Ask Experts Questions for FREE Help !
Ask
    Elly123's Avatar
    Elly123 Posts: 1, Reputation: 1
    New Member
     
    #1

    Aug 10, 2015, 08:09 PM
    Robertshaw 9420 thermostat
    My robertshaw 9420 thermostat is set on 78 and will not adjust up or down. Please advise.

Check out some similar questions!

My robertshaw 9420 thermostat is blank [ 0 Answers ]

My robertshaw 9420 is blank unit will come on but display is still blank

Robertshaw thermostat 9420 [ 0 Answers ]

I have two units, one upstairs and one downstairs. I recently had both capacitors replaced in my outside units now they are running great. My question is on my Robertshaw 9420 thermostats on the bottom it says cool with the fan symbol turning on the left and two fan symbols turning on the right of...

RobertShaw 9420 Thermostat [ 8 Answers ]

My thermostat keep shutting off altogether. No reading or anything. After a day of so, it will click back on by itself. Usually when I've had the controls in the off position rather than cool or heat. Once it comes back to life I can turn the ac on but it normally goes out again within a few...

Robertshaw 9420? [ 1 Answers ]

Very hot today. AC is shutting off before it reaches the setpoint. When it comes back on there are 2 snowflake icons in the display instead of one. What is the difference and is this normal.

Robertshaw thermostat 9420 [ 0 Answers ]

I set my temperature to 74 F last night. When I got up the temperature had automatically turned to 45 F. The air conditioner was running all night. This morning I set it back to 74 F, the temperature again went back to 45 F in a minute. I also tried to reset the thermostat. It did not work. What...


View more questions Search
 

Question Tools Search this Question
Search this Question:

Advanced Search

Add your answer here.