INSTALLATION AND OPERATION
SX TRANSISTOR CONTROL
Page
19
TRACTION
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-15
Battery voltage is too low at initial key switch
closure.
This status code will be displayed when the
battery volts are less than 68.3 volts at initial key
switch on.
MEMORY RECALL
NO
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
Discharged battery
Check battery voltage to confirm that it is a minimum
of 68.3 volts. 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 & NEG.
POWER CONNECTIONS
POS
A1
F1
NEG
A2
F2
F
IEL
D
AR
M
AT
U
R
E
+
-
FU1
L
P1
P17
P2
LINE
N
EG
I
N
PU
T
ST
AR
T
SW
.
P12
R
EG
EN
BR
AKE
SW
+72V
+72V
72 VDC
TRACTION
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-16
Battery voltage is too high at initial key
switch closure.
This status code will be displayed when the
battery volts are greater than 86 volts at initial
key switch on.
MEMORY RECALL
NO
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
Discharged battery
Check battery voltage to confirm that it is a
minimum of 68.3 volts. Charge battery, if
required.
Battery overcharged or incorrect battery used.
Check each battery cell for proper voltage
(maximum 2.4 volts per cell). If voltage is
excessive, check battery charger for proper
output voltage.
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 “maximum” battery volts at P1 & NEG.
POWER CONNECTIONS
POS
A1
F1
NEG
A2
F2
F
IEL
D
AR
M
AT
U
R
E
+
-
FU1
L
P1
P17
P2
LINE
N
EG
I
N
PU
T
ST
AR
T
SW
.
P12
R
EG
EN
BR
AKE
SW
+72V
+72V
72 VDC
Updated Sept 2019