Keating Of Chicago MIRACLEAN, Service & Preventative Maintenance Training

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23
Lighting Problems Trouble Shooting
• #2 - Check wire connection at gas valve magnet
– Remove, recrimp if necessary
– Check the black wire between
TH terminal on gas valve and
the thermostat. It must not
have any breaks or bare spots
that allow it to ground out.
– Check for loose thermopile
connections at the gas valve:
TP – THTP
– Check for bare spots along
thermopile wire.
PROBLEM: Pilot lights, but will not stay lit