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LCD screen on Keypad KP04A-WI show strange words and characters

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LCD screen on Keypad KP04A-WI show strange words and characters
ccy Offline
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#1
02-13-2017, 09:30 AM
I have a Keypad KP04A-WI.  The keypad show strange characters on and off:
Pattern 1:
12!Feb 17 6:28pSecuritY Off

Pattern 2:
12HiFeb 17  :28pSecur@ty\"Off
Pattern 3:
12!Feb 17  6:29pSUcur@ty Off
What is this problem and how resolve?
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slychiu Offline
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#2
02-13-2017, 09:32 AM
Please send us an email and let us have your serial number. which should be on the back of the keypad
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slychiu Offline
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#3
02-13-2017, 09:33 AM
also try pressing * and 1 together to sync the text on the keypad
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ccy Offline
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#4
02-14-2017, 06:16 AM
I press * and 1 together, can see some text showing downloading..., after a while i heard some tone sound, then back to normal.  The text on LCD screen still showing some funny characters...
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slychiu Offline
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#5
02-14-2017, 06:28 AM
The lcd may be gallery
Please send email to support@cytech.biz and let us have serial number
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ccy Offline
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#6
02-14-2017, 06:30 AM
The keypad has mounted to wall. Shall I take it out ?
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slychiu Offline
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#7
02-14-2017, 05:50 PM
If you are not able to do that send an email to support@cytech.biz and give the folowing infi
Date of installation (approx)
name of installer

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ccy Offline
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#8
02-18-2017, 06:40 AM
I open the keypad case and found one or the wire connected to KP are almost broken, I cut it and reconnect back, the wording in LCD screen now working fine. No more funny character shown.

However, I notice the keypad now show \"Communication Failure\". How to resolve this issue?

I have two keypad. Another keypad showing \"Communication Failure - Keypad 1\". I guess the keypad that I open shall be keypad 1.
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slychiu Offline
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#9
02-18-2017, 08:01 AM
First, signin on the keypad. Communications Failure and other trouble alarms even when  restored will remain on the LCD until someone signs in. WEhen you sign in then if the trouble alarm has been restored  the trouble alarm will not be displayed anymore

If the communications failurfe still appears that means there is a problemn with the ID
each keypad shoyuld have a differnt ID, 1 and 2
To check the keypad ID, press and hold the * key. If you are asked to enter engineer menu, press F0 and entyer engineer code 6789#
Then press and hold * key until the ID is shown. Press the Up or down button to change the ID and F to exit
download the manual for KP04A from https://www.cytech.biz/kp04a_keypad_with_lcd_white.html for full instructions
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