DKS 1802 Installation & Owner's Manual page 45

Telephone entry systems
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Symptom
Buzz or noise on the
phone line.
Ringing or howling
from the speaker.
After dial out, dial tone is
heard on the speaker.
Door strike locks on.
Door strike or gate
operator holds open.
Entry system will
not answer when
called.
Rotary dial 9 will not
activate relay.
Touch-tone 9 will
not activate relay.
Relay activates but
gate operator will
not open.
Postal switch will
not activate relay.
Switch input 2 will
not activate relay.
FOUR-digit entry
codes will not work.
FIVE-digit entry
codes will not work.
Entry codes will not
activate relay 1.
Entry codes will not
activate relay 2.
System emits a beep
every 30 seconds.
LCD is unreadable
1802-065-D-10-14
Disconnect the phone line from the system and check it with a handset. If line is noisy,
problem is with the phone line and not the entry system.
Check for any shorts to ground behind the circuit board.
Check for pinched wires near the door hinge.
Check for 16-volt power shorted to ground.
Check for phone line shorted to ground.
Check that phone wires are twisted.
Check that the proper type of phone wire was used for an outdoor and / or underground
application.
Check that all wires, speaker, keypad, etc. are isolated from ground.
Check that the cabinet is properly grounded. Be sure that case ground (CGND terminal 3) is
not used as a low voltage common.
Check for excessive voltage drop on 16 VAC power.
Feedback improperly adjusted (2.3.1).
Volume is set too high (2.3.1).
Phone line is a rotary-dial line. Have the phone company change it to a touch-tone line.
Excessive voltage-drop on 16 VAC line.
Using a transformer with too low VA rating.
Relay strike time programmed too long (3.1.3).
Auto relay time zone enabled. Turn auto relay feature off or reprogram the time zone (5.2.5).
System was given a hold open command. Call the system and press the tone deactivate
relay number (4.2.5).
Ring pin is not installed (2.3.5).
Number of rings to answer is set to high. Reprogram (3.1.9).
Bad phone line or insufficient ring voltage.
Adjust click sensitivity (2.3.2).
Re-program tone-open number to 9 (3.1.6).
If resident phone emits a short pulse rather than a long tone, press 9 rapidly twice "99".
Try another phone that is known to work.
Lower speaker volume and re-adjust feedback (2.3.1).
Re-program relay strike time for a longer period (3.1.6).
Check wiring to gate operator.
Check gate operator.
Be sure that the wire-tie has been clipped off the postal switch.
Be sure that the relay has been programmed for postal switch input (3.1.8).
Reprogram switch input 2 which only activates relay 2 (3.1.8).
Forgetting to press "#" first.
Entry code is time zone restricted. Reprogram time zone (3.5.2) or turn time zone off (4.2.5).
Entry code attempted was a FLASH entry code that is no longer valid (3.5.5).
Forgetting to press "#" first.
Entry code is time zone restricted. Reprogram time zone (3.5.2) or turn time zone off (4.2.5).
Re-program relay 1 low and high ranges. FOUR-digit codes (3.4.4), FIVE-digit codes (3.4.8).
Re-program relay 1 low and high ranges. FOUR-digit codes (3.4.4), FIVE-digit codes (3.4.8).
Master code switch is in the ON position. Turn master code switch OFF (2.3.4).
Adjust contrast. (2.3.3).
Possible Solution(s)
43

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