61Service Manual – SC5000 04 - Control System
2-051 M1 Mosfet Short
2-052 M2 Mosfet Short
2-053 M3 Mosfet Short
2-054 M4 Mosfet Short
2-055 M5 Mosfet Short
2-056 M6 Mosfet Short
2-057 M7 Mosfet Short
2-058 M10 Mosfet Short
Description The power module has detected a short circuit in the output mosfet.
Setting
Conditions
The power module has detected that the output switching
transistor for the respective motor is not switching off when
expected. If the condition persists, the likely cause is that the
power module has failed and needs replacement.
When Monitored
Always
Possible Causes Failed power module
Initial Action Replace the power module
Troubleshooting Steps
2-061 M1 Current Sensor Fault
2-062 M2 Current Sensor Fault
2-063 M3 Current Sensor Fault
2-064 M4 Current Sensor Fault
2-065 M5 Current Sensor Fault
Description Power module current sensor fault.
Setting
Conditions
The power module has detected unexpected results for the
applicable output current sensor. If the motor appears to be
operating correctly, the power module may be damaged.
When Monitored
Always
Possible Causes Same
Initial Action Replace the power module
Troubleshooting Steps
2-066 OverTemp Cutoff
Description
The temperature of the power module has exceeded the permissible operating
temperature.
Setting
Conditions
Same
When Monitored
Always
Possible Causes
• Ambient air temperature too warm.
• Excessive motor loading for prolonged periods.
Initial Action Power down machine, open hood, and let cool.
Troubleshooting Steps
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