Replacing the device fuse
➨ Switch off the pump.
➨ Disconnect the electrical power cord before un-
Pumps NT VARIO
➨ Unscrew the fuse holder using a slotted screw driver.
➨ Replace the defective fuse by a fuse of the same type (see "Technical
data", pg. 26). Reassemble holder with fuse to the pump.
PC 300x VARIO
➨ Keep the snap-fit squeezed and pull the fuse holder out.
➨ The fuse holder contains two fuses of the same type. Replace the de-
fective fuse by a fuse of the same type (see "Technical data", pg. 26).
➨ Insert the fuse holder into the housing of the pumping unit until it snaps.
page 121 of 129
screwing the fuse holder.
Identify and eliminate the cause of failure before switch-
ing on the pump again.
fuse holder
fuse holder
Pumps VARIO-B /
PC 301x VARIO