DIAGNOSTIC STATUS CODES
TRANSISTOR PUMP CONTROL
Page 54
January 1999
PUMP
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-151
Capacitor volts are low before the line
contactor closes. (Internal card function
during precharge)
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:
Line contactor does not
close when Capacitor does
not pre-charge.
POSSIBLE CAUSE:
Defective control fuse.
•
=
Check control fuse for
open circuit, replace fuse,
if necessary.
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.
FU5
KEY SWITCH
P1
P2
P10
P6
P5
P16
9
4
IN
P
U
T
9
4
IN
P
U
T
9
0
IN
P
U
T
P13
P11
91 I
N
PUT
BRUSHW
EAR OUTPUT -
P14
P14
OVER TEMP OUTPUT -
P20
P15
9
2
IN
P
U
T
P12
P9
9
5
IN
P
U
T
P8
9
5
IN
P
U
T
FU6
P19
P20
P21
P4
P3
9
3
IN
P
U
T
9
3
IN
P
U
T
TO TRACTION
CARD
SPEED LI
MI
T 1
SPEED LI
MI
T 2
SPEED LI
MI
T 3
SPEED LI
MI
T 4
TO
TRACTION
P10 - BDI
POWER CONNECTIONS
POS
A1
NEG
A2
FI
ELD
ARMATURE
LINE
+
-
FU1
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 PZ13 and PZ12 is of the wrong polarity.
MEMORY RECALL
NO
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Pump
Controller
SYMPTOM:
Pump control will not
operate.
POSSIBLE CAUSE:
Control is defective.
•
=
Replace controller
unit.
FU5
KEY SWITCH
P1
P2
P10
P6
P5
P16
94 I
N
PUT
9
4
IN
P
U
T
90 I
N
PUT
P13
P11
91 I
N
PUT
BRUSHW
EAR OUTPUT -
P14
P14
OVER TEMP OUTPUT -
P20
P15
92 I
N
PUT
P12
P9
95 I
N
PUT
P8
95 I
N
PUT
FU6
P19
P20
P21
P4
P3
93 I
N
PUT
93 I
N
PUT
TO TRACTION
CARD
SPEED LI
MI
T 1
SPEED LI
MI
T 2
SPEED LI
MI
T 3
SPEED LI
MI
T 4
TO
TRACTION
P10 - BDI
POWER CONNECTIONS
POS
A1
NEG
A2
FI
ELD
ARMATURE
LINE
+
-
FU1