

 

6.

Thermocouple damaged

6.

Replace thermocouple

 

7.

Control valve damaged

7.

Replace control valve

102986

Image 24
Contents OWNER’S Operation and Installation Manual What to do if YOU Smell GASContents Safety Information Burner patterns can cause sooting Local Codes Unpacking Product Features Safety DeviceOperation Piezo Ignition SystemAIR for VentilationProviding Adequate Ventilation AIR for Combustion and Ventilation Determining AIR Flow for Heater LocationDetermining if You Have a Confined or Unconfined Space Ventilation AIR Tion and ventilation air by one of the methods describedVentilation Air From Inside Building Ventilation Air From OutdoorsInstalling Check GAS TypeMinimum Fireplace Clearance LOG Sizing RequirementsMinimum Wall and Ceiling Clearances see Figure Minimum Non Combustible Material Clearances Installing Minimum Non Combustible Material Clearances Log SetFloor Clearances Installing Damper Clamp Accessory for Vented Operation Attaching Damper ClampInstalling Heater Base Assembly Installation Items NeededMounting Bracket Connecting to GAS Supply Checking GAS Connections Gas ConnectionPressure Testing Heater Gas Connections Test Pressures Equal To or Less Than 1/2 PsigInstalling Installing LogsOperating Heater Heater OperatingOperating Heater Inspecting Burners Pilot Flame PatternCleaning MaintenanceTrouble Shooting ODS/PILOT and BurnerMaintenance, TROUBLE- ShootingRefer to Air for Com Gas leak. See Warning Technical Service Service HintsModel Parts Under Warranty Parts Not Under WarrantyParts Central Accessories Valve GA5010Hood GA6050 Hood GA6052Illustrated Parts Breakdown Parts List CGD3018N CGD3924N CGD3930NWarranty Information Keep this Warranty