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3) Set service menu item 22 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.
4) Set service menu item 23 to ON to stop the beep when the “ON/OFF” button is switched
off but to resume fl ashing “Ch” when the “ON/OFF” button is switched back on unless the
wash tank is refi lled (factory default: OFF). Press the power switch (GFCI) or turn off the
external power supply to stop both the beep and “Ch” indication.
Set service menu item 23 to OFF to stop both the beep and “Ch” indication once the “ON/
OFF” button is switched off.
If service menu item 23 is set to ON, “Ch” keeps fl ashing even if service menu item 22 is
set to OFF.
Alert Function Setting Flow
Wash Tank Refi ll Alert
Service Menu 20
Total Operation Time
Before Alert
ON
OFF
Alert function OFF
[factory default]
Set service menus
21 to 23
Service Menu 21
1 to 99
Alert starts after number in display
(1 to 99) x 10 cycles
[factory default: 2 (20 cycles)]
Service Menu 22
Display Hold Function
ON
"Ch" keeps fl ashing
(until "ON/OFF" button is switched off)
Service Menu 23
Power Supply Lock
Function
* OFF
"Ch" goes off after 10 minutes
[factory default]
OFF
Beep stops and "Ch" goes off when
"ON/OFF" button is switched off
[factory default]
* ON
Switching off "ON/OFF" button cancels beep
but not "Ch" until wash tank is refi lled
* "Ch" keeps fl ashing even if
service menu 22 is set to OFF