Jetter JM-204-480, User Manual, Page: 81 / 126

JetMove 204-480 9.2 Alarms
Jetter AG 81
9.2 Alarms
If the dot in the display is flashing, one or several warnings have been recognized.
Please check in the motion setup or by issuing the motion commands in the PLC
program which warning is active.
F 30 I²t error The average power
loss of the motor
was more than the
max. value
configured by
nominal motor
current, overload
factor and motor
time constant
Refer to “I²t
calculation",
page 39. – Immediate
motor power
disable
– Let the motor cool down
– After cooling down,
acknowledge the error
– Check the configuration
of nominal motor
current, overload factor
and motor time constant
– Reduce the average
load of motor
F 31 Motor overload
protection to UL Average motor
power loss was
higher than the
definition
according to UL.
See chapter 5.2.3
"Motor overload
protection
according to UL",
page 40 – Immediate
motor power
disable
– Let the motor cool down
– Acknowledge the error
– Reduce the average
load of motor
F 38 Asymmetric
encoder signal The analog sine-
cosine signals
have not got the
same amplitude. – Immediate
motor power
disable
– Check wiring or encoder
signals
– Acknowledge the error
F 39 Error at
commutation
finding Measuring the
commutation offset
could not be
completed with
results being
guaranteed. – Immediate
motor power
disable
– Check parametering
– Check wiring or encoder
signal
– Acknowledge the error
F 42 Malfunction of
encoder 2 (only
for the option
CNT) Encoder breakage
or initialisation
error of the
encoder – Immediate
motor power
disable
– Check the encoder line
and all plug-in
connections
– Acknowledge the error
Error Message Table JetMove 204-480
Error
number Error type Description Response to
errors Troubleshooting