Recent: Fix food processor motor?

Mend Thorn TC3800 Home Alarm Systems

Mend Security Systems, Home Alarm Systems
Find out how to mend it for free.
Ask Question
Mend Security Systems, Home Alarm Systems
Mend repair fix Thorn TC3800 home alarm systems

Mend home alarm systems ...

Mend Security Systems, Home Alarm Systems

How to reset after battery change?

Scantronic 9600. how do I reset after lid tamper
Mend alarm zone flashing keypad

Optima plus2?

have a optima plus 2 alarm had a power cut alarm now is showing zone 1 flashing but keypad is not working b... [Read more]
Mend house alarm bf fault

Thorn tc3800 house alarm?

How to fix bf fault
Mend system book control

Cooper Scantronic 9448 alarm?

Have a Cooper Scantronic alarm system . Instruction book say 9448+ but front of small control box by entry is ... [Read more]
Mend Security Systems, Home Alarm Systems

Missing key Logic 4?

Hello my mother passed away and i am unable to find the Logic 4 alarm key. I dont know the key number so i am... [Read more]
Mend Home Alarm Systems

Mend > Home Alarm Systems

Mend Thorn TC3800 Change Alarm Code

how to change an alarm code?

hi iv a thorn tc3800 alarm how do i change the alarm code.at the moment its 1234 and i need to change it,thanks

robert casban
November 2009
Thorn TC3800Security Systems, Home Alarm SystemsChange Alarm Code

Automatic Answer

While you wait for answers, we may have found some information which could help you.

Click here for Change Alarm Code

Mend Security Systems, Home Alarm Systems
Mend repair fix Thorn TC3800 home alarm systems
Mend Security Systems, Home Alarm Systems

Yale alarm app requires password/login?
Mend door switch close

Door chime?
Mend Security Systems, Home Alarm Systems

Missing key Logic 4?
Mend system book control

Cooper Scantronic 9448 alarm?
Mend alarm house years ago

How to turn of tamper alarm on Logic Six house alarm?
Mend house alarm bf fault

Thorn tc3800 house alarm?
Mend alarm son reset

Scantronic 9651 alarm?
Mend alarm panel user code

Veritas Alarm panel unable to set user code?
Mend Security Systems, Home Alarm Systems

Micromark 6 zone easyfit intruder alarm?
Mend scantronic light replaced

Tamper won't go off?
Mend power cut alarm works

Door sensors?
Mend Security Systems, Home Alarm Systems

Factory reset?

How to mend ...

Find out how to mend just about anything howtomendit.com for free repair help, information and advice.

Related Categories

Mend Car Alarm Systems
Car Alarm Systems

Mend Security Systems, Home Alarm Systems
Mend repair fix Thorn TC3800 home alarm systems

Try fixfault.com to fix home alarm systems.