Enerco HSBF20LPT, MHBF6LP, HSBF10LP Troubleshooting, Observed Symptom­, Possible Cause­, Remedy­

Models: MHBF6LP HSBF30LPT HSIR20LPT HSIR30LPT HSBF20LPT HSBF10LP

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TROUBLESHOOTING

TROUBLESHOOTING

NOTE: All troubleshooting items are listed in order of operation and likely occurrence. OBSERVED SYMPTOM­POSSIBLE CAUSE­ WARNING: Only a qualified service person should service and repair heater.­

CAUTION: Never use a wire needle, or similar object to clean ODS/pilot. This can damage ODS/pilot unit.­

Make sure grille guard is in place before running heater. If screen or grille guard is removed for servicing it must be replaced prior to operating the heater.­

 

 

 

 

 

 

OBSERVED SYMPTOM­

 

POSSIBLE CAUSE­

 

REMEDY­

­ When ignitor button is pressed

1. Ignitor electrode positioned wrong.

1.

Reposition electrode

in, there is no spark at pilot

2. Ignitor electrode is broken.

2.

Replace electrode

 

3.

Ignitor electrode not connected to ignitor.

3.

Reconnect ignitor cable

 

4.

Ignitor cable pinched or wet.

4.

Free ignitor cable if pinched by any metal

 

 

 

 

or tubing. Keep ignitor cable dry.

 

5.

Broken ignitor cable.

5.

Replace ignitor cable

 

6.

Bad Piezo ignitor.

6.

Replace control valve (Piezo is part of

 

 

 

 

control valve on 10K units).

 

7.

Low Battery.

7.

Replace battery

ODS/pilot lights but flame

1.

Gas supply turned off or equipment shut-

1.

Turn on gas supply turn off or open equip-

 

off valve closed.

 

ment shutoff valve closed

goes out when control knob is

 

 

2. Control knob not fully pressed in while

2.

Fully press in control knob while pressing

released

 

 

pressing ignition button.

 

ignition button

 

3. Air in gas line when installed.

3.

Continue holding down control knob. Re-

 

 

 

 

peat ignition operation until air is removed.

 

 

 

4.

Clean ODS/pilot (see Cleaning and Main-

 

4.

ODS/pilot is clogged.

 

tenance page 13).

 

5.

Gas regulator setting is not correct

5.

Replace gas regulator

 

6.

Turn Control knob to pilot position

 

6.

Control knob not in pilot position

 

 

 

When ignitor button is pressed

1. Control knob not fully pressed in.

1.

Press in control knob fully

in, there is a spark at the ODS/

2. Control knob not pressed in long enough

2. After ODS/pilot lights, keep control knob

pilot but no ignition

 

 

 

pressed in for 30 seconds

3.Equipment shutoff valve not fully open

4.Thermocouple connection loose at con- trol valve

5.Pilot flame not touching thermocouple, which allows thermocouple to cool, caus- ing pilot flame to go out. This problem could be caused by one or both of the following:

a.Low gas pressure

b.Dirty or partially clogged ODS/pilot

3.Fully open equipment shutoff valve

4.Hand tighten thermocouple nut until snug, and then tighten 1/4 turn more.

5.-

a.Contact local gas company

b.Clean ODS/pilot (see Cleaning and Maintenance, page 13).

 

6. Thermocouple damaged

6.

Replace thermocouple

 

7.

Control valve damaged

7.

Replace Control valve.

Burner does not light after

1. Burner orifice is clogged

1.

Clean burner orifice (see Cleaning and

ODS/pilot is lit

 

 

 

Maintenance on page 13), or replace

 

2.

Burner orifice diameter to small

 

burner orifice

 

2.

Replace burner orifice

 

3.

Inlet gas pressure is too low

3.

Contact local gas company

 

 

 

 

Delayed ignition of burner

1. Manifold pressure is too low

1.

Contact local gas company

 

2.

Burner orifice is clogged

2.

Clean burner orifice (see Cleaning and

 

 

 

 

Maintenance on page 13), or replace

 

 

 

 

burner orifice

Unvented Liquid Propane Fired Room Heater

14

Installation Instructions and Owner’s Manual

Page 14
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Enerco HSBF20LPT, MHBF6LP, HSBF10LP, HSIR30LPT, HSIR20LPT Troubleshooting, Observed Symptom­, Possible Cause­, Remedy­