Komatsu 930E-2 Shop Manual page 158

EVENT
DESCRIPTION
NUMBER
102/202 INV I/O CARD
: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
: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
E2-14
TABLE III: DID PANEL FAULT CODES
(Codes Received From Inverter 1, 2)
EVENT
EVENT
RESTRICTION
No power
No power
No power
No power
No power
No power
No power
No power
No power
No power
No power
No power
No power
No power
No power
No power
No power
No power
No power
No power
No power
No power
No power
No power
No power
No power
No power
No power
No power
No power
No power
Electrical Propulsion System Components
DETECTION
INFORMATION
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
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
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
Limp Lockout
Possible Limit
E02014 3/01