32
Before operation
Before a long period of stoppage (one month or more)
Clean wet ends and the inside of tubing.
•
Run the pump with clean water for about 30 minutes to rinse chemicals off
from the pump head and piping.
Before unplugging the pump
•
Always stop the pump by key operation and wait for three seconds before
unplugging the pump. Otherwise, the last key operation may not be put in
memory. In this case the pump unintentionally starts to run as powered on,
discharging liquid.
When the pump does not transfer liquid at resuming operation.
•
Clean the valve sets and remove foreign matters.
•
If gas is in the pump head, expel gas and readjust a flow rate. See "Degas-
sing" on page 27 and "Flow rate adjustment" on page 30 for detail.