DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL
Page
29
September 2004
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 2.4VDC
PER CELL
24
80
48
72
36
28.8
100.8
57.6
86.4
43.2