Desa CGB35P, CGB50P installation manual TROUBLE- Shooting, Observed Possible Remedy Problem Cause

Page 27

TROUBLE- SHOOTING

Continued

OBSERVED

POSSIBLE

 

 

 

REMEDY

 

 

 

 

 

 

 

 

PROBLEM

CAUSE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pilot lights but flame

1. Manual shutoff

valve

1.

Fully open manual shut-

 

goes out when

 

not fully open.

 

 

 

off valve.

 

 

 

 

 

 

 

 

control knob is

2.

Control knob not fully

2.

Press

in control knob

 

released.

 

pressed in.

 

 

 

 

fully.

 

 

 

 

 

 

 

 

 

 

3.

Control

knob

not

3.

After pilot lights, keep

 

 

 

pressed in long enough.

 

control knob pressed in

 

 

 

 

 

 

 

 

 

30 seconds.

 

 

 

 

 

 

 

 

 

4.

Safety interlock system

4.

Wait

one

minute

 

for

 

 

 

has been triggered.

 

 

safety interlock system

 

 

 

 

 

 

 

 

 

to reset. Repeat ignition.

 

 

5.

Thermocouple connec-

5.

Hand tighten until snug,

 

 

 

tion

loose at control

 

then tighten

1/4

turn

 

 

 

valve.

 

 

 

 

more.

 

 

 

 

 

 

 

 

 

 

6.

Pilot flame not touching

6.

A) Contact

qualified

 

 

 

thermocouple,

which

 

service person to prop-

 

 

 

allows thermocouple to

 

erly adjust pilot flame.

 

 

 

cool,

causing

pilot

 

B) Contact local pro-

 

 

 

flame to go out. This

 

pane gas company.

 

 

 

problem

could

be

 

C) Clean pilot (see

 

 

 

 

 

 

 

caused by any or all of

 

Cleaning and Mainte-

 

 

 

the following:

 

 

 

nance, page 25) or

 

 

 

 

 

 

 

A) Improperly adjusted

 

replace pilot assembly.

 

 

 

pilot flame

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B) Low gas pressure

 

 

 

 

 

 

 

 

 

 

 

 

 

C) Dirty or partially

 

 

 

 

 

 

 

 

 

 

 

 

 

clogged pilot

 

 

7.

Replace thermocouple.

 

 

7.

Thermocouple

dam-

 

 

 

aged.

 

 

 

 

8.

Replace control valve.

 

 

8.

Control valve damaged.

 

 

 

 

 

 

 

 

 

Burner does not light

1. Safety interlock system

1.

Fully

depress

control

 

after pilot is lit.

 

has been inadvertently

 

knob

in any

 

position

 

 

 

triggered.

 

 

 

 

other than pilot and re-

 

 

 

 

 

 

 

 

 

lease. Wait one minute

 

 

 

 

 

 

 

 

 

for safety interlock sys-

 

 

 

 

 

 

 

 

 

tem to reset. Repeat igni-

 

 

2.

Burner

orifice

is

2.

tion.

 

 

 

 

 

 

 

 

 

 

Clean burner (see Clean-

 

 

 

clogged.

 

 

 

 

ing and Maintenance,

 

 

 

 

 

 

 

 

 

page

25)

or

replace

 

 

3.

Burner orifice diameter

 

burner orifice.

 

 

 

 

 

 

 

 

3.

Replace burner orifice.

 

 

 

is too small.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4.

Inlet gas pressure is too

4.

Contact local

propane

 

 

 

low.

 

 

 

 

 

gas company.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Delayed ignition of

1. Manifold pressure is too

1.

Contact local

propane

 

burner.

 

low.

 

 

 

 

 

gas company.

 

 

 

 

 

 

 

 

2.

Burner

orifice

is

2.

Clean

burner

(see

 

 

 

clogged.

 

 

 

 

Cleaning and Mainte-

 

 

 

 

 

 

 

 

 

nance, page 25 or re-

 

 

 

 

 

 

 

 

 

place burner orifice.

 

 

 

 

 

 

 

 

 

 

Continued

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

27

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100352

Image 27
Contents OWNER’S Operation and Installation Manual For Your SafetyWhat to do if YOU Smell GAS Contents Carbon monoxide poisoning may lead to death Safety InformationSafety Information Product Identification Local Codes Unpacking Product Features Installation ItemsCheck GAS Type Heater Clearances Locating HeaterVenting Heater Do not vent heater in any of the following ways see Figure Venting HeaterVenting Heater Proper Size Vent External Regulator with Vent Pointing Down Connecting to GAS SupplyGas Connection Checking GAS Connections Pressure Testing Gas Supply Piping SystemRemoving Lower Front Access Panel Installing Glass PanelInserting Glass Panels Fresh AIR for Combustion and Ventilation Draft Hood Spillage Test Determining FRESH-AIR Flow for Heater LocationVentilation Air from Outdoors Example 2 Locating Heater in Confined Closed Area For Your Safety Read Before Lighting Operating HeaterLighting Instructions Viewing Pilot Shutting Off Burner Only pilot stays lit Manual Lighting ProcedureTo Turn OFF GAS to Appliance Shutting Off HeaterInspecting Pilot and Burner Flame Pilot Flame PatternBurner Flame Pattern Correct Burner Flame Pattern Cleaning and Maintenance Observed Possible Problem Cause Remedy Trouble ShootingTROUBLE- Shooting Observed Possible Remedy Problem CauseStat bulb satisfied Statement at top Gas leak. See WarningRemoving Control Valve and Burner Tube Service ProceduresRemoving Burner Orifice Location 35,000 BTU/Hr Burner Shown Changing Burner OrificeModel Technical ServiceService Hints 35,000 BTU/HrOrdering Replacement Parts Centrals Parts Under WarrantyParts Not Under Warranty Valve GA5010 AccessoriesIllustrated Parts List QTY Cabinet Assembly 100352 International Warranty Information