
4101-2 Controller Installation Handbook
3-14
7
FS1
The green FS1 LED lights when power is present and the fuse
is good. This LED is connected in parallel to the POWER LED
visible through the cover.
8
FS2
The green FS2 LED lights when auxiliary power is present and
the auxiliary power fuse is good.
Operating
When the Controller is operating correctly the LED labelled STATUS
on the lid flashes continuously. If this LED stops flashing then the
processor in the Controller is not running. It is connected in parallel
with the STAT LED on the motherboard as described above.
The POWER LED is lit continuously by the 12V DC supply to the
Controller. If the DC power is removed or fuse FS1 blows then the
POWER LED goes out.
If you are using the 4910 PSU and have connected the MAINS FAIL
from the PSU to the Controller, the Controller sends a message over
the Comms if the mains power is removed. The Controller will
continue to run on the battery installed in the PSU which is 6A.hour
capacity.
Summary of Contents for 4101-2
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Page 24: ...4101 2 Controller Installation Handbook 2 10...
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Page 123: ...Binding posts Earth pin of CONN4 Binding posts...
Page 124: ...0 Connect screen to nearest binding post 1 2 3 04 5 6 7 87 9 3 7 1...
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Page 154: ...4101 2 Controller Installation Handbook A 1 6...
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