STEPCRAFT MM-800 - 7 Troubleshooting

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7 Troubleshooting
Danger
Determining the causes for existing defects and eliminating these always
requires increased attention and caution. Pull the mains plug beforehand!
Some of the most frequent defects and their causes are listed in the following chart. If case of other defects,
please contact your dealer or the STEPCRAFT customer service directly.
Defect
Cause
Elimination
Power tool cannot be switched on.
The setting wheel does not light
up.
No mains voltage
Check power supply
Mains fuse is defective
Replace mains fuse
Power tool cannot be switched on.
The setting wheel lights up in blue
(BU).
Carbon brushes are worn
Take power tool to the
STEPCRAFT customer service
Power tool stops during operation.
The setting wheel does not light
up.
Mains failure
Check mains back-up fuses
Power tool stops during operation.
The setting wheel lights up in red
(RD).
Overload protection was triggered
Switch off the power switch.
Clear the working spindle
before initial operation
Switch on the power switch
and continue operation with
reduced load/feed rate.
Speed cannot be adjusted at the
setting wheel.
Power tool is in portal mode
Switch off the power supply of
the PV interface.
Remove the external
connection of the PV
connection.
Speed cannot be controlled via
the PV interface.
Power supply of the PV interface
is missing / is inadequate
Switch on the power supply of
the PV interface in accordance
with the specification
Contacting to the portal connector
is insufficient
Check contacting
PV control cable is defective
Replace the PV control cable
Assignment of the PV interface is
incorrectly connected with the
portal system
PV-Steuerkabel gemäß Kapitel
„Belegung Portalstecker“
anschließen