Wayne HSG200 - Page 33

33
IGNITION ARC ESTABLISHED – NO FLAME
Reset Control – Motor starts – Completes 30 second pre-purge cycle and 4 second trial for
ignition. NOTE: the burner motor will continue to operate during the lockout mode when the
thermostat circuit is called for burner operation.
OK
OK
Check for correct orifice/air setting relationship (Figures 11, 18, 19).
In order for the following functional test to be made, the
control must be reset and the tests monitored during the
4 second trial for ignition period that occurs at the END
of the 30 second pre-purge.
Check for 24 volts AC at gas valve terminals.
OK
Make sure leads are on the correct gas valve
terminals.
OK
Check for correct manifold regulated pressure (see
Figure 11 for pressure, Figure 17 for location of
pressure port on valve.)
Replace gas valve.
OK
NO
Check electrical wiring and
connections. Be sure leads are
on correct gas valve terminals.
Replace primary ignition control.
OK
OK
OK