5 – 54 HEIDENHAIN Service Manual iTNC 530 HSCI
During machining the motors
(axes, spindle) coast out of
loop to a stop.
Defective braking resistor
(conversion of electrical
energy into heat energy not
possible)
Defective infeed/
regenerative feedback
module (energy recovery
not possible)
Interruption in the primary
supply (fuses, wires, etc.;
energy recovery not
possible)
Check the primary supply
(cables, fuses, terminals,
etc.)
Check the function of
inverter system and braking
resistor.
Check the wiring of the
inverter system; see circuit
diagrams of the machine
manufacturer.
See ”Power supply” on
page 18 – 243.
See "Service Manual for
Inverter Systems and
Motors".
During operation, the single-
processor iTNC 530 HSCI
slows down until it becomes
inoperable.
A defective USB unit is
connected to the control.
Disconnect all USB units
(e.g., touchpad) from the
control and reboot it.
Error Possible cause of error Measures for error
diagnosis and/or corrective
action
Descriptions in this manual
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