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Error Code Description Solution (10E ) Low Water Pressure due to depressurize system. After pressurizing you probably raised it to high, Ensure all air is purged from the system this should reduce presure Easy to do with rad bleeders if that's what you have and all shutoff valves are open Check boiler and system for leaks Ensure the pressure in the expansion tank is 11.6 psi Fill the system between 1 and 1.5 bar on the pressure gauge. If an 10E error code persists jump the leads on the low water cutoff. If the boiler fires up change the low water cutoff switch. Note: If the expansion tank is low on pressure pump it back up to 11.6 psi. If the expansion tank produces water at the Schrader valve change the expansion tank
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