Specifications

43
STATUS CODE
-57
DESCRIPTION
Current sensor input voltage polarity check.
No
MEMORY
RECALL
CONTROL
TYPE
Traction
Figure 1
SYMPTOM
Forward or reverse contactors open and close, then can
only be closed by opening and closing the key switch.
POSSIBLE CAUSE
Reversed yellow and green current senors wires
 Insure that the: -green wire connects to PZ4 with
no open circuits.
-yellow wire connects to PZ3 with
no open circuits or loose
connections.
Reversed power cable connection.
 Insure that the battery negative cable connects to
SCR NEG and the motor A2 cable connects to SCR
A2.
STATUS INDICATION CRITERIA
This status code is displayed when the voltage input
to PZ4 and PZ3 is the wrong polarity.
DESCRIPTION
Shorted F, R or 1A contactor coil driver.
No
MEMORY
RECALL
CONTROL
TYPE
Traction
Figure 1
STATUS CODE
-54
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
Defective logic card.
 Replace logic card.
STATUS INDICATION CRITERIA
This status code is displayed when either the forward,
reverse or 1A contactor coil driver is shorted internal to
the logic card.