DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL
Page
29
January 1999
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
+
-
FU3
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
+
-
FU3
P1
NOMINAL
BATTERY
VOLTAGE
MAXIMUM
LIMIT VOLTS
AT 2.40 VDC
PER CELL
24
80
48
72
36
28.8
96.0
57.6
86.4
43.2