Search found 4 matches
- Sun May 01, 2011 1:54 pm
- Forum: EST3
- Topic: Swinging Network Overflow Problem
- Replies: 4
- Views: 8534
Swinging Network Overflow Problem
Has anybody encountered a network overflow that's intermittent in an EST3 fire alarm system. I have 3 panels which are wired Class B using RS485, having a Main Panel come first then a Satellite panel and last a repeater panel at the end of the network with approx. distance between them of 600 mtrs. ...
- Mon Apr 25, 2011 9:04 am
- Forum: EST3
- Topic: Ground Fault on Panel
- Replies: 2
- Views: 3780
Re: Ground Fault on Panel
I did remove all the modules and the ground fault disappeared. But when I connect any of the two Amplifiers(ZA-40/70) in a cab7 panel the ground re-appears. I now guess its the Amp that are causing this ground fault
- Sun Apr 24, 2011 5:07 pm
- Forum: EST3
- Topic: Ground Fault on Panel
- Replies: 2
- Views: 3780
Ground Fault on Panel
What causes ground fault even when all the field connections are disconnected from the control panel?
The power supply grounding is properly done..
The power supply grounding is properly done..
- Sun Apr 24, 2011 5:04 pm
- Forum: EST3
- Topic: Relay Base
- Replies: 0
- Views: 2846
Relay Base
Hi, I have a site containing relay bases, which seems to cutoff the loop voltage to a certain level. Beyond this point the detectors are not working even after bypassing the first Relay base where the problem is occuring. The detector detector in this relay base doesn't work or its green led doesn't...