ADT Security Services 200 Plus Manuale Utente

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Troubleshooting Guide 
During operation of your FOCUS
 200 PLUS security system, your 
operating panel may display error or trouble messages, which restrict system 
operation. To display additional information regarding trouble or error 
messages, press the "Help" selector button “?”. The chart below also 
provides a list of these messages, a brief explanation and the required action 
to resolve the problem.  
Note: If a system trouble condition or error message persists, contact your 
ADT Service Representative for assistance. 
Trouble or Error Display Description Action 
System has battery power only. 
 
Cannot turn on! AC power is 
off. 
AC electrical power has 
been interrupted or 
disconnected. 
•  Check the status of AC 
power throughout the 
facility. 
•  Check that the Central 
Control Unit transformer is 
plugged into an AC 
electrical outlet. 
•  Check the circuit breaker 
for the Central Control Unit 
AC electrical outlet. 
Cannot turn on! Battery power 
is low. 
Your system’s standby 
battery is low. 
If AC power has recently 
been interrupted or 
disconnected, it will be 
several hours before the 
standby battery re-
charges. 
If AC power has not been 
interrupted or 
disconnected, the 
standby battery may be 
defective. 
•  Check availability of AC 
power (to re-charge the 
standby battery). 
•  Check that the Central 
Control Unit transformer is 
plugged into an AC 
electrical outlet. 
•  Check the circuit breaker 
for the Central Control Unit 
AC electrical outlet.