ICP Furnace Showing 80% Limit Fault
December 8, 2025
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Most gas furnaces have several safety limits, main limits, roll-outs, 80%’s will have a DSS (Daft Safety Switch) These safety
Technical Services Manager
North Georgia District
The ACH580 will be the new norm and it’s better to prepare now than later. With doing so, you will be familiar with its presence as well as it operation. The ACH580 ABB VFD’s have a regular keyboard which will need a kit to install the keypad behind plate. It comes with a standard and/or a Bluetooth keypad that can be purchased separately. With the Bluetooth keypad, you can use your phone to see vital information.
To use the Bluetooth, all you have to do is download and install the app for your phone to connect with the Bluetooth keypad. Then, you will have access to the drive information, firmware version, drive type, panel firmware, drive status, and last fault. It will show the fan condition of the main fan and the second fan as well. It will show motor usage in days and amount of time powered on.
Go to Play Store for Android or
Go to APP Store for Iphone
Type “Drivetune” in your search but without the quotation marks.
Most gas furnaces have several safety limits, main limits, roll-outs, 80%’s will have a DSS (Daft Safety Switch) These safety
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