Hach-Lange FILTRAX eco - Manual (Page 33)

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Operation
4.4 [+SIGNALS] menu
The [+SIGNALS] menu is used for services and manufacturer
inspections. It is not required for operation or the adjustment of
instrument settings.
Note: Normal operation continues while the instrument is in this menu. If
no buttons are pressed for over ten minutes, the instrument automatically
switches to the operation display.
4.5 [+OP.COUNTERS] menu
The [+OP.COUNTERS] menu provides information on the
operating time of the various instrument components and wear
parts. It is not required for operation or the adjustment of instrument
settings.
Note: Normal operation continues while the instrument is in this menu. If
no buttons are pressed for over ten minutes, the instrument automatically
switches to the operation display.
4.6 [+SERVICE] menu
Important Note: With the exception of purely visual inspection, all
maintenance and service work must be carried out via this menu.
Note: When the menu is called up, the message "OK -> NO SAMPLE!" is
shown first of allto signify that the activation of this menu interrupts the
supply of samples to the measuring instruments immediately. Operation
only recommences following a definitive exit from the menu via the
keyboard or a called up program.
4.4.1 Overview of +SIGNALS menu
+SIGNALS Setting Description
TEMPERATURE (housing) Information only Temperature in the control unit in °C or °F
4.5.1 Overview of +OP.COUNTERS menu
+OP.COUNTERS Description
CLEANED in the Month when last clean took place, automatically updated via [FILTERCLEANING]
MODUL Operating time of the filter module in days
P.TUBES IN Remaining operating time for pump tube set in days (91 - 0 - negative number 1 )
P.CARTR. IN Remaining operating time for pump cassette in days (365 - 0 - negative number 1 )
P.ROLL. IN Remaining operating time for pump rollers in days (365 - 0 - negative number 1 )
AIR F.H. IN
Remaining operating time for the two air filters in the control unit in days
(91 - 0 - negative number
1 ) — the air filter on the air outlet side may not necessarily need to
be replaced that often
1 When replacement date is exceeded.