July 2010 4 – 51
Program
incomplete
Data transmission was interrupted with the
<END> key.
Transfer the program again.
Processor 1
temperature too
high
The temperature sensor on processor 1
(processor board) recognizes excessive
temperature.
Check the heat transfer in the electrical
cabinet
Check the fan of the logic unit.
See “Information Menu” on page 17 – 267.
See “Temperature monitoring” on page 3 –
674.
See “Temperature” on page 6 – 75.
Processor 2
temperature too
high
The temperature sensor on processor 2
(processor RTPC) recognizes excessive
temperature.
Check the heat transfer in the electrical
cabinet
Check the fan of the logic unit.
See “Information Menu” on page 17 – 267.
See “Temperature monitoring” on page 3 –
674.
See “Temperature” on page 6 – 75.
Exchange buffer
battery
The voltage of the buffer battery has
dropped below the minimum value.
Replace the buffer battery.
See “Buffer Battery” on page 17 – 264.
Ref mark <axis>:
incorrect spacing
During a reference-mark run on an encoder
with distance-coded reference marks a
distance of more than 1 000 grating periods
was covered without passing over a
reference mark.
Correct machine parameter MP 1350.
See “Encoder Interface” on page 18 – 277.
Traverse
reference points
In a part program block you attempted to
move an axis that has not yet traversed the
reference point.
Cross over the reference mark.
See “Reference Run” on page 19 – 317.
Relay: n.c. contact
open?
In the relay chain, the normally closed
contact of one or more relays is open.
Check the relay for proper function.
See “Checking the Enables on the iTNC
530” on page 16 – 229.
Nonvolatile PLC
data deleted
The code number 531210 was entered.
See “Non-Volatile PLC Markers and Words”
on page 11 – 136.
Excessive
following error in
<axis>
See "8BD0 Excessive servo lag in <axis>" See "8BD0 Excessive servo lag in <axis>".
Current to spindle
not equal to 0
T
he spindle motor is receiving current,
although i
ts inverter was switched off!
Inform your service agency.
See “Checking the Enables on the iTNC
530” on page 16 – 229.
See Service Manual Inverter Systems and
Motors.
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
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