Alliance Laundry Systems UF18PNV - Manual (Page 22)

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Operation
Overtravel Limit Switch
As a fail-safe measure, an overtravel limit switch is
installed on all machines. The limit switch serves to
trigger a rapid stop. This means that if the machine
balance “passes” the inverter drive balance
detection system at the drain step but the overtravel
limit switch detects an out-of-balance load
condition at the extract step, the basket will brake to
a rapid stop.
To reset the control, push the stop button and open
the door when the display shows “donE.”