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Troubleshooting A MaxxAir MaxxFan That Only Works On The Highest Speed Setting  


Hello My maxair fan only works at the highest level and air goes out. I was able to use it normally before. Changing settings from 1-10 and air input and out. I cant control any changes manually or remote. I tried resetting the temperature setting but no luck. Help me please


Expert Reply:

If your MaxxFan Plus Roof Vent w/ 12V Fan, Thermostat, and Remote - Powered Lift - 10 Speed - Smoke # MA00-04500K is only functioning at one setting and not allowing you to control anything else then the circuit board is the most likely cause. Replacement circuit boards are model specific so you'll want to ensure which model you have and choose the correct replacement.

The Replacement Printed Circuit Board for MaxxAir Powered Lift RV Roof Vents w/ Reversible Fan # MA10A21275K is compatible with the following models: MaxxFan Plus: 00-04500K, 00-04700K, 00-04800K, and 00-04900K and MaxxFan Deluxe: 00-0700K, 00-07500K, 00-08500K, 00-08700K, and 00-08900K.

The Replacement Printed Circuit Board for MaxxAir MaxxFan Plus Roof Vents # MA10A04751KS is compatible with the following models: 4751KS, 4761KS, and 4951KS.

expert reply by:
Kevin C

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