Description of status cause of status indication – GE SX TRANSISTOR CONTROL IC3645SR4U404N2 User Manual

Page 26

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DIAGNOSTIC STATUS CODES

SX TRANSISTOR CONTROL

Page 26

January 2000

TRACTION

STATUS CODE

DESCRIPTION OF STATUS

CAUSE OF STATUS INDICATION

-15

Battery voltage is too low or control
card is mis-adjusted.

This status code will be displayed when the battery
volts are less than 1.95 volts per cell at initial key
switch on. See table below.

MEMORY RECALL

NO

CORRECTIVE ACTIONS

TROUBLE-SHOOTING DIAGRAM

Circuits valid

for

Traction

Controller

SYMPTOM
Control will not operate.

POSSIBLE CAUSE
Discharged battery

= Check battery for proper open circuit voltage

as shown in “Trouble Shooting Diagram”,
charge battery, if required.


Defective battery

= Check each battery cell for proper voltage

(greater than 1.95 volts at cell). Replace or
repair battery.


Incorrect control card adjustment.

= Check Function 15 for proper adjustment for

battery being used. See Handset instruction
sheet for details. Adjust to proper settings.


Check “minimum” battery volts at P1 and NEG.

NEG

+

-

FU5

P1

NOMINAL
BATTERY

VOLTAGE

MINIMUM

LIMIT VOLTS

AT 1.95 VDC

PER CELL

24

80

48

72

36

23.4

78.0

46.8

70.2

35.1

TRACTION

STATUS CODE

DESCRIPTION OF STATUS

CAUSE OF STATUS INDICATION

-16

Battery voltage is too high or control
card is mis-adjusted.

This status code will be displayed when the battery
volts are greater than 2.4 volts per cell at initial key
switch on. See table below.

MEMORY RECALL

NO

CORRECTIVE ACTIONS

TROUBLE-SHOOTING DIAGRAM

Circuits valid

for

Traction

Controller

SYMPTOM
Control will not operate.

POSSIBLE CAUSE
Incorrect control card adjustment
Check Function 15 for proper adjustment for
battery being used. See Handset instructions
for details. Adjust to proper setting.

Battery over charged or incorrect battery used.

= Check battery for proper open circuit voltage

per table at right. If voltage is excessive, check
battery charger for proper output voltage.


Check “maximum” battery volts at P1 and NEG.

NEG

+

-

FU5

P1

NOMINAL
BATTERY

VOLTAGE

MINIMUM

LIMIT VOLTS

AT 1.95 VDC

PER CELL

24

80

48

72

36

23.4

78.0

46.8

70.2

35.1



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