GE IC3645SR4U404N2, IC3645SP4U400N3 operation manual KEY Negative

DIAGNOSTIC STATUS CODES

SX TRANSISTOR CONTROLPage 23

TRACTION	DESCRIPTION OF STATUS	CAUSE OF STATUS INDICATION
STATUS CODE
-07	Accelerator input voltage too high on	This status code will be displayed when the
	power up after initial key switch	accelerator input voltage at P7 is higher than 4.2
	closure.	volts, and a directional contactor is picked up.
MEMORY RECALL	CORRECTIVE ACTIONS	TROUBLE-SHOOTING DIAGRAM
NO
	SYMPTOM
Circuits valid	Control will not operate when accelerator pedal
	is depressed or status code -07 is displayed
for	then disappears when the vehicle starts to
Traction	accelerate.				P7
	POSSIBLE CAUSE
Controller	Accelerator input mis-adjusted or defective.
	• Input voltage at P7 should be less than 3.7
	volts. Adjust or replace accelerator unit to			KEY		NEGATIVE
	insure that the voltage at P7 will vary from 3.5
			SWITCH
	volts to less than .5 volts when the pedal is
	depressed.
	Open circuit between battery negative and P7 in
	accelerator input circuit.
	• Check for broken wires or loose connections			ACC POT
	or open potentiometer / voltage supply.

Short circuit from battery positive to wiring in accelerator input circuit.

•Disconnect wire from P7 and measure voltage at wire to negative. Should be zero volts for potentiometer type and less than 3.7 volts for solid state type accelerator input.

TRACTION	DESCRIPTION OF STATUS	CAUSE OF STATUS INDICATION
STATUS CODE
-08	Accelerator input voltage too low on	This status code will be displayed when the
	power up after initial key switch	accelerator input voltage at P7 is less than 3.0 volts,
	closure.	and any of the following connections are opened and
		closed: battery plug or key switch.
MEMORY RECALL	CORRECTIVE ACTIONS	TROUBLE-SHOOTING DIAGRAM
NO
	SYMPTOM
Circuits valid	Control will not operate.				P7
for	POSSIBLE CAUSE
Traction	Accelerator input mis-adjusted or defective.
	• Input voltage at P7 should be more than 3.0			KEY
Controller	volts. Adjust or replace accelerator unit to					NEGATIVE
			SWITCH
	insure that the voltage at P7 is more than 3.0
	volts before depressing pedal.
	Short circuit between battery negative and P7 in
	accelerator input circuit.
	• Disconnect wire from P7. Check for short			ACC POT
	circuit from wire to battery negative.

Defective Control

•Disconnect wire from P7. Measure voltage from P7 to negative. Voltage should be greater than 4.5 volts, if not, replace control.

January 2000