DIAGNOSTIC STATUS CODES
TRANSISTOR PUMP CONTROL
Page 45
October 1998
PUMP
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-144
Power Transistor (Q1) did not turn off
properly.
This status code is displayed when, during pump
control operation, the Q1 transistor fails to turn off.
This will result in a PMT condition.
MEMORY RECALL
YES
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Pump
Controller
SYMPTOM:
With no pump contactor, control may
run continuously.
POSSIBLE CAUSE:
Control is defective.
•
=
Replace controller unit.
NO
GRAPHIC
FOR THIS
STATUS CODE
PUMP
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-145
Power Transistor (Q1) did not turn on
properly.
This status code is displayed when during pump
control operation, the transistor fails to turn on.
MEMORY RECALL
YES
CORRECTIVE
ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Pump
Controller
SYMPTOM:
Pump contactor will
open and close, then
open and then can
only be closed by
opening and closing
the key switch.
POSSIBLE CAUSE:
Control is defective.
•
=
Replace controller
unit.
P1
P2
P10
P6
P5
P16
94 IN
P
U
T
94 IN
P
U
T
90 IN
P
U
T
P13
P11
91 IN
P
U
T
B
RUS
HW
E
A
R
O
U
T
P
UT
-
P
Y
9
P14
O
VER
T
E
M
P
O
U
T
P
U
T
-
PY8
P15
92 IN
P
U
T
P12
P9
95 IN
P
U
T
P8
95 IN
P
U
T
LINE
P19
P20
P21
P4
P3
93 IN
P
U
T
93 IN
P
U
T
TO TRACTION
CARD
SPEED
L
IM
IT
1
SPEED
L
IM
IT
2
SPEED
L
IM
IT
3
SPEED
L
IM
IT
4
TO
TRACTION
P10 - BDI
PY7
PY12
PY10
PY11
S
E
R
IA
L
RE
CE
IV
E
SER
IA
L
T
R
AN
SM
IT
+5V FROM
TRACTION PY10
P17
P18
ACC POT
POWER CONNECTIONS
POS
A1
NEG
FIE
L
D
A
R
M
A
T
URE
FU1
+
-
FU5
KEY SWITCH
FU6
L
1A
A2
1A
