GE VAT200 Quick Start Manual page 99

5.3 Quick troubleshooting of VAT200
series
VAT200 INV Fault
Is fault fully
understood?
YES
Symptoms other than burn
out, damage, or fuse meltdown in
the inverter?
YES
Abnormal
signal?
Check according to displayed
abnormal messages
Visually check controller and
driver boards
Any abnormalities in
appearances?
Apply the power
Are displays and
indicators of the
operating unit working
normally?
YES
Any abnormal
display?
Any abnormal
display?
What's the
message?
3 abnormal values
in 15-2
Check 3 abnormal values of 15-2
with ▼key.
*
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NO
NO
symptoms of burn
out and damage?
NO
Is the main circuit
DM intact?
YES
Is the fuse
YES
Is the main circuit
I.G.B.T intact?
YES
YES
有
Replace the abnormal boards
NO
NO
YES
Is the DC input voltage
controlling the power
Is +5V control
voltage correct?
Replace control board and
digital operating unit
Is the error eliminated
after replacing control
5-7
Chapter 5 Troubleshooting and maintenance
Any
YES
NO
NO
intact？
NO
Is LED lit? NO
NO
correct
YES
NO
YES
NO
board?
YES
Check burnt and damaged
parts
Replace DM
Replace fuse
Replace I.G.B.T
Replace the burst absorber
Check terminals and wiring
Replace the driver board
The inverter faults
Perform detailed check