Komatsu 830E-AC Shop Manual page 399

EVENT
NUMBER DESCRIPTION
102/202 INV I/O CARD (FB172)
:05 gnd not ok
:08 no IO card
:09 eoc not working
:10 DB no brake
:11 ptf A signal
:12 ptf B signal
:13 ptf C signal
:14 IC zero not ok
:15 IC not ok
:16 ptl not ok
:17 cur measure not ok
103/203 INV I/O CARD (NR)
:01 chop 1 cmd not off
:02 chop 2 cmd not off
:03 chop 1 cmd not on
:04 chop 2 cmd not on
:05 volt scale A flt
:06 volt scale B flt
:07 link V scale flt
:08 current scale A flt
:09 current scale B flt
:10 input V scale fit
:11 V test VCO high
:12 V test VCO low
:13 IA VCO hi
:14 IB VCO hi
:15
link V VCO hi
:16
infilV VCO hi
:17 IA too high
:18 IA too low
:19 IB too high
:20 IB too low
:21 link V too hi
:22 infilV too hi
:23 DB chop VCO hi
E02020 10/06
Table 3: DID PANEL FAULT CODES
(Codes Received from Inverter 1 & 2)
EVENT
RESTRICTION
Electrical Propulsion System Components
EVENT
Logic ground not OK
Could not access I/O card
A/D conversion did not work.
DB on too long while not braking
Phase A overcurrent signal too long
INV1 (INV2) off
Phase B overcurrent signal too long
Phase C overcurrent signal too long
Current IC not zero at start up
C phase current too high
Protective turn off circuit not OK
Phase A and B currents do not match.
Chopper 1 command not off
Chopper 2 command not off
Chopper 1 command not on
Chopper 2 command not on
Scale A volts out of range 70%, 100%
Scale B volts out of range 70%, 100%
Link V scale out of range 70%, 100%
Scale A current out of range 70%, 100%
Scale B current out of range 70%, 100%
Input V scale out of range 70%, 100%
High frequency on VCO Vtest channel
None
Low frequency on VCO Vtest channel
High frequency on IA channel
High frequency on IB channel
High frequency on VCO link filter V channel
High frequency on VCO in filter V channel
IA current too positive
IA current too negative
IB current too positive
IB current too negative
Link voltage too positive
Input filter voltage too positive
High frequency on VCO DB chopper channel
DETECTION
INFORMATION
E2-15