DIAGNOSTIC STATUS CODES
TRANSISTOR PUMP CONTROL
Page
54
PUMP
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-151
Capacitor volts are low before the line
contactor closes. (Internal card
function during pre-charge)
This status code will be displayed during “key on” when
the capacitor volts is less than 85% of battery volts at
initial key switch on.
MEMORY RECALL
NO
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Pump
Controller
SYMPTOM
Pump control will not operate.
POSSIBLE CAUSE
.Defective control.
•
Replace controller unit.
Note: Repeated “charging/discharging”
the capacitors during troubleshooting
will cause status code 51. Also “do
not” connect any loads to the load side
of the line contactor.
SX-
2
CONTROL P
L
UG P
L
2
STATUS CODE 93 INPUT
STATUS CODE 93 INPUT
STATUS CODE 94 INPUT
STATUS CODE 95 INPUT
STATUS CODE 91 INPUT
STATUS CODE 90 INPUT
STATUS CODE 95 INPUT
STATUS CODE 94 INPUT
STATUS CODE 92 INPUT
BRUSH WEAR OUTPUT
OVER TEMP OUTPUT
2
1
3
4
5
6
8
9
15
16
11
13
14
10
12
19
20
21
*
*
*
TO TRACTION
PL2-10
SP
EE
D
4
SP
EE
D
2
SP
EED
1
7
ACCEL POT INPUT
17
LINE CONTACTOR
DRIVER
18
1A CONTACTOR
DRIVER
*
SP
EE
D
3
AR
M
A
T
U
R
E
*
FI
E
L
D
FU2
PUMP CONTROL
POWER
CONNECTION
P
A1
A2
N
A1
A2
*
A2
A1
N
P
PUMP
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-157
Controller “motor current sensor” input
voltage polarity check.
This status code will be displayed when the voltage
input to motor current sensor is of the wrong polarity.
MEMORY RECALL
YES
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Pump
Controller
SYMPTOM
Pump control will not operate.
POSSIBLE CAUSE
Control is defective.
•
Replace controller unit.
SX-
2
CONTROL P
L
UG P
L
2
STATUS CODE 93 INPUT
STATUS CODE 93 INPUT
STATUS CODE 94 INPUT
STATUS CODE 95 INPUT
STATUS CODE 91 INPUT
STATUS CODE 90 INPUT
STATUS CODE 95 INPUT
STATUS CODE 94 INPUT
STATUS CODE 92 INPUT
BRUSH WEAR OUTPUT
OVER TEMP OUTPUT
2
1
3
4
5
6
8
9
15
16
11
13
14
10
12
19
20
21
*
*
*
TO TRACTION
PL2-10
SP
EE
D
4
SP
EE
D
2
SP
EED
1
7
ACCEL POT INPUT
17
LINE CONTACTOR
DRIVER
18
1A CONTACTOR
DRIVER
*
SP
EE
D
3
AR
M
A
T
U
R
E
*
FI
E
L
D
FU2
PUMP CONTROL
POWER
CONNECTION
P
A1
A2
N
A1
A2
*
A2
A1
N
P
September 2004
