Staff Answer
Sep 28, 2026 - 07:34 AM
If it's freezing with a good thermistor, the power board is likely keeping the heat on (a stuck relay). On a 2017 Polar model, the 639593 power board is the usual fix, and it's in stock. Send us your model number to confirm.
If you have any questions, just reach out at info@rvfridgeguys.com or call us at 800-712-8822. You can find everything we carry at www.rvfridgeguys.com.
