28

TROUBLE- SHOOTING

Continued

 

OBSERVED

POSSIBLE

 

 

 

 

 

 

 

 

PROBLEM

CAUSE

 

 

REMEDY

 

 

 

 

 

 

 

 

 

 

Pilot lights but flame

1.

Manual shutoff valve

1.

Fully open manual

 

goes out when

 

not fully open.

 

 

shut-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

 

 

 

tion loose at control

 

snug, then tighten 1/4

 

 

 

valve.

 

 

 

turn more.

 

 

 

 

6.

Pilot flame not touching

6.

A) Contact qualified

 

 

 

thermocouple, which

 

service person to

 

 

 

allows thermocouple to

 

properly adjust pilot

 

 

 

cool, causing

pilot

 

flame.

 

 

 

 

 

 

flame to go out. This

 

B) Contact local

 

 

 

problem

could

be

 

propane gas company.

 

 

 

caused by any or all of

 

C) Clean pilot (see

 

 

 

the following:

 

 

Cleaning and Mainte-

 

 

 

A) Improperly ad-

 

nance, page 26) or

 

 

 

justed pilot flame

 

replace pilot assembly.

 

 

 

B) Low gas pressure

 

 

 

 

 

 

 

 

C) Dirty or partially

 

 

 

 

 

 

 

 

clogged pilot

 

 

 

 

 

 

 

 

7.

Thermocouple dam-

7.

Replace thermocouple.

 

 

 

aged.

 

 

 

 

 

 

 

 

 

8.

Control valve damaged.

8.

Replace control valve.

 

 

 

 

 

 

 

 

 

 

 

Burner does not light

1.

Safety interlock

 

1.

Fully

depress

control

 

after pilot is lit.

 

system has been

 

 

knob

in any

position

 

 

 

inadvertently trig-

 

 

other than pilot. Wait one

 

 

 

gered.

 

 

 

minute for safety inter-

 

 

 

 

 

 

 

lock system to reset. Re-

 

 

 

 

 

 

 

peat ignition.

 

 

 

 

2.

Burner orifice is

 

2.

Clean burner (see

 

 

 

clogged.

 

 

 

Cleaning and Mainte-

 

 

 

 

 

 

 

nance, page 26) or

 

 

 

 

 

 

 

replace burner orifice

 

 

 

 

 

 

 

(see Changing Burner

 

 

 

 

 

 

 

Orifice, page 34).

 

 

3.

Burner orifice diameter

3.

Replace burner orifice

 

 

 

is too small.

 

 

(see Changing Burner

 

 

 

 

 

 

 

Orifice, page 34).

 

 

4.

Inlet gas pressure is

4.

Contact local propane

 

 

 

too low.

 

 

 

gas company.

 

 

100791

Page 28
Image 28
Desa GVR35PA, GVR65PA, GVR50PA, GVR65BPA, GVR50BPA installation manual TROUBLE- Shooting, Cleaning and Mainte