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Installation and Operation Guide
ED-DT318B
Drive Train Systems with Traction Control, Inverter/Controller, and Motor with 2 Speed Transmission
BC353060341319en-000101
Revision D
© Danfoss | November 2020 | 164
Status Signal
Time period
before
reacting
Typical Vehicle Controller Unit (VCU) Expected
Action
Recommended Service Action
MCU Power Switches Off
Section
Immediate
System inoperable
If High Voltage Power Supply is less than minimum
operating voltage: Normal operation – do nothing
If High Voltage Power Supply is greater than
minimum operating voltage: Record data and
contact Danfoss Power Solutions.
MCU Invalid Power
Supply
Section 7.3.2.32
Long
System inoperable
Record data and contact Danfoss Power Solutions.
MCU Bad Switch
Section
Long
Check engine light
Record data and contact Danfoss Power Solutions.
MCU Bad Position Signal
Section
Long
Check engine light
Verify the MCU signal wiring integrity
Record data and contact Danfoss Power Solutions.
MCU Phase Current
Sensor Error
Section
Long
Check engine light
Record data and contact Danfoss Power Solutions.
MCU Stall Condition
Active
Section
Long/X
Customer dependent - hill too steep for motor
torque and vehicle weight - Danfoss Power Solutions
delivering 10% torque for 30 seconds
X
MCU Forced Open Loop
Section
Long
Check engine light
Record data and contact Danfoss Power Solutions.
Содержание ED-DT318B
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