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Lochinvar pool water heater Lockout problem

Erico316 Member Posts: 1
edited May 2021 in Radiant Heating
Hi, i have a problem in a pool water heater lochinvar Cooperfin II 502-2072

First i reicibe this error

But now send this error

recent i clean the water weater, what can i do?. thnks for any help


    JUGHNE Member Posts: 9,904
    How old is this and has it ever been cleaned?
    delta T