Komatsu 930E-2 Shop Manual page 165

EVENT
DESCRIPTION
NUMBER
127/227 INVERTER, PHASE B+
:02 Bup temp short
:03 Bup temp open
:04 Bup temp warm
:05 Bup temp hot
:06 Bup fb not off S
128/228 INVERTER, PHASE B-
:01 alarm BN
:02 Bdn fb not off
:03 phase B modl neg
:04 hold BN
:05 Bdn fb not on
:06 Bdn GTO not on
:07 IGBT_PS_BN
129/229 INVERTER, PHASE B-
:02 Bdn temp short
:03 Bdn temp open
:04 Bdn temp warm
:05 Bdn temp hot
:06 Bdn fb not off S
130/230 INVERTER, PHASE B CURR
:01 I sensor ph B
:02 IB zero not ok
:03 IB not ok
:04 I snsr ph B open
:05 I sensr ph B short
132/232 INVERTER, PHASE B VOLTS
:01 V sensor phase B
:02 VB not ok
134/234 INVERTER, PHASE C+/C-
:01 alarm C
:02 PTF C
:04 IGBT_SAT_CP
:05 IGBT_SAT_CN
E02014 3/01
TABLE III: DID PANEL FAULT CODES
(Codes Received From Inverter 1, 2)
EVENT
EVENT
RESTRICTION
No Propel
No Propel
No Propel
No Propel
No Propel
No Power
No Power
No Power
No Power
No Power
No Power
No Power
No Propel
No Propel
No Propel
No Propel
No Propel
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
Phase B up thermistor short
Phase B up thermistor open
Phase B up thermistor warm
Phase B up thermistor hot
Phase B up not off with enable/DC
volts
Phase B negative GTO did not turn off
Phase B down feedback not off
Phase B negative module failed
Phase B positive and negative GTOs
on (negative turn on)
Phase B down feedback not on
Phase B negative GTO did not turn on
IGBT protective shutoff
Phase B down thermistor short
Phase B down thermistor open
Phase B down thermistor warm
Phase B down thermistor hot
Phase B down not off with enable/DC
volts
Phase B current sensor failed
Current IB not zero at startup
Phase B current too high
Phase B current sensor open
Phase B current sensor short
Phase B voltage sensor failed
Phase B voltage too high
Phase C GTO did not turn off
Overcurrent on phase C
IGBT saturated
IGBT saturated
Limp Lockout
Possible Limit
E2-21