2
Warning
A warning is displayed automatically
under
C067.
During
a warning
the
Signal
“ready” is removed, however, the Operation of the
frequency controller is not interrupted.
Reset of the warning:
Press SH + PRG
or
activate
the
input
TRIP
met.
List of warnings
Display on Display on Fault
Cause
keypad
host
UV51
203
Overheat PTC Motor is overheated
input PTC connecting cable
interrupted
Remedy
Check dimensioning of the drive
Check PTC connection
w91
241
PTC input open
External fault Signal via digital input “fault
Check external act. value
indication”
Incorrect programming of the
input “fault indication”
Source
Check programming of the input
“fault indication”
3
Monitoring
A monitoring indication
Causes
a pulse inhibit and is displayed on
the keypad.The keys are out of
Order.
Pulse inhibit is automatically
reset when the DC bus voltage has reached again its permissible
vlaue.
List of monitoring indications
Display on Fault
keypad
LU Low voltage
ou
Overvoltage
Cause
Mains voltage is too low
Mains voltage is too high
Creeping
earth
fault on the motor
side
I
I
Remedy
Check mains voltage
Check mains voltage
Increase deceleration times,
when using a brake
chopper,
check dimensioning and
connection of the brake
resistor,
increase deceleration times
Check motor cable and motor for
earth
fault (disconnect motor and
controller)
150
-
lenze
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