Enerco HSBF10LP, TSBF10LP, MHBF10LP 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

3.

Reconnect ignitor cable

 

 

ignitor.

4.

Free ignitor cable if pinched by any metal

 

4.

Ignitor cable pinched or wet.

 

 

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

 

7. Low battery

 

control valve on 10K units).

 

 

 

7.

Replace battery

ODS/pilot lights but flame goes

 

 

1. Turn on gas supply or open equipment

1. Gas supply turned off or equipment

 

shutoff valve

out when control knob is

 

released

 

shutoff valve closed.

2.

Fully press in control knob while pressing

 

2.

Control knob not fully pressed in while

 

ignition button

 

 

pressing ignition button.

3.

Continue holding down control knob.

 

3.

Air in gas line when installed.

 

Repeat ignition operation until air is

 

4.

ODS/pilot is clogged.

 

removed.

 

4.

Clean ODS/pilot (see Cleaning and

 

5.

Gas regulator settign is not correct.

 

 

Maintenance page 13).

 

6. Control knob not in pilot position.

 

 

5.

Replace gas regulator

 

 

 

 

 

 

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. After ODS/pilot lights, keep control knob

pilot but no ignition

2. Control knob not presed in long enough

 

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

 

 

control valve

 

snug, 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. Contact local gas company

 

 

a. Low gas pressure

 

 

 

b. Dirty or partially clogged ODS/pilot

 

b. Clean ODS/pilot (see Cleaning and

 

6.

Thermocouple damaged

 

Maintenance, page 13).

 

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 too small

 

 

 

burner orifice

 

3.

Inlet gas pressure is too low

2.

Replace burner orifice

 

 

 

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. E 04/07

Image 14
Contents What to do if YOU Smell GAS Blue Flame Heaters Plaque HeatersModel # Burn Rate Propane/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 Ventilation from Outdoors InstallationLocating Heater Check GAS TypeFastening Heater to Wall Mounting BracketConnecting to GAS Supply Installing Bottom Mounting ScrewsInstalling Support Feet see figure Placing Heater on Mounting BracketTest pressure in Excess of ½ psig 3.5kPa Test Pressure Equal To or Less Than ½ psig 3.5 kPaOperating Your Heater Pressure Testing Heater Gas ConnectionsElectrical Wiring Diagram What to do if YOU Smell GASLighting Instructions For IR Heaters onlyShutting OFF Burner only Pilot Stays LIT To Turn OFF GAS to ApplianceShutting OFF Heater Turn control knob clockwise to the PILOT/IGN positionPilot Flame Pattern Thermostat Control OperationInspecting Burner Burner Flame PatternCleaning Burner Pilot AIR Hole Inlet Cleaning and MaintenanceCleaning ODS/PILOT and Burner Cleaning Heater CabinetControl knob not in pilot position TroubleshootingObserved Symptom Possible Cause Remedy Troubleshooting CON’T Observed Symptom Possible Cause RemedyBF10LP BF20LPT BF30LPT SpecificationsIR10 LP IR20LPT IR30LPT Parts not Under Warranty Replacement PartsParts Under Warranty Technical ServiceIR20LPT IR30LPT Thermostat modelsBF20LPT BF30LPT IR20LPT, IR30LPT, BF20LPT, BF30LPT Parts ListThermostat models IR20LPT BF20LPT IR30LPT BF30LPT70684 Not sold separately Must purchase Assembly Items not shown70683 31-1 70685NON-Thermostat models IR10LP BF10LPDescription QTY Non-Thermostat modelIR10LP, BF10LP, IR10 LP, BF10LP IR10LP BF10LPDescription QTY Model Serial No Date Purchased Warranty InformationKeep this warranty Ansi Z21.11.2b-2004
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MHBF20LPT, TSBF20LPT, MHBF10LP, TSBF10LP, HSBF20LPT specifications

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