CS106/BL106 Combined Door Entry and Coded Access
43
Miscellaneous Problems
Symptom Possible Cause/Remedy
Telephone will not buzz.
Faulty 'O' or 'I' line between power
supply and phone. Check 10.5V -
15V across ‘I’ and ‘O’ when called.
Telephone ‘DOOR’ button
does not operate release;
C106 test button does
operate the lock
Missing connection to C106 Keypad
Exit + terminal.
Fault on 'Z' or 'O' line.
Trades, Exit button or Fire
Switch inoperative.
Time-Clock is not running or
incorrectly set (Trades button only).
Check all connections to the EXIT
terminal on the C106.
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