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Silent Knight
5820xl
Detector Trouble
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Trouble Codes
Silent Knight
5820xl
Detector Trouble
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Detector trouble: 5820XL Trouble Code | Fire Alarm Resource Center
Detector trouble
trouble
Silent Knight 5820XL
102 views
What This Code Means
A smoke or heat detector is reporting a fault condition to the panel.
Common Causes
1
Dirty detector head
2
Internal device failure
3
Communication error
Resolution Steps
Clean the detector head with compressed air or a vacuum. If the trouble persists, replace the detector.
Manual References
(4)
1
silent knight
5820XL
Installation
2007
Open
2
silent knight
5820XL
Installation
2013
p. 206
Open
3
silent knight
5820XL
Datasheet
2006
Open
Show 1 more reference
Getting Detector trouble on your 5820XL?
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Field Notes
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Related Codes
Water flow switch trouble
A fault has been detected in the wiring or switch of a water flow initiation circuit.
System Power (Flashes)
The panel has lost primary AC power and is running on battery backup.
SBUS expander trouble
Communication failure or hardware fault with an SBUS expansion module.
GROUND FAULT
An earth ground fault occurs when the panel senses an unexpected flow of current from one or more of its terminals to the earth connection (Terminal 2).
Notification trouble
A fault (open or short) has been detected on a Notification Appliance Circuit (NAC).
Related Questions
What does 'KEY BUS TROUBLE' mean on the 5820XL and how do I resolve it?
What is the difference between SK protocol and SD protocol on the 5820XL, and can they be mixed?
How do I program the 5820XL using the 5660 Silent Knight Software Suite?
Detector trouble
trouble
Silent Knight 5820XL
102 views
What This Code Means
A smoke or heat detector is reporting a fault condition to the panel.
Common Causes
1
Dirty detector head
2
Internal device failure
3
Communication error
Resolution Steps
Clean the detector head with compressed air or a vacuum. If the trouble persists, replace the detector.
Manual References
(4)
1
silent knight
5820XL
Installation
2007
Open
2
silent knight
5820XL
Installation
2013
p. 206
Open
3
silent knight
5820XL
Datasheet
2006
Open
Show 1 more reference
Getting Detector trouble on your 5820XL?
Ask TroubleShooter AI for help
→
Field Notes
Loading field notes...
Sign in
to share a field note
Related Codes
Water flow switch trouble
A fault has been detected in the wiring or switch of a water flow initiation circuit.
System Power (Flashes)
The panel has lost primary AC power and is running on battery backup.
SBUS expander trouble
Communication failure or hardware fault with an SBUS expansion module.
GROUND FAULT
An earth ground fault occurs when the panel senses an unexpected flow of current from one or more of its terminals to the earth connection (Terminal 2).
Notification trouble
A fault (open or short) has been detected on a Notification Appliance Circuit (NAC).
Related Questions
What does 'KEY BUS TROUBLE' mean on the 5820XL and how do I resolve it?
What is the difference between SK protocol and SD protocol on the 5820XL, and can they be mixed?
How do I program the 5820XL using the 5660 Silent Knight Software Suite?
