GE IC3645SP4U400N3, IC3645SR4U404N2 operation manual Symptom

DIAGNOSTIC STATUS CODES

SX TRANSISTOR CONTROL

TRACTION	DESCRIPTION OF STATUS
STATUS CODE
-77	Motor current is detected during
	regenerative braking.
MEMORY RECALL	CORRECTIVE ACTIONS
YES
	SYMPTOM
Circuits valid	Line contactor opens and closes, then
	opens and can only close by opening and
for	closing the key switch.
Traction	POSSIBLE CAUSE
Controller
	Defective control.
	• Replace controller unit

Page 40

CAUSE OF STATUS INDICATION

This status code will be displayed when motoring current is detected during the regenerative braking cycle.

TROUBLE-SHOOTING DIAGRAM

				BRAKE SW.
FU5	P2 KEY SWITCH P1			SEATSW.	STARTSW.	FOR.SW.	REV. SW.
FU7			SP
	TO	P5
			L
FU6	ACCESSORIES	P4
	P3
	PY7					P4
	PY12 P18		P17 P1 P2	P6	P3		P5
	PY10		OSCILLATOR CARD		P7	P10 P9 P12 P8
	PY11		LEFT CONTROL
LINE FU1
							STEER
FU2							ANGLE
					ACC POT		POT

+	FU4								BDI INTERRUPT
	P
		POS	A1	F1	FIELD	ARMATURE	NEG	A2	F2	FIELD	ARMATURE
-			POWER
							POS	A1	F1
	SP	CONNECTIONS					POWER
		LEFT CONTROL					CONNECTIONS
		NEG	A2	F2			RIGHT CONTROL
P	SP

TRACTION	DESCRIPTION OF STATUS
STATUS CODE
-82	When armature motor current is greater
	than 400 amps for more than 3.5 sec the
	armature motor current will be turned off.
MEMORY RECALL	CORRECTIVE ACTIONS
NO
	SYMPTOM
Circuits valid	The Control will not operate, and can only
	be reset by cycling the key switch.
for
Traction	POSSIBLE CAUSE:
Controller	• Continued operation of vehicle in high
	motor current condition
	• Operating control at stall motor current
	for more than 3.5 seconds.
	• Function 16 is incorrectly adjusted for
	control % on time.
	- Adjust function per OEM
	instructions

CAUSE OF STATUS INDICATION

This status code will be displayed when the armature motor current exceeds 400 amps for 3.5 sec and the accelerator pedal is calling for maximum performance.

TROUBLE-SHOOTING DIAGRAM

				BRAKE SW.
FU5	P2 KEY SWITCH P1			SEATSW.	STARTSW.	FOR.SW.	REV. SW.
FU7			SP
	TO	P5
			L
FU6	ACCESSORIES	P4
	P3
	PY7					P4
	PY12 P18		P17 P1 P2	P6	P3		P5
	PY10		OSCILLATOR CARD		P7	P10 P9 P12 P8
	PY11		LEFT CONTROL
LINE FU1
							STEER
FU2							ANGLE
					ACC POT		POT

+	FU4								BDI INTERRUPT
	P
		POS	A1	F1	FIELD	ARMATURE	NEG	A2	F2	FIELD	ARMATURE
-			POWER
							POS	A1	F1
	SP	CONNECTIONS					POWER
		LEFT CONTROL					CONNECTIONS
		NEG	A2	F2			RIGHT CONTROL
P	SP

January 2000