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    swampape's Avatar
    swampape Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Nov 29, 2009, 11:09 AM
    Robert Shaw model #9420 flashing
    Cannot get thermostat to do anything except turn on ?off the fan. Display is flashing. Pressing the light button does not even turn on light
    KC13's Avatar
    KC13 Posts: 2,556, Reputation: 99
    Ultra Member
    		  
    #2

    Nov 29, 2009, 12:19 PM

    Does this thermostat use batteries? If so, try replacing. Check for battery leakage, clean off if necessary.
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