Design Dynamics VF-24P-MHD Manuale Utente

www.fmiproducts.com

116986-01H

TRoUBlesHooTING

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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. Fol-

low 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. Cleaning sup-
plies, 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. These odors will
disappear over time.

POSSIBLE CAUSE

1. Battery is not installed.

Battery power is low

2. Bad module

1. Metal expanding while

heating or contracting

while cooling

1. Heater burning vapors from

paint, hair spray, glues,

cleaners, chemicals, new

carpet, etc. (See IMPOR-

TANT statement above)

2. Low fuel supply (propane/

LP only)

3. Gas leak. See Warning

statement at top of page

1. Not enough fresh air is

available

2. Low line pressure

3. ODS/pilot is partially

clogged

4. Thermostat on remote is

satisfied

1. Gas leak. See Warning

statement at top of page

2. Control valve or gas control

defective

1. Foreign matter between

control valve and burner

2. Gas leak. See Warning

statement at top of page

REMEDY

1. Replace batteries in re-

ceiver and remote control

2. Replace module

1. This is normal with most

heaters. If noise is exces-

sive, contact qualified ser-

vice person

1. Open window to venti-

late room. Stop using odor

causing products while

heater is running

2. Refill supply tank (propane/

LP only)

3. Locate and correct all leaks

(see Checking Gas Con-

nections, page 13)

1. Open window and/or door

for ventilation

2. Contact local natural or

propane/LP gas company

3. Clean ODS/pilot (see

Cleaning and Maintenance,

page 20)

4. Adjust temperature

1. Locate and correct all leaks

(see Checking Gas Con-

nections, page 13)

2. Replace control valve or

gas control

1. Take apart gas tubing and

remove foreign matter

2. Locate and correct all leaks

(see Checking Gas Con-

nections, page 13)

OBSERVED PROBLEM

Remote does not function

Heater produces a clicking/

ticking noise just after burner

is lit or shut off

Heater produces unwanted

odors

Heater shuts off in use (ODS

operates)

Gas odor even when control

knob is in OFF position

Gas odor during combustion