American Dryer Corp. ML-96HS - Manual (Page 37)

33
SECTION VII
PROCEDURE FOR FUNCTIONAL CHECK OF
REPLACEMENT COMPONENTS
Hot Surface Ignition (HSI) System
1. Upon completing installation of the replacement Hot Surface Ignition (HSI) module, reestablish power
to the dryer.
6. Stop the drying cycle, with the flame sensor wire still removed, restart the drying cycle.
7. The hot surface ignitor will turn on and after approximately 4-seconds the hot surface ignitor will shut off.
The gas valve will be energized and a burner flame should be evident for approximately 7-seconds and then
shut off.
8. The HSI module will attempt two (2) additional ignition trails after which the HSI module will lock out and the
"red" indicator light will flash continuously.
9. Functional check of the Hot Surface Ignition (HSI) module is complete. Replace the flame sensor wire from
the S2 terminal to the HSI module.
2. The HSI module's "red" indicator light will light
up for approximately 5-seconds (self check
routine). If the HSI module's "red" indicator
light stays on or flashes continuously, then the
HSI module is wired incorrectly or has failed.
3. Start the drying cycle.
4. The hot surface ignitor will turn on. After
approximately 4 seconds the glo-bar will shut
off and the gas valve will be energized. The
flame should now be established.
5. With the burner flame on, remove the flame
sensor wire from the S2 terminal of the HSI
module. The burner flame must shut off immediately.