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Edwards Est
Io1000
098
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NAC 1 trouble: iO1000 Trouble Code | Fire Alarm Resource Center
NAC 1 trouble
trouble
Edwards EST iO1000
91 views
·
0 field notes
What This Code Means
An open or short was detected on NAC 1 or there is a problem with the EOL
Common Causes
1
Missing 15K Ohm EOL resistor
2
Broken wire in the notification circuit
3
Shorted horn or strobe unit
Resolution Steps
Check for the presence of the End-of-Line resistor. Measure the circuit resistance to determine if an open or short exists.
Manual References
(3)
1
edwards est
iO64 and iO1000
Datasheet
2020
p. 1
Open
2
edwards est
iO64 and iO1000
Datasheet
2023
p. 1
Open
3
edwards est
iO64 and iO1000
Installation
2015
p. 186, 160, 61, 187, 189 +2
Open
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Related Codes
Internal fault
The control panel detected an internal hardware or software error
Dialer delivery fail
The dialer failed to deliver a message to the receiver
Dialer line 1 fault
A ground fault or line fault was detected on line 1 of the dialer
Loop 1 uncfgrd trouble
A device on loop 1 that is not programmed went into trouble
Supervisory
A supervisory event is taking place on the control panel, indicating an off-normal condition on a monitored circuit or device.
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