28TROUBLE SHOOTING
Only For Qualified Installers
Main Burner will
not light (with valve
in "on" position)
Is Pilot lit
no
Light pilot
Yes
Check Thermopile
voltage at terminals
marked TP on valve.
Should be approximately
200 mv with switch "on"
and approximately 400
mv with switch "off".
too low
Replace Thermopile
Check switch, wires, and
wiring connectors.
Correct problem
Replace valve
OK
OK
bad
Evaluation notes were added to the output document. To get rid of these notes, please order your copy of ePrint IV now.