DIAGNOSTIC STATUS CODES
IT TRANSISTOR CONTROL
Page
25
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
MAXIMUM
LIMIT VOLTS
AT 1.95 VDC
PER CELL
24
80
48
72
36
28.8
100.8
57.6
86.4
43.2
November 2005