HEIDENHAIN ITNC 530 - Page 42

4 – 42 HEIDENHAIN Service Manual iTNC 530
C3A0 Incorrect
ref. position %.2s
 Incorrect motor selected (MP2200)
 Grounding error on motor encoder cable
(disturbance on reference signal line)
 Motor encoder defective
 Check the motor selection (MP2200)
 Check the cabling of the motor encoder
(grounding).
 Exchange the motor.
 See “Speed Encoders” on page 18 – 293.
C3B0 Motor
%.2s: is not
turning
 Inverter is not ready for operation.
 Disturbance on RDY input of PWM output
connector
 Motor jammed
 Inverter defective
 Motor defective
 Incorrect motor selected (MP2200.x).
 Assignment of PWM outputs incorrectly
entered in MP120.x.
 Assignment of encoder inputs incorrectly
entered in MP112.x
 Motor power cables crossed
 Motor encoder cables crossed
 Motor connection defective
 I2T monitoring is responding
 Check the inverter.
 Check the motor and cabling.
 Check the machine parameters.
 Check I2t monitoring (MP2302.x).
 See “Sequence for Finding Errors in the
Control Loop” on page 6 – 62.
 See Service Manual Inverter Systems and
Motors.
C3C0 Motor
current %.2s too
high
 Incorrect current controller parameters.
 Incorrect parameters in the motor table.
 Power module defective.
 Motor cable defective.
 Motor defective.
 Motor control board defective.
 Correct motor and power module selected?
 Check the current control adjustment.
 Check the motor and motor cable for a short
circuit.
 Exchange the power module or drive control
board.
 See “Sequence for Finding Errors in the
Control Loop” on page 6 – 62
 See Service Manual Inverter Systems and
Motors
C3D0 PWM
component
defective %.2s
 An internal hardware error has occurred.  Infor
m your service agency.
 Exchange dr
ive control board.
C3E0 Err. in rated
U of motor %.2s
 Motor rated voltage outside of permitted
input range
 Check the entry in the motor table.
C3F0 EnDat not
found <axis>
 Connected EnDat encoder or encoder cable
is defective.
 EnDat communication error
 Check the motor table (column SYS).
 Exchange the motor drive control board.
 Check speed encoder cable (defective or too
long).
 Check speed encoder.
 Check the grounding and shielding of the
cable.
 See “Speed Encoders” on page 18 – 293.
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