Komatsu 830E-AC Shop Manual page 400

EVENT
NUMBER DESCRIPTION
103/203 INV I/O CARD (NR)
:24 DB chopV too hi
:25 VA VCO hi
:26 VB VCO hi
:27 VC VCO hi
:28 VA volts too hi
:29 VB volts too hi
:30 volt scale C flt
:31 VC volts too hi
104/204 FIBER OPTIC CARD
:01 fo ps low
:02 fo card disable
:03 fo card enable
105/205 POWER SUPPLY CARD
:01 P5V not ok
:02 P15V not ok
:03 N15V not ok
:06 P24V not ok
:07 N24V not ok
106/206 DC WIRING
:01 DC pwr conn open
:02 link V phase V mismatch
107/207 GDPS FAILURE
:01 gate dr ps off
:02
gate dr ps off S
:03
multiple IGBT not off S
109/209 LINK VOLTS SENSOR
:01 linkV sensor flt
111/211 INPUT VOLTS SENSOR
:01 Vfil not ok
E2-16
Table 3: DID PANEL FAULT CODES
(Codes Received from Inverter 1 & 2)
EVENT
RESTRICTION
Electrical Propulsion System Components
EVENT
DB chopper voltage too positive
High frequency on VCO VA channel
High frequency on VCO VB channel
None High frequency on VCO VC channel
VA voltage too positive
VB voltage too positive
Scale C volts out of range 70%, 120%
VC voltage too positive
Fiber optic power supply monitor
INV1 (INV2) off
Fiber optic card disabled
Fiber optic card enabled and no dir
+5 volt not in tolerance
+15 volt not in tolerance
INV1 (INV2) off
-15 volt not in tolerance
+24 volt not in tolerance
-24 volt not in tolerance
INV1 (INV2) off DC power connection is open.
Link and phase voltage are mismatched.
No power to gate drive power supply or it failed
SYS Event
No power to gate drive power supply or it failed with
INV1 (INV2) off
enable/DC volts
Multiple IGBTs not off with enable/DC volts
INV1 (INV2) off
Link voltage sensor failed
INV1 (INV2) off
Filter voltage outside limits
DETECTION
INFORMATION
10/06 E02020