KFU 2-/4-
234
Heat Sink
Code
Meaning
00
Heat sink temperature too high, check cooling and fan.
F02
01
Temperature sensor defective or ambient temperature too low.
Inside
00
Inside temperature too high, check cooling and fan.
F03
01
Inside temperature too low, check electrical cabinet heating.
Motor Connection
00
Motor temperature too high or sensor defective, check connection
S6IND.
01
Motor protection switch tripped, check drive.
02
V-belt monitoring reports no load on the drive.
F04
03
Phase failure, check motor and wiring.
Output current
00
Overloaded, check load situation and ramps.
03
Short circuit or earth fault, check motor and wiring.
04
Overloaded, check load situation and current value limit controller.
05
Asymmetric motor current, check current and wiring.
06
Motor phase current too high, check motor and wiring.
F05
07
Message from phase monitoring, check motor and wiring.
DC –Link Voltage
00
DC link voltage too high, check deceleration ramps and connected
brake resistor.
01
DC link voltage too low, check mains voltage.
02
Power failure, check mains voltage and circuit.
03
Phase failure, check mains fuses and circuit.
04
Reference DC link limitation
680
too small, check mains voltage.
05
Brake chopper
Trigger threshold
506
too small, check mains voltage.
F07
06
Motor chopper
Trigger threshold
507
too small, check mains voltage.
Electronics voltage
01
Electronics voltage DC 24 V too low, check control terminal.
F08
04
Electronics voltage too high, check wiring of control terminals.
Output frequency
00
Output frequency too high, check control signals and settings.
F11
01
Max. frequency reached by control, check deceleration ramps and con-
nected brake resistor.
Brake chopper
F10
10
Brake Chopper Overcurrent; refer to chapter 17.4 “Brake Chopper and
Brake Resistance”.
Safety function STO
01
Diagnosis error of function STO; at least one of the shut-down paths
STOA and STOB is defective. Check units connected to shut-down
paths; check cabling and EMC.
04
Software self-diagnosis has detected an internal error. Parameter
Error
environment 1
262
describes the cause of the error. Consult your sup-
pliers customer service.
F12
05
Fault message of 5-second monitoring. Shut-down paths STOA and
STOB were not actuated at the same time, but with an offset of more
than 5 seconds. Check addressing of shut-down paths or control of
protective circuitry.