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Simplex
4100es
Class A Trouble
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Class A Trouble: 4100ES Trouble Code | Fire Alarm Resource Center
Class A Trouble
trouble
Simplex 4100ES
105 views
·
0 field notes
What This Code Means
A break in the wiring has occurred on a Class A (Style 6 or 7) circuit.
Common Causes
1
Open circuit
2
Broken wire
3
Loose terminal connection
Resolution Steps
Trace the circuit wiring to locate the break and restore continuity to the return path at the panel.
Manual References
(3)
1
simplex
4100ES Fire Control Units
Datasheet
2025
Open
2
simplex
4100ES
Programming
2011
Open
3
simplex
4100ES
Installation
2017
p. 12
Open
Getting Class A Trouble on your 4100ES?
Ask TroubleShooter AI for help
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Field Notes
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Related Codes
No Answer/Bad Answer
A programmed device is either not responding or is sending invalid data to the panel.
Output Abnormal
An output circuit, such as a NAC, is not in its expected electrical state.
Extra Device
A device is responding at an address that has not been programmed into the system configuration.
DIAGNOSTIC LED ACTIVE
The system diagnostic LED is currently active, indicating a diagnostic process is running or a hardware fault is being signaled.
RECURRING TROUBLE FILTER ACTIVATED
The system has activated a filter to suppress recurring intermittent trouble signals to prevent nuisance notifications.
Related Questions
What does 'IDNet Extra Device' trouble mean on the 4100ES and how do I resolve it?
How do I troubleshoot a ground fault on the Simplex 4100ES using the Earth Fault Search?
What is IDNet and how does it differ from other SLC protocols like FlashScan or Signature?
Class A Trouble
trouble
Simplex 4100ES
105 views
·
0 field notes
What This Code Means
A break in the wiring has occurred on a Class A (Style 6 or 7) circuit.
Common Causes
1
Open circuit
2
Broken wire
3
Loose terminal connection
Resolution Steps
Trace the circuit wiring to locate the break and restore continuity to the return path at the panel.
Manual References
(3)
1
simplex
4100ES Fire Control Units
Datasheet
2025
Open
2
simplex
4100ES
Programming
2011
Open
3
simplex
4100ES
Installation
2017
p. 12
Open
Getting Class A Trouble on your 4100ES?
Ask TroubleShooter AI for help
→
Field Notes
Loading field notes...
Sign in
to share a field note
Related Codes
No Answer/Bad Answer
A programmed device is either not responding or is sending invalid data to the panel.
Output Abnormal
An output circuit, such as a NAC, is not in its expected electrical state.
Extra Device
A device is responding at an address that has not been programmed into the system configuration.
DIAGNOSTIC LED ACTIVE
The system diagnostic LED is currently active, indicating a diagnostic process is running or a hardware fault is being signaled.
RECURRING TROUBLE FILTER ACTIVATED
The system has activated a filter to suppress recurring intermittent trouble signals to prevent nuisance notifications.
Related Questions
What does 'IDNet Extra Device' trouble mean on the 4100ES and how do I resolve it?
How do I troubleshoot a ground fault on the Simplex 4100ES using the Earth Fault Search?
What is IDNet and how does it differ from other SLC protocols like FlashScan or Signature?
