skcinc.com
Form 37165 Rev 200217
Page 10
Options/Modes during Sampling
Screen Lock
—
Prevents the pump from being stopped by an accidental touch during sampling.
To lock the screen, press the pump on/off button while the pump is running. The screen locked indicator will be
displayed on the screen and the screen will dim (
right
).
To unlock the screen, press the pump on/off button again. The indicator will
disappear, and backlighting will be restored.
Fault
Mode
—
Occurs
when the pump cannot compensate due to insufficient
battery charge, overloaded sample media, or kinked tubing.
Low battery:
•
Pump stops/powers off without warning (time varies with load)
•
Elapsed time from sampling run is retained
•
Charge the pump battery (
see Figure 2
).
•
Fault icon displays when the pump is turned on but will disappear during subsequent sampling.
Flow fault
—
If a fault is sustained longer than 15 seconds:
•
Pump status LEDs flash red
•
Pump stops running
•
Fault icon displays (
above right
)
•
Pump attempts auto-restart every 15 seconds up to 5 times. If flow is corrected during auto-restart, pump
will continue sample accumulation. If flow is not corrected during auto-restart, pump will stop and run time
will reset.
MAINTENANCE
Replacing the Battery Pack
Ensure that pump is turned off before removing the battery pack and that no tubing or media are
attached to the pump.
1. Turn the pump off by pressing the on/off button.
2. Remove the existing battery pack.
a. Use a 2.5-mm hex driver (Allen wrench) to loosen two screws on the bottom of the battery pack
housing.
b. Pull the battery pack housing away from the pump case.
c. If replacing the battery pack with a new Cat. No. P75718, dispose of the used battery promptly.
Do not disassemble the battery pack. Do not dispose of in fire. Dispose of used batteries promptly
according to all state and local recycling of waste regulations.
3.
Install a new battery pack or reinstall the existing battery pack.
a. Align the battery pack with the bottom of the pump case.
Note
: The connector on top of the battery
pack should align with the protruding power control board contacts on the bottom of the pump case.
b.
Press the two parts together until snug.
Note
: When the battery pack is attached, the pump screen
will display a 20-second countdown as the zero setting of the flow sensor is performed.
c. Use a 2.5-mm hex driver (Allen wrench) to tighten two screws on the bottom of the battery pack
housing. Tighten the screws in an alternating fashion.
d.
Charge the new battery pack completely before use; if reinstalling the existing battery pack, ensure
that it is charged to at least 25% (battery status icon upon startup shows two bars).
See Charging
the Battery Pack.
