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fuse holder
➨
Unscrew the fuse holder using a slotted screw driver.
➨
Replace the defective fuse by a fuse of the same type (see “Technical
data”, pg. 25). Reassemble holder with fuse to the pump.
MD 4 NT VARIO /
MV 2 NT VARIO
MV 10 VARIO-B
Replacing the device fuse
➨
Switch off the pump.
➨
Disconnect the electrical power cord
before un-
screwing the fuse holder.
Identify and eliminate the cause of failure before switch-
ing on the pump again.