Enerco MHIR30LPT, TSBF10LP, MHIR20LPT Troubleshooting, Observed Symptom Possible Cause Remedy

Page 14

TROUBLESHOOTING

NOTE: All troubleshooting items are listed in order of operation and likely occurrence.

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 goes

1.

Gas supply turned off or equipment

1. Turn on gas supply turn off or open

 

shutoff valve closed.

 

equipment shutoff valve closed

out when control knob is

 

 

2. Control knob not fully pressed in while

 

 

released

2.

Fully press in control knob while pressing

 

 

pressing ignition button.

 

ignition button

 

3. Air in gas line when installed.

3.

Continue holding down control knob.

 

 

 

 

Repeat ignition operation until air is

 

 

 

 

removed.

 

4.

ODS/pilot is clogged.

4.

Clean ODS/pilot (see Cleaning and

 

 

 

 

Maintenance page 13).

 

5.

Gas regulator setting is not correct

5.

Replace gas regulator

 

6.

Control knob not in pilot position

6. Turn Control knob to 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 presed 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

3.

Fully open equipment shutoff valve

 

4.

Thermocouple connection loose at

4.

Hand tighten thermocouple nut until snug,

 

 

control valve

 

and then tighten 1/4 turn more.

 

5.

Pilot flame not touching thermocouple,

5. -

 

 

which allows thermocouple to cool,

 

 

 

 

causing pilot flame to go out. This

 

 

 

 

problem could be caused by one or both

 

 

 

 

of the following:

 

 

 

 

a. Low gas presure

 

a. Contact local gas company

 

 

b. Dirty or partially clogged ODS/pilot

 

b. Clean ODS/pilot (see Cleaning and

 

 

 

 

Maintenance, page 13).

 

6.

Thermocouple damaged

6.

Replace thermocouple

 

7.

Control vlave 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

 

 

 

 

burner orifice

 

2.

Burner orifice diameter to small

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

14 Installation instructions and Owner’s Manual 70575 Rev. C 8/05

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Contents TSBF10LP MHBF30LPT MHBF20LPTTSBF20LPT TSBF30LPT MHIR30LPT MHIR20LPTPropane/LP Gas PrecautionsCarbon Monoxide Poisoning Local Codes Safety DeviceThermostatic Control on Thermostat Models Ignition SystemVentilation from Inside Building Determining the Type of Heater Location SpaceVentilation AIR Locating Heater InstallationThis Installation Requires Ventilation from OutdoorsFastening Heater to Wall Mounting BracketConnecting to GAS Supply Floor Mounting Away from WallTest pressure in Excess of ½ psig 3.5kPa What to do if YOU Smell GAS Pressure Testing Heater Gas ConnectionsElectrical Wiring Diagram Lighting Instructions Shutting OFF Heater To Turn OFF GAS to ApplianceOperating Your Heater Thermostat Models Shutting OFF Burner only Pilot Stays LITPilot Flame Pattern Thermostat Control OperationInspecting Burner Burner Flame PatternCleaning Burner Pilot AIR Hole Inlet Cleaning and MaintenanceCleaning ODS/PILOT and Burner Cleaning Heater CabinetTroubleshooting Observed Symptom Possible Cause RemedyTroubleshooting CON’T Observed Symptom Possible Cause RemedyBF10LP BF20LPT BF30LPT SpecificationsIR10 LP IR20LPT IR30LPT Parts not Under Warranty Replacement PartsParts Under Warranty Technical ServiceIR20LPT20-235 Thermostat modelsBF20LPT BF30LPT IR30LPTIR20LPT BF20LPT IR30LPT BF30LPT Parts ListDescription QTY Regulator to Thermostat Valve tube Ass’y IR10LP MHIR10LP, MHBF10LP TSIR10LP, TSBF10LPNON-Thermostat models BF10LPMHIR10LP, MHBF10LP, TSIR10 LP, TSBF10LP IR10LP BF10LPDescription QTY Warranty Information
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MHBF20LPT, TSIR10LP, MHIR30LPT, MHIR20LPT, TSBF20LPT specifications

The Enerco MHBF10LP, TSBF10LP, HSBF10LP, HSBF20LPT, and TSBF20LPT are innovative heating solutions designed for both commercial and residential applications. These units are highly efficient gas-fired heaters offering versatile heating capabilities, ensuring user comfort in various settings.

The MHBF10LP is a liquid propane heater featuring a powerful output of 10,000 BTU. It operates with a direct ignition system, allowing for quick and reliable startups. Its compact design makes it suitable for smaller spaces, while the adjustable heat settings empower users to customize their warmth. The MHBF10LP boasts a safety shut-off system which enhances the overall safety of the unit.

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