Mitsubishi error code 04 9F

[jacey96]

My hard wired mitsubishi heavy air con controller shows 'wait 04 9F'. Can't switch off the controller. Reset via powering off but same result. Is there anyway to force an eng test mode please?

 

[Residem]

I guess it is cooling after all.... Might need to offer some more details up.

 

[jacey96]

What details are required please?

 

[Brizzles]

What details are required please?

This is a forum that mainly specialises in PC / Computer related equipment.

I dont think you will get much help with Air-Con problems.

 

[TrojanWhore]

My hard wired mitsubishi heavy air con controller shows 'wait 04 9F'. Can't switch off the controller. Reset via powering off but same result. Is there anyway to force an eng test mode please?

Need Help with a Mitsubishu [Archive] - Refrigeration-Engineer.com forums

I would appreciated any help I can receive regards with a Mitshubishi Inverter Split Wall Mount heat pump. Model Number FDKA 201 Unit has a hard wired remote controller On starting the remote controller displayerd the following: 04 9F Then 2 hand ( palm) symbols with the word, " WAIT...

www.refrigeration-engineer.com

SOLVED: Fault code 049f,this fault shows on hard wired - Heating & Cooling | Fixya

fault code 049f,this fault shows on hard wired controler connected to high wall unit? - Heating & Cooling question

www.fixya.com

 

[Rroff]

This section of the forum would be more appropriate https://forums.overclockers.co.uk/community/home-and-garden.151/ and more likely to get answers on stuff like this there.