Vacon CX Service Manual

TROUBLESHOOTING Service Manual M4 - M10
11.07.2002 Page 29
F9
Check parameters in groups 1 and 6
Set values of parameters to comply with nature
of application
F9 UNDER VOLTAGE
Parameter
settings OK
Measure voltage in DC-bus. Compare actual
voltage to monitored value on page v7
Fault was generated by external factor:
- line voltage -15% of nominal, set by parameter
- line dips
- features of the load
-blown input fuses
Or internal factor:
-faulty rectifier
Check the voltage measuring circuit according to
instructions on section 7.3.2.4. Replace
defective parts as recommended and listed in
spare part lists
Clear fault memory
NO
YES
Actual value =
Monitored value
Make corrections to parameter settings
NO
YES

Vacon CX Specifications

General

Brand	Vacon
Model	CX
Category	Media Converter
Language	English