36
If further support is required, please provide Delta with the following information:
– The serial numbers shown on the labels of both the WPU and the WSU
– Photographs of the charger system setup showing pad positions and cabling
– What the LEDs on the WPB are indicating
– Most useful of all is a screengrab showing the monitor tab of the GUI taken when the fault
has occurred.
9.4
Charger system fault and status messages
9.4.1
Faults
Mode the WSU will attempt to automatically clear faults 5 times before latching them and turning
counter will reset after 5 minutes of fault free operation.
Type
Fault/Status
CAN
Report
Active
Deactive
General
Fault
Fault
0x32x,
bit12
Any fault has occurred
General
Fault
Fault_OCP_SW
0x32x,
bit18
The output current has
exceeded the OCP
threshold
In CAN mode the WSU latches
clear.
auto clear.
General
Fault
Fault_OTP_SW
0x32x,
bit20
Any part of the system has
exceeded the OTP threshold
Auto clear when the
temperature decreased to an
acceptable level.
General
Fault
Fault_OVP_HW
0x32x,
bit21
The output voltage has
exceeded the OVP threshold
In CAN mode the WSU latches
clear.
try to auto clear 5 times.
General
Fault
Fault_OVP_SW
0x32x,
bit22
The output voltage has
exceeded the OVP threshold
In CAN mode the WSU latches
clear.
try to auto clear 5 times.
CANbus
Fault
Fault_WD_Comms
0x32x,
bit24
Can bus mode only - The
WSU has not received
control command within 1s
Send clear fault command
with message 0x190
General
Fault
Fault_WD_Reset
0x32x,
bit25
WSU has reset due to an
In CAN mode the WSU latches
clear.
try to auto clear 5 times.
General
Fault
Fault_PFC
0x32x,
bit26
Any fault occurs in the WPU The fault will auto clear after
approximately 3 seconds
once the WPU returns to an
operational state.
General
Fault
Fault_PFC_Comms
0x32x,
0x27
This fault is set when the
internal communication
failed at WPU
Auto clear When the internal
communication recovery.
