
10
Malfunctions
General information
Operating Instructions – EDR..71 – 315, EDRN63 – 315
216
10
Malfunctions
10.1
General information
WARNING
Risk of injury if the drive starts up unintentionally.
Severe or fatal injuries.
•
Before you start working on the unit, disconnect the motor and all connected op-
tions from the power supply.
•
Secure the motor against unintended power-up.
CAUTION
The surfaces on the drive can be very hot during operation.
Risk of burns.
•
Let the motor cool down sufficiently before you start working on it.
NOTICE
Improper troubleshooting measures may damage the drive.
The drive system might be damaged.
•
Use only genuine spare parts in accordance with the valid parts list.
10.2
Motor malfunctions
Fault
Possible cause
Measure
Motor does not start up Supply cable interrupted
Check the connections and (intermediate) ter-
minal points, correct if necessary
Brake does not release
See "Brake malfunctions"
Supply cable fuse has blown
Replace fuse
Motor protection (switch) has
triggered
Check that the motor protection (switch) is set
correctly; current specification is on the name-
plate
Motor protection does not trip
Check motor protection control
Malfunction in control or in the
control process
Observe the switching sequence; correct if
necessary
25896334/EN – 06/2019
Содержание EDR200
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