DIAGNOSTIC STATUS CODES
TRANSISTOR PUMP CONTROL Page 53
Revised May 2003
PUMP
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-181
Battery voltage is less than 14 volts. This status code will be displayed when the battery
voltage measured at P1 is less than 14 volts.
MEMORY RECALL
NO
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Pump
Controller
SYMPTOM
Pump control will not operate.
POSSIBLE CAUSE
· Defective control fuse.
Check control fuse for open circuit,
replace fuse, if necessary.
· Check connection from control fuse to
pump P1 for loose connections.
PUMP CONTROL
PLUG PL-2
P2
P1
P18
P12
P19
P20
P21
PUMP CONTROL TEMP
P7
L
P17
ACCEL POT INPUT
*
*
*
SPEED 2
SPEED 1
*
SPEED 3
*
SPEED 4
POWER CONNECTION
SUPPLIED BY CUSTOMER
*
KEY SW.
BATT (+)
P
*
FU4
FU2
LINE
CONTACTOR
*
*
ARMATURE
*
FIELD
*
PUMP CONTROL
POWER CONNECTION
A1
A2
A1
A2
A2
A1
P
N
N
BATT (-)
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