WiT WIT-601A, User Manual

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Chapter 9 Routine check

In routine use, please perform routine maintenance and check according to the following
table:
Checkpoints Check procedure
Check
stage
Cracks, broken,
deformed

Check whether the housing of WIT-601 series infusion pump is intact, whether
cracks, broken and deformed exist.
Before use
AC status and AC
alarm

Boot and do not connect AC, the icon“ ” flashes and accompanies light-sound
alarm, by this moment connect AC, if the icon
appears, the AC supply is
normal, if not, the AC supply is abnormal.
boot
Finger-type
peristaltic pump

Correctly install infusion pump and clip infusion set, then boot.

Press “start” to start infusion. Check whether liquid drops or not, and check
whether the finger-type peristaltic pump turns abnormally.
In use
Bubble alarm

After booting, have not installed IV Set, but “bubble” alarms.

Install IV Set with liquid, close door, press “clear”, “bubble” alarm flash should
disappear.
In use
Pump door and
flow clip

Correctly install infusion pump and clip infusion set, then boot.

Open pump door, door-open alarms, and no liquid drops.

Close pump door and press “clear” key, door-open alarm disappears, and no
liquid drops.
Before boot
Drop sensor

Correctly install infusion pump and clip infusion set, then boot.

Start infusion and observe when every liquid drop drops, drop sensor would flash
one time.
In use
Abnormal drop
sensor

Take out drop sensor in process of infusion, stop infusion, prompting “drop
sensor falls off”.
Periodically
Occlusion alarm

Correctly install infusion pump and clip infusion set, then boot.

Set infusion rate 100ml/h, occlude manually the bottom infusion set after 5
minutes, and then stop infusion after about 1 minute, “down occlusion”
sound-light alarms.
Periodically
Infusion
accuracy
 Correctly install infusion pump and clip infusion set, then boot, purge the bubbles
inside infusion set.

Set rate to 90ml/h, VTBI to 15ml, start infusion, measure the liquid
volume flowed out from machine with a measuring cup.

Check whether the liquid volume flowed out is within 15ml±5%.
Periodically
note
：
Carry out the above checks in specified using phase or check stage, if find error, please stop use and contact supplier as soon
as possible.