Allen Lee Rohner Posted November 21, 2022 Posted November 21, 2022 I notice when the Electric Antifreeze Mode is turn on, the Heating Cartridge makes audible noise which I can hear inside the trailer. To me the noise is loud, is this normal? Allen 2021 Oliver Elite II, Hull # 867, Shiloh, IL 2022 GMC Sierra 1500 AT4, 3.0L Diesel, CarbonPro
Rivernerd Posted November 21, 2022 Posted November 21, 2022 Ours makes a buzzing sound when it is on. I suspect it is normal. Hull #1291 Central Idaho 2022 Elite II Tow Vehicle: 2019 Tundra Double Cab 4x4, 5.7L with tow package
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