Troubleshooting
WARNING: Turn off heater and let cool before servicing. 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.
Note: All troubleshooting items are listed in order of operation.
The two most common causes of a malfunctioning gas appliance are:
1.Loose wiring connections
2.Construction debris clogging the pilot and/or gas control valve filter
OBSERVED PROBLEM POSSIBLE CAUSE | REMEDY |
Manual Ignition System Only When ignitor button is pressed, there is no spark at ODS/pilot
1.Ignitor electrode not con- nected to ignitor cable
2.Ignitor cable pinched or wet
3.Piezo ignitor nut is loose
4.Broken ignitor cable
5.Bad piezo ignitor
6.Ignitor electrode positioned wrong
7.Ignitor electrode broken
1.Reconnect ignitor cable
2.Free ignitor cable if pinched by any metal or tubing. Keep ignitor cable dry
3.Tighten nut holding piezo ignitor to base panel of log set. Nut is located behind base panel.
4.Replace ignitor cable
5.Replace piezo ignitor
6.Replace pilot assembly
7.Replace pilot assembly
Manual Ignition System Only When ignitor button is pressed, there is spark at ODS/pilot but no ignition
1.Gas supply turned off or equipment shutoff valve closed
2.Control knob not in PILOT position
3.Control knob not pressed in while in PILOT position
4.Air in gas lines when in- stalled
5.Depleted gas supply (pro- pane/LP only)
6.ODS/pilot is clogged
7.Gas regulator setting is not correct
1.Turn on gas supply or open equipment shutoff valve
2.Turn control knob to PILOT position
3.Press in control knob while in PILOT position
4.Continue holding down control knob. Repeat ignit- ing operation until air is removed
5.Contact local propane/LP gas company
6.Clean ODS/pilot (see Clean- ing and Maintenance, page
24)or replace ODS/pilot assembly
7.Replace gas regulator
26 | www.desatech.com |
