©
CIAS Elettronica S.r.l.
Ed.
2.0
Installation Manual
Pag. 44 of 46
Murena Plus 12, 24, Curtain
Analogue Values screenshot for Murena Plus 24
6 MAINTENANCE
AND
SERVICE
6.1 Fault Finding
In case of unwanted alarms of fault indications check the parameters set during installation
and if they are found to exceed the various limits review section 4 Set-up and verification.
Fault
Possible Cause
Possible Solution
Fault Led on
Voltage high or low
Check power supply voltage
Temperate high or low
Check detector temperature
Alarm Led on
Movement or obstacles in the
protected area
Ensure that the protected field is free of
obstacles and that there are no objects
or people moving in the field.
Masking alarm active
Check threshold settings and acquire
the field value 4.1.1 b)
Front end microwave fault
Replace the front end
Tamper Led on
Micro-switch open
Close micro-switch