July 2010 4 – 41
C330 Motor temp.
too high %.2s
Measured motor temperature is too high.
No temperature sensor
Motor encoder cable is defective.
Entry in motor table is incorrect.
Incorrect or defective temperature sensor
was installed.
Let the motor cool down.
Check the motor encoder cable.
Check the entry in the motor table.
Measure the temperature sensor.
See “Speed Encoders” on page 18 – 293.
See Service Manual Inverter Systems and
Motors.
See “Speed Encoders” on page 18 – 293.
See Service Manual Inverter Systems and
Motors.
C340 Unknown
counter compnt.
%.2s
Hardware defective
Motor encoder defective
Incorrect software version
Check the software version.
Operate the motor at another encoder input.
Exchange drive control board.
Axis module %.2s
not ready
No pulse release for the power axis module
Uz too high
5-V power supply too weak
Inverter not ready for operation
Motor control board defective
PWM cable defective
Noise pulses
Check the control and cabling of the pulse
release.
Check Uz.
If the power supply is not regenerative: Is
the braking resistor connected?
If the power supply is regenerative: Is the
energy recovery activated?
Check the grounding and shielding of the
cable.
Exchange the power module.
For P controls: Exchange the interface card
Exchange the motor drive control board.
See “Checking the Enables on the iTNC
530” on page 16 – 229.
See Service Manual Inverter Systems and
Motors.
C370 Angle error
motor enc. %.2s
Motor encoder defective
Motor encoder cable defective
Drive control board defective
Check the motor encoder and leads.
Exchange the motor control board.
See “Speed Encoders” on page 18 – 293.
C380 Motor %.2s
no
t controllable
Motor cables crossed (e.g. X with Y).
Motor encoder cables crossed
Phases connected incorrectly to motor
Motor encoder cable defective
Incorrect motor table entry (direction of
rotation)
Motor defective
I2t monitoring has responded.
Check the motor cabling.
Check motor and motor encoder cabling.
Check motor table entry.
Check I2t monitoring (MP2302.x).
See “Speed Encoders” on page 18 – 293.
See Service Manual Inverter Systems and
Motors.
See “Speed Encoders” on page 18 – 293.
See Service Manual Inverter Systems and
Motors.
C390 Error in 3-D
touch probe %.2s
Software error
Hardware error in drive control board
Exchange the motor drive control board.
Check the software version.
See “Touch Probe” on page 25 – 413.
Error message Possible cause of error Measures for error diagnosis and/or
corrective action
Additional information and descriptions in
the manual
Additional information and descriptions in
the manual