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11. Operation Time Display
To indicate the total hours of operation in the display, press the up button on the operation
panel. The number appears from the hundred-thousands place by two digits each for 1
second. The maximum number is 999,999 hours, and the display does not change for the
higher numbers.
Example: 19,302 hours are indicated as
12. Special Modes
a) Continuous Wash Mode
The continuous wash mode (also used when descaling) allows the wash pump motor to
run continuously. In this mode, the wash tank heaters and booster tank heaters remain de-
energized.
To enter the continuous wash mode, use the "ON/OFF" button to turn off the unit. Press
and hold the up and down buttons and the "CHANGE" button for 3 seconds and press the
"ON/OFF" button. As long as the service panel switch and wash tank water level sensor are
closed, the wash pump motor runs
and power is supplied to the detergent feeder terminals.
"PC" (preventative cleaning) appears in the display and the lamps are off.
To cancel the continuous wash mode, press the "ON/OFF" button.
b) Low Water Temperature Lock Function
To ensure the NSF specifi ed minimum wash water temperature of 160°F, this unit is provided
with a function to lock the washing operation until water in the wash water tank reaches 160°F
even if a rack is loaded (factory default: OFF).
To activate this function, set service menu item 15 to "ON" referring to "II.F.7.a) Service Menu
Access." The minimum temperature of 160°F cannot be changed.
c) Alert Function
To keep water in the wash water tank clean, this unit is provided with functions to beep and
fl ash "Ch" (= Change) in the display when wash water should be changed and to continue
this alert until the wash water tank is refi lled (factory default: OFF).
To activate this function, set service menu items 16, 17, 18 and 19 referring to "II.F.7.a)
Service Menu Access."
1) Set service menu item 16 to ON to activate this function (factory default: OFF).
2) Set service menu item 17 to the desired total operation time before alert [number in display
x 10 minutes] (factory default: 12 (2 hours)). Change this setting according to the advice
of the relevant health department and customer demands.
3) Set service menu item 18 to either OFF ["Ch" goes off after 10 minutes] or ON ["Ch" keeps
fl ashing] (factory default: OFF). Even if set to ON, "Ch" goes off when the "ON/OFF" button
on the operation panel is switched off.
OFF OFF