Diagnostics
Device status
MOBILE DCU, PSU, DCU PSU
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300−I−9052003−EN−04/07.2021
7
Diagnostics
7.1
Device status
7.1.1
MOBILE DCU, PSU, DCU PSU
Two LEDs at the device display the current device status:
LED1
LED2 Device status
Comments
Switched off
˘
Switched on − nor error
No Public CAN messages are received.
Switched on − nor error
Public CAN messages are received.
Switched on − boot loader active
˘
Switched on − error
For a more detailed diagnosis, read the error memory or error
code.
Switched on − error
CAN communication is interrupted.
Diagnostics via CAN is not possible.
1× blinking:
Invalid CAN address offset
4× blinking:
Initialisation of the internal flash failed
5× blinking:
Bootloader/firmware incompatibility
Precharge / discharge active
Blinking slowly
DC bus loaded
V
DC
> 50 V
Cover is not closed
Blinking fast
LED off
LED permanently on
LED blinking every 0.4 s
LED blinking every 0.2 s
LED blinking pattern: blinking once or several times with a break of 1 s
green − red − yellow
ƒ
The device status can also be read via the CAN bus.
ƒ
The Bucher »MobileEngineer« allows for a detailed diagnostics.
7.1.2
MOBILE DCU S
ƒ
The device status can only be read via the CAN bus.
ƒ
The Bucher »MobileEngineer« allows for a detailed diagnostics.
Summary of Contents for EMD G 0 Series
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