Komatsu 830E-AC Shop Manual page 395

EVENT
NUMBER DESCRIPTION
036 GY19 GRID BLOWER FAILURE
:01 blower 1 stall
:02 blower 2 stall
:03 blower 1 open
:04 blower 2 open
:05 blower 1 & 2 delta too large
037 COMPUTER POWER SUPPLY
:01 VOLTS 5 POS
:02 VOLTS 15 POS
:03 VOLTS 15 NEG
040 VOLTS 24 POS
041 VOLTS 24 NEG
042 DIRECTION SELECTED IN LOAD BOX MODE
043 DRIVE SYSTEM BATTERY LOW
044 DRIVE SYSTEM BATTERY HIGH
045 CHOPPER OPEN CIRCUIT
:01 chopper 1
:02 chopper 2
046 RETARD SHORT CIRCUIT
047 ENGINE STALL
048 SHORTED DC LINK
051 TACH LEFT REAR
:01 zero output with truck moving
:02 high output with truck stopped
052 TACH RIGHT REAR
:01 zero output with truck moving
:02 high output with truck stopped
053 TACH LEFT FRONT
:01 zero output with truck moving
:02 high output with truck stopped
054 TACH RIGHT FRONT
:01 zero output with truck moving
:02 high output with truck stopped
E02020 10/06
Table 2: DID PANEL FAULT CODES
(Codes Received from PSC)
EVENT
RESTRICTION
Speed limit & engine
Electrical Propulsion System Components
EVENT
No power A grid blower has failed.
+5V power supply is out of limits.
+15V power supply is out of limits.
Speed limit
-15V power supply is out of limits.
+24V power supply is out of limits.
-24V power supply is out of limits.
Selector switch moved to FORWARD or REVERSE
No propel
during self load.
Speed limit Battery volts are below limit.
None Battery volts are above limit.
Open circuit in a chopper
Speed limit Open circuit in chopper 1
Open circuit in chopper 2
Failure during chopper self test. Link voltage decayed too
quickly when AFSE command set low, prior to starting
speed
test.
No power An engine stall condition has occurred.
No power DC link short detected at startup.
Input from M1 sensor is out of tolerance.
Zero output from sensor with front wheels moving, brake
INV1 disable released.
High output from sensor with all other wheel speeds at
zero.
Input from M2 sensor is out of tolerance.
Zero output from sensor with front wheels moving, brake
INV2 disable released.
High output from sensor with all other wheel speeds at
zero.
Input from left front wheel sensor is out of tolerance.
Zero output from sensor with rear wheels moving, brake
SYS Event released.
High output from sensor with all other wheel speeds at
zero.
Input from right front wheel sensor is out of tolerance.
Zero output from sensor with rear wheels moving, brake
SYS Event released.
High output from sensor with all other wheel speeds at
zero.
DETECTION
INFORMATION
E2-11