Troubleshooting ST-38HV-AU | Heat & Glo LifeStyle specs

3.5TROUBLESHOOTING - ST-38HV-AU

With proper installation and maintenance, your new heater should provide years of trouble-free service. If you do experience a problem, refer to the Troubleshooting Guide below. This guide will assist a qualified service person in the diagnosis of problems and the corrective action to be taken.

SYMPTOM

POSSIBLE CAUSE

CORRECTIVE ACTION

I.Spark Ignitor will not light pi- lot after repeated triggering of red button.

II.Pilot will not stay lit after care- fully following lighting in- structions.

A. Defective ignitor (no spark at electrode).

B. Defective pilot or misaligned electrode (spark at electrode).

C. No gas or low gas pressure.

A. Defective thermocouple.

1.Check for spark at electrode and pilot; if no spark and electrode wire is properly connected, re- place ignitor.

1.Using a match, light pilot. If pilot lights, turn off pilot and trigger the red button again. If pilot lights, an improper gas/air mixture caused the bad lighting and a longer purge period is recommended. If pilot will not light - check gap at pilot - should be 1/8 inch (3.2mm) to have a strong spark.

If OK, replace pilot.

1.Check unit's shut-off valve and remote shut off valves from heater. Usually there is a valve near the main. There can be more than one (1) valve between the heater and main.

2.Low pressure can be caused by a variety of situations such as a bent line, too narrow diameter of pipe or even low line pressure. Check for kinked lines. If none, consult with plumber or gas sup- plier.

1.Check pilot flame. Must impinge on thermocouple. Clean and or adjust pilot for maximum flame impingement on thermocouple.

2.Be sure wire connections from thermocouple at gas valve termi- nals are tight and thermopile is fully inserted into pilot bracket.