Monessen Hearth HBDV400 Troubleshooting, Standing Pilot Ignition, Symptom, Possible Cause, Action

Models: HBDV400 HBDV300

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TROUBLESHOOTING

TROUBLESHOOTING

STANDING PILOT IGNITION

SYMPTOM

POSSIBLE CAUSE

ACTION

 

4.

Frequent pilot outage

A. Pilot flame may be too high or

A. Clean and adjust the pilot flame for maximum flame impinge-

 

 

 

problem.

 

too low, causing pilot safety

ment on thermocouple.

 

 

 

 

 

to drop out

 

 

 

 

 

 

 

5. The pilot and main

A. Inner vent pipe leaking

A. Check for flue product leak. Replace defective pipe section.

 

 

 

burner extinguish

 

exhaust gases back into

 

 

 

 

while in operation

 

system

 

 

 

 

 

B.

Horizontal vent improperly

B. Check horizontal-venting piping is running upward 1/4" per foot.

 

 

 

 

 

pitched

Do not run the pipe level or downward.

 

 

 

 

C.

Improper vent cap installation

C. Check for proper installation and freedom from debris or block-

 

 

 

 

 

 

age.

 

 

 

 

 

 

 

6.

Glass Soots

A. Flame impingement on logs

A. Install log set per the instructions

 

 

 

 

 

 

Inspect the injector and air intake area. Make sure this area does

 

 

 

 

 

 

not have any blockage from debris and clean.

 

 

 

 

 

 

Check gas supply.

 

 

 

 

 

 

7. Flame burn blue and

A. Insufficient oxygen being

A. Ensure that the vent cap is installed properly and free of debris.

 

 

 

lifts off burner (ghost-

 

supplied

Ensure that the vent system joints are tight and have no leaks.

 

 

 

ing)

 

 

Ensure that no debris has been blocking the inner air intake at the

 

 

 

 

 

 

bottom back of the combustion chamber. Ensure that the glass is

 

 

 

 

 

 

properly secure and latch.

 

 

 

 

 

 

 

 

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Monessen Hearth HBDV400, HBDV300 manual Troubleshooting, Standing Pilot Ignition, Symptom, Possible Cause, Action