Accu-Steam™ G2 Gas Service Manual
PAGE 9
SP8042-1609
Griddle Specifications Sheet
13. If the DC voltage level is detected before 4 seconds and is at a high enough level the ignition
module will continue to hold the main gas valve open.
14. If the DC voltage level is not high enough within the 4 second window, the ignition module
will shut down the main gas valve.
15. A fault timer is connected across the red and blue harnesses from the ignition module. When
the ignition module is commanded to start the ignition cycle, 24VAC is present on both the red and
the blue harnesses and the timer is deactivated.
16. If the ignition module fails to see a sufficiently high enough DC voltage level through the
flame sense circuit, the ignition module will disable 24VAC from the red harness and the timer will
see the voltage potential from the chassis ground/yellow system harness side of the transformer
and begin an approximate 6 second timer sequence that controls the ignition fault indicator lamp
causing it to flash.
17. When the griddle heats up to the set point temperature, the digital controller RTD resistance
changes and provides a signal to the control board telling it that the set point temperature has been
reached.
18. When the digital controller sees the resistance value for the set point temperature, it cuts
power to the ignition control DC coil relay and breaks the connection to the ignition module
causing the griddle to stop heating further.
Sequence of Operation
