Positive phase transistor short, Precharge open, Clear jammed – Rockwell Automation 1336VT 5-300 AMP (2.2-160KW) User Manual
Page 94: Pwm check, Drive reset
Fault Codes
Chapter 10
10-6
Positive Phase Transistor Short
Freq
P
R
A shorted drive transistor has been detected. Check drive output transistors,
both upper and lower portions of each transistor, for a shorted condition.
Precharge Open
Freq
P
R
An error has been detected in the precharge circuit that does not allow
precharge to occur. Check the precharge circuit.
Clear Jammed
Freq
P
R
A fault has been detected originating from the Base Driver/Power Supply
Board. Check all wire and cable connections to the Base Driver/Power
Supply Board. Replace the Base Driver/Power Supply Board if required.
PWM Check
Freq
P
R
A fault has been detected originating from the Base Driver/Power Supply
Board. Check all wire and cable connections to the Base Driver/Power
Supply Board. Replace the Base Driver/Power Supply Board if required.
Drive Reset
Freq
P
R
A fault has been detected originating from the Base Driver/Power Supply
Board. Check all wire and cable connections to the Base Driver/Power
Supply Board. Replace the Base Driver/Power Supply Board if required.