ADT SERIES 4250, Руководство пользователя

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26
S
YSTEM
F
AULTS
TELEPHONE LINE FAULTS
The setting procedure carried out is as normal with the
display indicating the “Line fault” condition, during the
system being set, e.g.:
The system will also attempt to “link up” with the Alarm
Receiving Centre.
NOTE: If the “Line fault” condition appears to be
permanent, contact the Alarm Company Service
Department so that the fault can be confirmed and
repaired by the Telephone Service Provider.