I use simplex 4100 es, Here problem is suddenly panel show all card missing, now panel is running but no device respond.Please help me in this regard …
tofayel
This is a critical situation. Your system is unable to sense or respond to a fire emergency.
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You need to place a system down service call with your service provider so a technician can diagnose and repair the system.
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You need to immediately start a fire watch and continue that until the system is repaired.