5.2 Troubleshooting Tables
SYMPTOM POSSIBLE SOLUTION(S)
Board does not power
up.
• No power. Check for 16 VAC input power.
• If OV LED is ON, input voltage is too high. Insure that the transformer
connected to the input terminals is 16 VAC.
Cannot get into
programming mode.
• Wrong master code entered. Start over.
• Waiting too long between pushing buttons. Enter information quicker.
•
Keypad is not plugged into board correctly. Cable points down.
System emits a long
tone and cancels
programming.
• Waiting too long between pushing buttons.
• Forgetting to press * first when programming.
Keypad is dead.
• No power. Check for 16 VAC input power.
• Check that the keypad is properly connected to the circuit board. The cable on
the plug points down when connected to the circuit board.
Buzz or noise on the
line.
• Check for a short to ground behind the circuit board.
• Check for pinched wires near the door hinge.
• Check for 16-volt power shorted to a conduit.
• Check for a phone line shorted to ground.
• Check that the phone wires are twisted.
• Check that all wires, speaker, keypad, etc., are isolated from ground.
• Check that the cabinet is properly grounded. Be sure case ground (terminal 3)
is not used as a low voltage common.
• Check for excessive voltage drop on 16 VAC power.
• Check phone line with telephone test set.
System will not
answer when called
from a remote
location.
• Answer incoming call feature is turned off. Turn answer incoming call feature
on.
• Number of rings to answer may be programmed too high. Reprogram number
Electric strike locks on
or gate operator holds
open.
• Excessive voltage drop on 16 VAC line.
• Hold open schedule is enabled. Turn off hold open schedule or reprogram time
zone.
• Access code used was programmed under a hold location code. Reprogram
access code into a momentary activation location code.
• A hold command was sent to the relay from the resident’s phone. Deactivate
the relay using the resident’s phone.
Access code will not
work.
• Forgetting to press # first.
• Access code is time zone restricted and the access code time zone is enabled.
Turn access code time zone off, reprogram time zone boundaries or reprogram
access code without a time zone.
Page 58 1810-162-L-5-15
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