Komatsu 830E-AC Shop Manual page 403

EVENT
NUMBER DESCRIPTION
119/219 INVERTER, PHASE A-
:01 alarm AN
:02 Adn fb not off
:03 phase A modl neg
:04 hold AN
:05 Adn fb not on
:06 Adn IGBT not on
:07 IGBT_PS_AN
120/220 INVERTER, PHASE A- (NR)
:02 Adn temp short
:03 Adn temp open
:04 Adn temp warm
:05 Adn temp hot
:06 Adn fb not off S
121/221 INVERTER, PHASE A CURR
:01 I sensor ph A
:02 IA zero not ok
:03 IA not ok
:04 I snsr ph A open
:05 I snsr ph A short
123/223 INVERTER, PHASE A VOLTS
:01 V sensor phase A
:02 VA not ok
125/225 INVERTER, PHASE B+/B-
:01 alarm B
:02 PTF B
:03 IGBT_SAT_BP
:04 IGBT_SAT_BP
126/226 INVERTER, PHASE B+
:01 alarm BP
:02 Bup fb not off
:03 phase B modl pos
:04 hold BP
:05 Bup fb not on
:06 Bup IGBT not on
E02020 10/06
Table 3: DID PANEL FAULT CODES
(Codes Received from Inverter 1 & 2)
EVENT
RESTRICTION
Electrical Propulsion System Components
EVENT
Phase A negative IGBT did not turn off.
Phase A down feedback is not off.
Phase A negative module failed.
INV1 (INV2) off
Phase A positive and negative IGBTs are on (negative
turn on).
Phase A down feedback is not on.
Phase A negative IGBT did not turn on.
IGBT protective shutoff
Phase A down thermistor short
Phase A down thermistor open
None
Phase A down thermistor warm
Phase A down thermistor hot
Phase A down not off with enable/DC volts
Phase A current sensor failed.
Current IA not zero at startup
INV1 (INV2) off
Phase A current too high
Phase A current sensor open
Phase A current sensor short
INV1 (INV2) off Phase A voltage sensor failed.
Phase A voltage too high
Phase B IGBT did not turn off
INV1 (INV2) off Overcurrent on phase B
IGBT saturated
IGBT saturated
Phase B IGBT did not turn off.
Phase B up feedback is not off.
Phase B positive module failed.
INV1 (INV2) off
Phase B positive and negative IGBTs are on (positive
turn on).
Phase B feedback is not on.
Phase B positive IGBT did not turn on.
DETECTION
INFORMATION
E2-19