GE IC3645SR4W606MC2 - Page 53

DIAGNOSTIC STATUS CODES
TRANSISTOR PUMP CONTROL Page 53
PUMP
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-146
“Look Ahead” test for T2 volts less than
12% of battery volts.
This status code will be displayed when the voltage
at T2 is less than 12% of battery volts.
MEMORY RECALL
YES
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Pump
Controller
SYMPTOM
Pump control will not operate.
POSSIBLE CAUSE
Check for short circuit from the motor
armature to the frame of the vehicle.
Control is defective.
• Replace controller unit.
SX-2
CONTROL PLUG PL2
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
SPEED 4 SPEED 2
SPEED 1
7
ACCEL POT INPUT
17
LINE CONTACTOR
DRIVER
18
1A CONTACTOR
DRIVER
*
SPEED 3
ARMATURE
*
FIELD
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
-150
Capacitor volts are low after the line
contactor closes.
This status code will be displayed when the capacitor
voltage is less than 85%of the battery voltage in the run
mode.
MEMORY
RECALL
YES
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits
valid for
Pump
Controller
SYMPTOM
Pump control will not operate.
POSSIBLE CAUSE
Defective line contactor.
• Check for open line contactor power
tips.
Check for loose or open connections in
cables from battery positive to control
positive circuit.
Defective power fuse.
• Check power fuse for open circuit.
No battery voltage at P1.
• Check for battery voltage at POS and
P1.
• Check for loose connection at P1.
SX-2
CONTROL PLUG PL2
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
SPEED 4
SPEED 2
SPEED 1
7
ACCEL POT INPUT
17
LINE CONTACTOR
DRIVER
18
1A CONTACTOR
DRIVER
*
SPEED 3
ARMATURE
*
FIELD
FU2
PUMP CONTROL
POWER
CONNECTION
P
A1
A2
N
A1
A2
*
A2
A1
N
P
September 2004