TROUBLESHOOTING

Note : All

troubleshooting

WARNING: Only a qualified

items are listed in order of

service person should service and

operation.

 

repair heater.

OBSERVED PROBLEM

POSSIBLE CAUSE

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

REMEDY

When ignitor button is pressed in, there is no spark at ODS/pilot.

When ignitor button is pressed in, there is a spark at ODS/pilot but no ignition.

ODS/pilot lights but flame goes out when control knob is released.

1.Ignitor electrode is positioned wrong.

2.Ignitor electrode is broken.

3.Ignitor electrode is not connected to ignitor cable.

4.Ignitor cable is pinched or wet.

5.Broken ignitor cable.

6.Bad piezo ignitor.

1 . G a s s u p p l y t u r n e d o f f o r equipment shutoff valve is closed.

2.Control knob not fully pressed in while pressing ignitor button.

3.Air in gas lines when installed.

4.ODS/pilot is clogged.

5.Gas regulator setting is not cor- rect

6.Control knob not in PILOT position.

1.Control knob is not fully pressed in.

2.Control knob is not pressed in long enough.

3.Equipment shutoff valve is not fully open.

4.Thermocouple connection is loose at control valve.

5.Thermocouple damaged.

6.Control valve damaged.

1.Replace ignitor.

2.Replace ignitor.

3.Reconnect ignitor cable.

4.Free ignitor cable if pinched by any metal or tubing. Keep ignitor cable dry.

5.Replace ignitor cable.

6.Replace piezo ignitor.

1.Turn on gas supply or open equipment shutoff valve.

2.Fully press in control knob while pressing ignitor button.

3.Continue holding down control knob. Repeat igniting operation until air is removed.

4.Clean ODS/pilot (see Cleaning and Maintenance Page 13) or replace ODS/pilot assembly.

5.Replace gas regulator.

6.Turn control knob to PILOT position.

1.Press in control knob fully.

2.After ODS/pilot lights, keep control knob pressed in 30 seconds.

3.Fully open equipment shutoff valve.

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

5.Replace thermocouple.

6.Contact Dealer or PRO-COM.

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Procom MN100TBA, MN100HBA, MN060HBA installation manual Troubleshooting, Observed Problem Possible Cause Remedy

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