10 BCU-01/11 control units
The 7-segment display
The following table describes the indications of the 7-segment display on the control
unit. Multicharacter indications are displayed as repeated sequences of characters.
Checking the delivery
Check that all items listed below are present. Check that there are no signs of
damage:
•
control unit with the I/O connectors
•
memory unit
•
SD/SDHC flash memory card (inserted in its slot)
•
real-time clock battery.
Identifying different control unit types
Before installation, check that the control unit has the correct control program for
the converter hardware in question. The control program is shown in the label
attached to the memory unit.
Check also that the control unit is suitable for your equipment configuration.
Miscellaneous
+ Battery
Real-time clock battery
“U” is indicated shortly before “o”.
The control program has been launched and is running.
Flashing character.
The firmware cannot be started: The memory unit is missing or corrupted.
The firmware download from a PC to the control unit is in progress.
At the converter power-up, the 7-segment display can show short indications
of, for example, “1”, “2”, “b” or “U”. These are normal indications immediately
after powering up the converter.
If the 7-segment display ends up showing other values than described above
after the power-up, it indicates a hardware failure.
Description
