Danfoss ED-DT318B Installation And Operation Manual page 162

Installation and Operation Guide
ED-DT318B
Drive Train Systems with Traction Control, Inverter/Controller, and Motor with 2 Speed Transmission
Status Signal Time period
before
reacting
MCU CAN Timeout Immediate
Section 7.3.2.16
MCU Watchdog Error Immediate
Section 7.3.2.17
TCU Command Message
1 Error
Section 7.3.2.18
TCU Command Message Immediate
1 Watchdog Timeout
Section 7.3.2.19
BC353060341319en-000101
Typical Vehicle Controller Unit (VCU) Expected
Action
Check engine light if accompanied by loss of power
or if recurrent.
Note: It is possible that this may be seen occasionally
without having great significance, but if it occurs
frequently, contact Danfoss Power Solutions to
investigate possible hardware issue.
Check engine light
Note 1: Will be accompanied by loss of power
Note 2: Contact Danfoss Power Solutions to
investigate possible hardware issue.
X Little meaning if seen occasionally.
If seen frequently, check integrity of the CAN Bus
connection between the VCU and the TCU
Check engine light
Note 1: Will be accompanied by loss of power
Note 2: Check integrity of the CAN Bus connection
between the VCU and the TCU
Verify the MCU CAN settings.
Check the integrity of the CAN Bus between the TCU
and MCU.
Replace the TCU to MCU CAN Bus wiring.
Verify the MCU CAN settings.
Check the integrity of the CAN Bus between the TCU
and MCU.
Replace the TCU to MCU CAN Bus wiring.
Verify the MCU CAN settings.
Check the integrity of the CAN Bus between the TCU
and MCU.
Replace the TCU to MCU CAN Bus wiring.
Verify the MCU CAN settings.
Check the integrity of the CAN Bus between the TCU
and MCU.
Replace the TCU to MCU CAN Bus wiring.
Revision D
Recommended Service Action
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