PS S5.7 5410
000 OE35
Version no T-code
F-code Section C-code
EV100 LX Control Status Codes
176
Service Manual 1997-10-22
STATUS CODE
-52
DESCRIPTION MEMOR
RECALL
Yes
Excessive capacitor voltage when motor current is low.
CIRCUIT
Traction
SYMPTOM
Forward or reverse contactors open and close, then can only be
closed by opening and closing the key switch.
POSSIBLE CAUSE
Excessive source inductance
*
Tag lines without filters are being used.
*
Battery cables are too long.
Defective 4REC circuit
*
Check for shorted 4REC.
*
Check for open circuit or loose connection in 4REC circuit.
Defective 3REC circuit.
*
Check for open circuit or loose connection in 3REC circuit.
Figure 1.
STATUS INDICATION CRITERIA
This status code is displayed when capacitor volts
exceed 225 volts and motor current is less than
200 amps.
STATUS CODE
-53
DESCRIPTION MEMOR
RECALL
Yes
1REC fails to turn off during plugging cycle.
CIRCUIT
Traction
SYMPTOM
Forward or reverse contactor opens and closes, then opens and
can only close by opening and closing the key switch.
POSSIBLE CAUSE
1 REC turn off failure not related to plugging
*
Stall vehicle in both directions and note any status codes
displayed that may more closely define the failure mode.
Troubleshoot per new status code.
1 REC turn off related to plugging
*
Check 4 REC circuit for open 4 REC, loose or open cable/
bus connection.
*
Check current sensor for loose or open connection in
power circuit. Check yellow and green wire form sensor to
logic card for open and loose connection.
Defective motor circuit
*
Check motor circuit for open or loose connections.
*
Check motor brushes for proper seating.
F or R contactor power bouncing open
*
Insure that F and R contactor does not bounce open during
vehicle operation (ie: traveling over speed bumps and dock
plates).
Figure 1.
STATUS INDICATION CRITERIA
This status code is displayed when any failure of 1
REC to turn off during plug cycle.
R
R
F
F
T2
S1
S2
A1
A2
A2
Field
SCR
Current
Sensor
NEG.
4REC
3REC
SCR
Current
Sensor
A1
A2
A2
NEG.
PZ3
PZ4
4REC
Field
S2
S1
F
F
R
R
T2
To Next Page
Loading...
