Komatsu 830E Shop Manual page 167

NOTE: The information listed under "Event Values" provides additional detail for each event and is described as
follows:
Decay Time . . . . . . . . . How long events are held in "active count" memory (in seconds).
Lock Limit . . . . . . . . . . Operator cab reset is disabled when lock limit is reached within decay time.
Acceptable Limit: . . . . . Maximum number of occurrances of an event code which can be recorded in FL275.
Window Limit: . . . . . . . Maximum number of an event with 51 frame windows.
EVENT EVENT
CODE DESCRIPTION
Reset All
00
(no events dis-
played)
Low level ground
01
fault
High Level
02
Ground Fault
08
Pedal Accel
09
Pedal Retard
10
GF Contactor
11
GFR Relay
E02016 2/02
TABLE I. 2-DIGIT DISPLAY PANEL CODES
EVENT RESTRICTION
None
System Event
• ACCEL: No propel and turn
on SYSFLT light.
• In RETARD: Turn on SYS-
FLT light only.
System Event
• In ACCEL: No propel and
turn on SYSFLT light.
• In RETARD: Turn on SYS-
FLT light only.
System Event
• Turn on SYSFLT light only.
System Event
• Turn on SYSFLT light only.
System Event
• In ACCEL: No propel and
turn on SYSFLT light.
• In RETARD: Turn on SYS-
FLT light only.
System Event
• In ACCEL: No propel and
turn on SYSFLT light.
• In RETARD: Turn on SYS-
FLT light only.
Electrical Propulsion Components
DETECTION
Decay
INFORMATION
Used to reset all events
A ground fault is detected if
leakage current to ground
(truck chassis) exceeds 114
ma.There is a 0.2 second
delay on shutdown. In the
following order, check for:
Moisture in motors, grids,
power cables, motor flash,
insulation failure in power
circuit, defective FB102/140
card.
A ground fault is detected if
leakage current to ground
(truck chassis) exceeds 400
ma.There is a 0.05 second
delay on shutdown. Same
checks as No. 01.
Incorrect accelerator output.
Incorrect retard pedal out-
put.
GF Contactor command and
feedback do not agree.In the
following order, Check for:
welded tips, blocked arma-
ture, defective coil or posi-
tion sensor, loose wiring
connections, mechanical
obstruction, defective FB104
card.
GFR Relay command and
feedback do not agree.
Check for: Same as No. 10.
EVENT VALUES
Lock Accept Window
Time Limit Limit
1800 5 20
N/A 1 1
3600 3 10
3600 3 10
3600 3 10
N/A 1 20
Limit
5
1
2
2
2
5
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