Very good point

来源: rx300 于 2011-01-07 19:44:26 [] [旧帖] [给我悄悄话] 阅读数 : (172 bytes)
回答: Are you sure it's not the thermostat? 由 borisg 于 2011-01-07 19:26:31

Maybe the rely in the thermalstat is worn -- the contact doens't close all the time.  You should hear a tick sound when the contact closes. 

 

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