Cooper Notification SP40S Series

Questions and Answers

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Gerald Conley DDSAug 21, 2025
Why is there excessive noise from the speakers in my Cooper Notification SP40S?
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  jasmine77Aug 21, 2025
  If you are experiencing excessive noise from the speakers of your Cooper Notification Conference System, ensure that the 4 metal standoffs are installed and securely fastened. Also, verify that the 4 screws are installed and securely fastened. The motherboard may not be properly grounded to the enclosure.
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mandersonSep 4, 2025
What causes Strobe Notification Appliance Circuit to be open in Cooper Notification Conference System?
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  William ThompsonSep 4, 2025
  If the Strobe Notification Appliance Circuit is open in your Cooper Notification Conference System, check for proper EOLR. Check the strobe notification appliance circuit wiring for an open condition.
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Jason WilliamsSep 2, 2025
What to do if the Audio Notification Appliance Circuit is Open in Cooper Notification SP40S Conference System?
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  Kyle GregorySep 3, 2025
  If the Audio Notification Appliance Circuit is Open in your Cooper Notification Conference System, check for proper EOLR. Also, check the speaker notification appliance circuit wiring for an open condition.
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Ashley McknightSep 1, 2025
How do I troubleshoot Ground Fault Trouble on Cooper Notification SP40S?
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  Andre KnightSep 1, 2025
  To troubleshoot a Ground Fault Trouble in your Cooper Notification Conference System, disconnect appliances from the strobe (TB12) and speaker (TB4) connections on the motherboard. Check the NAC circuits by checking for a resistance reading other than infinity between the appliance leads and the conduit.
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Mary WatersAug 30, 2025
Why is the Digital Voice Signal too low or missing in my Cooper Notification SP40S Conference System?
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  Kevin RiveraAug 31, 2025
  If the Digital Voice Signal is too low or missing in your Cooper Notification Conference System, check the memory chip (U31) to ensure it is installed properly. Verify that messages are recorded on the chip by activating them using the display buttons. Check the Digital Voice volume control (R73) for proper volume level. If the issue persists, consider replacing the motherboard.
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Jason JenkinsAug 29, 2025
How to resolve Strobe Over current Protection being active on Cooper Notification SP40S?
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  Brittany RussellAug 29, 2025
  If Strobe Over current Protection is active in your Cooper Notification Conference System, check the strobe output for excessive current calculation (2.0A for strobe circuit). If excessive current is calculated, remove appliances until the strobe current is below 2.0 Amps. If excessive current does not exist, and the strobe output is not operating, reset the SP40S by removing AC and battery power. Wait 30 seconds and reapply power. AC first and then batteries.
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beckerjoshuaAug 27, 2025
What causes Audio Over current Protection to activate in Cooper Notification SP40S?
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  Travis WhiteAug 27, 2025
  If the Audio Over current Protection is active in your Cooper Notification Conference System, check the TB4, Audio Out terminals, and speaker wiring for shorts. Ensure the speakers are tapped correctly. You can also try resetting the SP40S by removing AC and Battery power, waiting 30 seconds, and then reapplying power (AC first, then batteries). If the issue persists, consider replacing the motherboard.
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Anthony TaylorAug 27, 2025
How to fix missing or low AC input voltage in Cooper Notification SP40S Conference System?
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  baldwintracyAug 27, 2025
  If the AC input voltage is missing or low in your Cooper Notification Conference System, check fuse F2 on the motherboard and replace it if necessary (250V, 10A). Check for AC voltage at TB9. If voltage is not present, check the wiring and circuit breaker. If voltage is present and fuse F2 is not open, consider replacing the motherboard.
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Mary BarberAug 25, 2025
What to do if the battery voltage is low or missing in my Cooper Notification Conference System?
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  Deborah RiosAug 26, 2025
  If the battery voltage is below 20.4 VDC or the battery is missing in your Cooper Notification Conference System, first check the battery compartment for the presence of batteries and install them if they are missing. Ensure the batteries are properly wired. Check for 24VDC at the (+, -) BAT connection at TB10 on the motherboard. If the voltage is below 18.5VDC, the battery charging section of the motherboard may be inoperable, consider replacing the motherboard. If all steps are satisfied, replace the batteries.
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Rhonda GreenAug 23, 2025
How to troubleshoot missing AC and battery power in Cooper Notification Conference System?
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  davidfriedmanAug 23, 2025
  If AC and battery power are missing in your Cooper Notification Conference System, check for AC voltage at TB9 on the motherboard. If voltage isn't present, inspect the AC input wiring. If AC voltage is present, check if fuse F2 is blown and replace the fuse (250V, 10A) if needed.