CM4 Four-Point Continuous Monitor
CM4 Technical Manual
7-16
7.8 Function 3.7 – Maintenance Set-Up
Use the maintenance set-up function to enable/disable:
• Fault counter that indicates low Chemcassette
®
• Prompt that indicates the need for internal filter replacement
• Prompt that indicates the need for sample line filter replacement,
if so equipped
See
for information about resetting timers.
7.8.1 Chemcassette
®
Counter (3.7.1)
Purpose
Use the Chemcassette
®
counter function to enable/disable a fault that
occurs when less than 24 hours of Chemcassette
®
remains, based
upon a descending counter. See
replacing the Chemcassette
®
.
NOTE:
Disabling the counters eliminates faults that would otherwise occur
when the Chemcassette
®
tape supply is low (24 hours remaining)
or when the internal and external filters need to be replaced. If any
counter is disabled, the reset prompts for that counter will not
appear as shown here.
Instructions
1. Press PROGRAM to exit Monitor Mode.
2. From the 3–SET-UP MENU, choose the subfunction
7–MAINTENANCE SET-UP, then 1–CHEMCASS CTR.
3 – SET-UP MODE
7 – MAINT SET-UP
1 – CHEMCASS CTR
The display shows:
COUNTER ENABLED
3. Press CURSOR ARROW RIGHT to toggle between enabling
and disabling the Chemcassette
®
counter.
4. Press ENTER to save the selection and return to the
Maintenance Set-Up menu.
7.8.2 Internal Filter Timer (3.7.2)
Purpose
Use the internal filter timer to:
• Enable/disable a display during Load Chemcassette
®
(see
) that indicates the number of days remaining
before internal filter replacement is required
• Define the number of days, from 30 to 365, before filter
replacement is required
See
for information on displaying the system configuration,
which shows the amount of days.
Instructions
1. Press PROGRAM to exit Monitor Mode.
2. From the 3–SET-UP MENU, choose the subfunction
7–MAINTENANCE SET-UP, then 2–INT. FILTER TIME.
3 – SET-UP MODE
7 – MAINT SET-UP
2 – INT FILTER TIME
The display shows:
INT FILTER 000 DAYS
The cursor flashes over the first zero. The default is 000, which
indicates that the timer is disabled.
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