Manitowoc STH042 4/16, Technician'S Handbook

Page: 59 / 146

Part Number STH042 4/16 59
Control Board Test Mode
NOTE: The ice damper/bin switch can be open or closed
and does not effect the operation of the test mode.
To enter the test mode press and hold the test button on
the control board for 3 seconds. The control board test
mode performs the following functions for a 2 minute
time period:
• Energizes all control board relays
• Energizes all control board lights
• Energizes all touch pad control lights
After 2 minutes the control board will automatically
initiate and complete one ice making cycle, then stop.
Canceling a test cycle:
To cancel a test cycle press the test button a second time.
Restarting a test cycle:
The test cycle will restart each time the test button is
pressed for a 3 second time period.
OPERATING ICE MACHINE WITH BIN AND TOUCH
PAD REMOVED
The ice machine is designed to allow diagnostic
procedures to be performed with the bin removed. The
touch pad is attached to the bin and is disconnected
during the removal process. Use the control board test
mode to operate the ice machine without connecting the
touch pad.