3.2 Repair tips
ERROR :
Error during address configuration. No address has been allocated because too
many units are connected to the BeoLink.
- Remove all products from BeoLink, and connect them again one at a time until the
error code occurs. Disconnect that product from BeoLink.
ERROR 2:
It is not possible to transmit on BeoLink, because it has been pulled low. The error
may occur if there is no Master Link driver circuit, or as a result of a physical short-
circuit on BeoLink or in the data transceiver circuits.
- Disconnect one product from BeoLink at a time, and see if it starts up.
- Reset the faulty product, and check the connection (cable/plug) and signal path
(the data transceiver circuits).
ERROR 3:
It is not possible to transmit on BeoLink, because it has been pulled high. This
error is caused either by the pull-up resistance in the system having become too
small or by an error in the data transceiver circuit.
- Disconnect one product from BeoLink at a time, and see if it starts up.
- Reset the faulty product, check whether the Master Link cable is too long, and
check the signal path (the data transceiver circuit).
ERROR 4:
The data traffic on BeoLink has been excessive, or a product has jammed and will
not receive telegrams.
- Press the operating sequence again.
- Disconnect one product from BeoLink at a time to determine which product has
jammed. Reset the faulty product, and check the Master Link connection (cable/
plug) and signal path (amplifiers in the data transceiver circuit).
TEST MODE 0 3
Direct selection of Master Link input. Permits the Master Link signal path to be
tested without having a BeoLink master connected.
- Press
MENU 0 3 GO
The display reads:
ML SEL.
=
Opens the Master Link signal path.
- Press
STOP
to close the Master Link signal path.
Summary of Contents for BeoLab 3500 MKII 1601
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