Service Hints; Technical Service - Procom MNSD300HGA Owner's Operation And Installation Manual

Vent-free gas wall heater, blue flame
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Problem
Heater produces un-
wanted odors.
Heater shuts off in use
(ODS operates).
Gas odor exists even
when control knob is in
OFF position.
Moisture/condensation
noticed on windows.
• pilot will not stay lit
• burners will have delayed ignition
• fireplace will not produce specified heat
You may have further questions about installation, operation, or troubleshooting. If so, contact
ProCom Heating, Inc. at 1-866-573-0674.
When calling, please have your model and serial numbers of your heater ready.
24
TROUBLESHOOTING
Possible Cause
1. Heater is burning vapors from
paint, hair spray, glues, etc.
See IMPORTANT statement,
page 20.
2. Gas leak. See Warning State-
ment on of page 20.
3 Low fuel supply.
1. Not enough fresh air is avail-
able.
2. Low line pressure.
3. O D S / p i l o t i s p a r t i a l l y
clogged.
1. Gas leak. See Warning
Statement on page 20.
2. Control valve is defective.
1. Not enough combustion/
ventilation air.

SERVICE HINTS

When Gas Pressure Is Too Low

TECHNICAL SERVICE

www.usaprocom.com
Corrective Action
1. Ventilate room. Stop using
odor causing products while
heater is running.
2. Locate and correct all leaks
(see Checking Gas Connec-
tions, page 15).
3. Refill supply tank (Propane/
LP models).
1. Open window and/or door for
ventilation.
2. Contact local gas supplier.
3. Clean ODS/pilot (see Care
and Maintenance, page 19).
1. Locate and correct all leaks
(see Checking Gas Connec-
tions, page 15).
2. Contact customer service.
1. Refer to Air for Combus-
tion and Ventilation require-
ments, page 6.
• propane/LP gas supply might be low (pro-
pane/LP units only)
You may feel your gas pressure is too low. If
so, contact your local gas supplier.
200233-01B

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Questions and answers

steven szabo
February 8, 2025

I cant get the pilot light to light I followed the instructions correctly ??

1 comments:
Mr. Anderson
February 11, 2025

To troubleshoot the pilot light issue on a Procom MNSD300HGA:

1. Check Gas Supply – Ensure the equipment shutoff valve is fully open.
2. Follow Lighting Instructions – Turn the control knob to OFF, wait five minutes, then try lighting the pilot again by pressing the ignitor button.
3. Manual Lighting – If the ignitor does not work, light the pilot with a match following the Manual Lighting Procedure (page 18).
4. Hold Control Knob – After lighting, keep the control knob pressed for 30 seconds.
5. Check Gas Pressure – If the pilot does not stay lit, gas pressure may be too low. Contact your gas supplier.
6. Consult Troubleshooting Guide – Refer to pages 20-24 for additional troubleshooting steps.
7. Seek Professional Help – If the issue persists, contact a qualified service technician or gas supplier for repairs.

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