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Failure
Product does not
start
Supply is OK but no
control voltage
Grinder motor does
not start when the
start button is
pushed on HMI or
when start switch is
on (when applicable
depending type)
54
Cause
No power supply.
Incorrect voltage.
Battery voltage too
low.
EM-stop activated.
No control Voltage.
Drive not RDY or in
Fault
Check
Do a check if the supply cable
is connected in the wall
socket/generator.
Do a check of the main switch
(when applicable).
Do a check of supply voltage.
Do a check of voltage relays
(when applicable).
Battery voltage, must be at
least 47 V.
Do a check if the EM-stop is
pushed in.
Do a check of the circuit
breakers.
Error message in frequency
drive (also refer to drive
manual).
Action
Connect the cable.
Set the main switch to on
(when applicable).
Do a check of voltage
relays switch (when
applicable).
Let an electrician do a
check if there is sufficient
voltage on terminals.
Do a check if battery
loader is loading the
batteries.
Turn the knob to stop.
Reset circuit breakers
when they are off.
Do a check of the fault
message and follow the
steps from a drive manual.
If it is "STO" or "PWR" (it
depends on type) it means
there is no 24 Vdc to these
inputs. Do a check of EM-
stop circuit (refer to
above).
21.07.2023
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