Komatsu 830E-AC Shop Manual page 405

EVENT
NUMBER DESCRIPTION
135/235 INVERTER, PHASE C+/C-
:01 alarm CP
:02 Cup fb not off
:03 phase C modl pos
:04 hold CP
:05 Cup fb not on
:06 Cup IGBT not on
:07 IGBT_PS_CP
136/236 INVERTER, PHASE C+
:02 Cup temp short
:03 Cup temp open
:04 Cup temp warm
:05 Cup temp hot
:06 Cup fb not off S
137/237 INVERTER, PHASE C-
:01 alarm CN
:02 Cdn fb not off
:03 phase C modl neg
:04 hold CN
:05 Cdn fb not on
:06 Cdn IGBT not on
:07 IGBT_PS_CN
138/238 INVERTER, PHASE C- (NR)
:02 Cdn temp short
:03 Cdn temp open
:04 Cdn temp warm
:05 Cdn temp hot
:06 Cdn fb not off S
141/241 INVERTER, PHASE C VOLTS
:01 V sensor phase C
:02 VC not ok
143/243 INVERTER, TACH 1 (NR)
:01 tach1 rate hi
:02 tach1 no input
:03 TACH_INTERMIT
144/244 INVERTER, TACH 1 (NR)
:01 tach1 one channel
145/245 INVERTER, TACH 2
:01 tach2 high rate
:02 tach2 no input
E02020 10/06
Table 3: DID PANEL FAULT CODES
(Codes Received from Inverter 1 & 2)
EVENT
RESTRICTION
Electrical Propulsion System Components
EVENT
Phase C positive IGBT did not turn off.
Phase C up feedback is not off.
Phase C positive module failed.
INV1 (INV2) off
Phase C positive and negative IGBTs are on (positive
turn on).
Phase C up feedback is not on.
Phase C positive IGBT did not turn on.
IGBT protective shutoff
Phase C up thermistor short
Phase C up thermistor open
None
Phase C up thermistor warm
Phase C up thermistor hot
Phase C up not off with enable/DC volts
Phase C negative IGBT did not turn off.
Phase C down feedback is not off.
Phase C negative module failed.
INV1 (INV2) off
Phase C positive and negative IGBTs are on (negative
turn on).
Phase C down feedback is not on.
Phase C negative IGBT did not turn on.
IGBT protective shutoff
Phase C down thermistor short
Phase C down thermistor open
None
Phase C down thermistor warm
Phase C down thermistor hot
Phase C down not off with enable/DC volts
INV1 (INV2) off Phase C voltage sensor failed.
Phase C voltage too high
Tach 1 high rate of change
INV1 (INV2) off
Tach 1 no frequency input
None
Tach 1 single channel operation
None Tach 2 high rate of change
Tach 2 no frequency input
DETECTION
INFORMATION
E2-21