User Manual - Page 87

For IRT1900N263E.

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Part Number: 000015430 Rev 02 5/20 87
SAFE OPERATION MODE
Allows the ice machine to operate up to 72 hours if the
ice thickness probe (E19 fault) and/or water level probe
sensors fail (E20 fault).
When the control board starts the safe mode an
alert is indicated to notify the end-user they have a
production problem.
The control board automatically initiates and monitors
the safe mode. The control will automatically exit the
safe mode if a normal signal is received from the input.
After 72 hours the control board will enter a standby
mode and turn off.
The control board needs a five cycle history to operate
safe mode. If five cycles have never been successfully
completed the ice machine will shut-off.
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