Procom MD5TPA-BB Manuel d'installation télécharger pdf (Page 23)

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23200042-01B

Problem Possible Cause Corrective Action

ODS/pilot lights but ame

goes out when control

knob is released.

1. Control knob is not fully

pressed in.

2. Control knob is not pressed

in long enough.

3. Equipment shutoff valve is

not fully open.

4. Thermocouple connection is

loose at control valve.

5. Pilot flame not touching

thermocouple, which allows

thermocouple to cool, caus-

ing pilot ame to go out. This

problem could be caused by

one or both of the following:

A) Low gas pressure

B) Dirty or partially clogged

ODS/pilot

6. Thermocouple damaged.

7. Control valve damaged.

1. Press in control knob fully.

2. After ODS/pilot lights, keep

control knob pressed in 30

seconds.

3. Fully open equipment shutoff

valve.

4. Hand tighten until snug, and

then tighten 1/4 turn more.

5. A) Contact local natural or

propane/LP gas company

B) Clean ODS/pilot (see

Care and Maintenance,

page 21) or replace ODS/

pilot assembly

6. Replace thermocouple

7. Replace control valve.

Burner(s) does not light

after ODS/pilot is lit.

1. Burner orice is clogged.

2. Burner orice diameter is too

small.

3. Inlet gas pressure is too low.

1. Clean burner orifice (see

Care and Maintenance,

page 21) or replace burner

orice.

2. Replace burner orice.

3. Contact local gas supplier.

Delayed ignition of

burner(s).

1. Manifold pressure is too low.

2. Burner orice is clogged.

1. Contact local gas supplier.

2. Clean burner (see Care and

Maintenance, page 21) or

replace burner orice.

Burner backring during

combustion.

1. Burner orice is clogged or

damaged.

2. Burner is damaged.

3. Gas regulator is damaged.

1. Clean burner orifice (see

Care and Maintenance,

page 21) or replace burner

orice.

2. Replace burner.

3. Replace gas regulator.

High yellow ame during

burner combustion.

1. Not enough air.

2. Gas regulator is defective.

3. Inlet gas pressure is too low.

1. Check burner for dirt and

debris. If found, clean burner

(see Care and Maintenance,

page 21).

2. Replace gas regulator.

3. Contact local gas supplier.

Gas odor during com-

bustion.

1. Foreign matter between

control valve and burner.

2. Gas leak. (See Warning

Statement at top of page 23).

1. Take apart gas tubing and

remove foreign matter.

2. Locate and correct all leaks

(see Checking Gas Connec-

tions, page 16).

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