HEIDENHAIN iTNC 530 Service Manual page 39

Error message Possible cause of error
Additional information and descriptions in
the manual
B900 CC%d The Vcc supply voltage (x) was out of range.
supply voltage %d
+4 = Undervoltage Vcc (+5 V)
Excessive load from external components
(e.g. encoders).
+6 = Overvoltage Vcc
(+5 V).
The power supply unit is defective.
+14 = Undervoltage Vcc (+15 V)
The power supply unit is defective.
+16 = Undervoltage Vcc (+15 V)
The power supply unit is defective.
-14 = Overvoltage Vcc
(-15 V).
The power supply unit is defective.
-16 = Overvoltage Vcc
(-15 V).
The power supply unit is defective.
BA00 CC%d The temperature inside the LE was out of
the permissible range. (-128... 0...+127 =
operating
Measured temperature value [°C] )
temperature %d
Temperature sensor on PCB is defective.
Insufficient ventilation of the electrical
cabinet (fan defective).
The ambient temperature is too high or too
low.
C003 MC/CC%d Hardware error (quartz generator)
system clock
Software error
mismatch
C004 Undefined Software error
interrupt
Hardware error: Disturbance results in
internal interrupt
C005 Unknown Software does not fit the hardware.
hardware
Hardware defective
identifier
C007 DC-link Inverter defective
voltage too low
Line power interrupted
C00A PWM Hardware error: Triangular signal does not
oscillate or it oscillates at the wrong
triangular signal
frequency
error
July 2010
Measures for error diagnosis and/or
corrective action
Additional information and descriptions in
the manual
Measure supply voltage Vcc (x).
Vcc (+5 V) < +4.75 V Check encoder
connections.
Vcc (+5 V) > +5.50 V Exchange power
supply unit.
Vcc (+15 V) < +14.25 V Exchange power
supply unit.
Vcc (+15 V) > +16.50 V Exchange power
supply unit.
Vcc (-15 V) < -14.25 V Exchange power
supply unit.
Vcc (-15 V) > -16.50 V Exchange power
supply unit.
See "Power Supply" on page 17 – 251
Check the ventilation conditions.
See "Information Menu" on page 17 – 267
See "Annex: Monitoring Functions" on page
3 – 661
See "Temperature" on page 6 – 75
Exchange the drive control board or
processor board.
Check the software version.
Switch off the machine.
Switch on the machine.
Check the software version.
Check the grounding.
Check the software version.
Exchange drive control board.
Check your line power supply.
Check the inverter.
See Service Manual "Inverter Systems and
Motors"
Exchange drive control board.
Inform your service agency.
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