Question 3: What troubleshooting steps can be taken to resolve E119 errors?

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Grade: Education Subject: Support
Question 3: What troubleshooting steps can be taken to resolve E119 errors?
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Initial troubleshooting steps include checking the wiring connections at the boiler and control unit, verifying the thermostat sensor is functioning correctly, and ensuring the heating valve is open. A multimeter can be used to test for continuity and voltage.