Table of Contents
Advertisement
TROUBLESHOOTING
While MHSC has made every reasonable effort to ensure this appliance operates properly and satis-
factorily, sometimes problems do arise. The following troubleshooting chart lists several problems with
their probable cause and remedy. Any adjustments and/or replacements must be by a qualified person.
Do not replace any component with a different type. Use only components supplied by the manufac-
turer for this appliance.
Problem
Flame too large
Noisy flame
Yellow or excessive flame
Floating flame
Delayed ignition
Failure to ignite
Burner won't turn off
Burner won't turn on
Burner & pilot
flame go out
20301938
Probable Cause
1. Pressure regulator set too high
2. Defective regulator
3. Burner orifice too large
1. Too much primary air
2. Noisy pilot
3. Burr in orifice
1. Too little primary air
2. Clogged burner ports
3. Misaligned orifices
4. Clogged vent system
1. Blocked venting
2. Insufficient primary air
1. Improper pilot location
2. Pilot flame too small
3. Burner ports clogged
4. Low pressure
1. Main gas off
2. Defect in gas valve
1. Defective auto valve
1. Defective auto valve
2. Defective pilot sensor
3. Defective switch
4. Defective auto pilot valve
1. Poorly functioning vent system
2. Gas supply interrupted
3. Defective pilot or control
B-Vent Specialty Gas Fireplaces
Remedy
1. Reset, using manometer
2. Replace
3. Replace with correct size
1. Adjust air shutters
2. Reduce pilot gas
3. Remove burr or replace
1. Adjust air shutter
2. Clean ports
3. Realign or replace burner
4. Clean
1. Clean
2. Adjust air shutter
1. Reposition pilot
2. Check orifice, increase gas
3. Clean ports
4. Adjust pressure regulator
1. Open manual shut-off valve
2. Replace
1. Clean or replace
1. Replace
2. Replace
3. Repair or replace
4. Replace
1. If pilot can be relit but main burner
& pilot go off after ignition, have vent
system checked and corrected im-
mediately
2. Try relighting pilot and main burner.
If pilot won't relight, check thermo-
couple and control
3. Replace
29
Advertisement
Table of Contents
