Lutz-Jesco TOPAX MC - User Manual

Questions and Answers

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Robert BarrettAug 3, 2025
What to do if Lutz-Jesco TOPAX MC Controller loses all settings after disconnecting and reconnecting?
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  Kimberly WalshAug 3, 2025
  If your Lutz-Jesco Controller loses all settings after being disconnected from the power and then reconnected, the battery might be empty. First, check the battery voltage under System > Information > System values. If the voltage is below 2.9 V, replace the battery.
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nicole84Aug 7, 2025
Why is my Lutz-Jesco TOPAX MC Controller off?
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  Samuel Robertson DVMAug 7, 2025
  If your Lutz-Jesco Controller is off, it could be due to a couple of reasons. The power supply might have been interrupted, in which case you should restore the power supply. Alternatively, the device fuse might be defective, requiring you to replace the fuse.
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Joseph WilliamsAug 13, 2025
What to do if Lutz-Jesco TOPAX MC Controller displays a sensor error as an alarm?
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  denniscatherineAug 13, 2025
  If your Lutz-Jesco Controller displays a sensor error as an alarm, it could be due to incorrect sensor installation. Ensure the sensor is correctly connected. Another possible cause is a break in the signal cable to the sensor; if this is the case, replace the signal cable.
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Virginia RossAug 17, 2025
Why does my Lutz-Jesco Controller lose settings after disconnecting from the network?
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  Sabrina VargasAug 17, 2025
  If your Lutz-Jesco Controller loses all settings after being disconnected and reconnected to the network, it could be due to an empty battery. First, check the battery voltage under System > Information > System values. If the voltage is below 2.9 V, you should replace the battery. If checking the voltage is not an option, simply replace the battery.
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hicksvictoriaAug 23, 2025
What to do if my Lutz-Jesco TOPAX MC Controller is off?
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  jonathanoliverAug 23, 2025
  If your Lutz-Jesco Controller is off, there are a couple of potential reasons. First, check if the power supply has been interrupted and restore it. If the power supply is fine, the device fuse may be defective, and you should replace it.
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Robert GloverAug 28, 2025
How to fix a sensor error alarm on my Lutz-Jesco TOPAX MC Controller?
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  Allison BuckleyAug 28, 2025
  If a sensor error is displayed as an alarm on your Lutz-Jesco Controller, it could be due to the sensor not being installed correctly. Ensure that the sensor has been connected correctly. Alternatively, the signal cable to the sensor might have a break, in which case you should replace the signal cable.