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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 | 167
Status Signal
Time period
before
reacting
Typical Vehicle Controller Unit (VCU) Expected
Action
Recommended Service Action
MCU ADC Calibration
Problem
Section
Long
Check engine light
Record data and contact Danfoss Power Solutions.
MCU ADC Calibration
Problem History
Section 7.3.3.8
X
Nothing, latched indication that MCU ADC
Calibration Problem has occurred. Provided for
trouble shooting.
Record data and contact Danfoss Power Solutions.
MCU Over Voltage Alarm
Section
Immediate
Check engine light
Note 1: Regen switch will open and shifting will be
disabled
Note 2: Check for battery fuse blown, battery
contactor opened, or high voltage battery problem
Verify DC bus operation.
Record data and contact Danfoss Power Solutions.
MCU Over Voltage Alarm
History
Section
X
Nothing, latched indication that MCU Over Voltage
Alarm has occurred. Provided for trouble shooting.
Verify DC bus operation.
Record data and contact Danfoss Power Solutions.
MCU Over Speed Alarm
Section
X
Customer dependent - over customer's limit or
Danfoss Power Solutions upper limit
Verify VCU speed limit.
MCU Over Speed Alarm
History
Section
X
Nothing, latched indication that MCU Over Speed
Alarm has occurred. Provided for trouble shooting.
X
MCU Over Voltage
Warning
Section 7.3.3.13
X
Customer dependent - over customer's limit or
Danfoss Power Solutions upper limit
Verify DC bus operation.
Содержание ED-DT318B
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