Procom ML300HGA, ML300TGA Troubleshooting, Continued, Observed Problem, Possible Cause, Remedy

Models: ML300HGA ML300TGA

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TROUBLESHOOTING

Continued

WARNING: If you smell gas

Shut off gas supply.

Do not try to light any appliance.

Do not touch any electrical switch; do not use any phone in your building. Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.

If you cannot reach your gas supplier, call the fire department.

IMPORTANT: Operating heater where impurities in air exist may create odors. Clean- ing supplies, paint, paint remover, cigarette smoke, cements and glues, new carpet or textiles, etc., create fumes. These fumes may mix with combustion air and create odors.

OBSERVED PROBLEM

 

POSSIBLE CAUSE

 

 

REMEDY

 

 

 

 

 

 

 

 

Heater produces unwanted odors.

1.

Heater

burning vapors

from

1.

Ventilate room. Stop using odor

 

 

paint,

hair

spray,

glues,

etc.

 

causing products while heater

 

 

(See

IMPORTANT

statement

 

is running.

 

 

 

 

above).

 

 

 

 

2.

Locate and correct all leaks(see

 

2 . Gas

leak .

See

Warning

 

Checking Gas Connections,

 

 

Statement at top of page.

 

 

page 10).

 

 

 

3.

Low fuel

supply.

 

 

3.

Refill supply tank.

 

 

 

 

 

 

 

 

Heater shuts off in use (ODS operates).

1.

Not enough fresh air is available.

1.

Open window

and/or door

for

 

 

 

 

 

 

 

 

 

ventilation.

 

 

 

2.

Low

line pressure.

 

 

2.

Contact local

Propane/LP

gas

 

 

 

 

 

 

 

 

 

company.

 

 

3.ODS/pilot is partially clogged. 3. Clean ODS/pilot (see Cleaning Page 13).

Gas odor even when control knob is in OFF position.

1. Gas leak.

See Warning 1.

Locate and correct all leaks(see

Statement at

top of page.

Checking Gas Connections,

2. Control valve is defective.

Page 10).

 

2.

Replace control valve.

 

Gas odor during combustion.

1.

Foreign matter between control

1.

Take

apart

gas tubing

and

 

 

 

 

 

valve and burner.

 

remove foreign matter.

 

 

 

 

 

2.

Gas

leak.

See Warning

2.

Locate

and

correct all

leaks

 

 

 

 

 

Statement at top of page.

 

(see Checking Gas Connections,

 

 

 

 

 

 

 

 

 

Page 10).

 

 

 

 

 

 

 

 

 

 

 

 

Heater produces a

clicking/ticking

1.

Metal is expanding while heating

1.

This is common with most

 

 

noise just after burner is lit or shut off.

 

or contracting

while cooling.

 

heaters. if noise is excessive,

 

 

 

 

 

 

 

 

 

contact qualified service person.

 

 

 

 

 

 

 

 

 

 

 

Moisture/condensation

noticed on

1.

Not

enough combustion/ventilation

1.

Refer to Air for Combustion and

 

 

windows.

 

 

air.

 

 

 

Ventilation requirements, Page

 

 

 

 

 

 

 

 

 

4.

 

 

 

 

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Procom ML300HGA, ML300TGA installation manual Troubleshooting, Continued, Observed Problem, Possible Cause, Remedy