Ulvac DC-10, Operation Manual, Page: 64 / 88

DC Power
【
DC-10/DC-20
】
7. Troubleshooting
53
No. Symptom Possible cause Measure
24
E3E*
MODE MISMATCH Control method changed during out
put
Check if there is any change in output
control during output.
If the above changes do not occur, re
place the product.
25
The DC ON button is lit, but
there is no output
The output command is ON when
the output setting is 0.
Check the output settings.
If the output settings are entered corre
ctly and the symptom does not improv
e, replace the product.
26
Cannot RESET
setting error
Warning operation
Check if the control method and contr
ol mode match.
RESET is invalid for warning operatio
n. Automatically return.
27
Output is unstable
(1) At a constant 800V to 1500V
Outputting
(2) The voltage does not rise and
sways
(1) It may not have been ignited. We
will review the ignition voltage and ga
s pressure. Also, check if the Limit op
eration is set.
(2) Abnormal discharge cutoff may be
repeated. Review the ARC parameter
s.
28
USER I / O analog output
fluctuates and is unstable Impact of noise
Poor grounding environment
Noise may occur due to the grounding
and wiring of the equipment connecte
d to the USER I / O, or if the class
A is not grounded.
In this case, review the wiring environ
ment, connect the ferrite core, and im
prove the grounding environment.
29
The DC ON button is lit, but
there is no output The output command is ON when
the output setting is 0.
Check the output settings.
If the output settings are entered corre
ctly and the symptom does not improv
e, replace the product.
30
Do not output
setting error
Check if the control method and contr
ol mode match.