Friedrich Popular Questions, Answers, Tips & Manuals

Page 3 of the manual refers. The readout shows Relative Humidity in percentage % where 100% would be soaking wet and 20% would be dry. The weather station on my desk show my room is 32% and DRY. You need to lower the number from 58/60% to make it remove moisture. https://cdn2.hubspot.net/hubfs/1669395/2019%20Literature%20PDFs/Installation%20and%20Operation%20Manuals/Dehumidifiers/Current%20Dehum%20IOM.pdf https://www.google.com/search?q=friedrich+dehumidifier+d50bpa ..

Question edited to add 'make model (what it is)'. Question moved from Computers to Friedrich AC. Black is the Live wire and White is the Neutral return. When you open the unit up, it will just be a straight swap to the connection terminals. https://www.google.com/search?q=ac+black+and+white+wires And here is the wiring diagram for your Friedrich unit. https://www.manualslib.com/manual/1941105/Friedrich-Chill-Premier-Series.html?page=44#manual ..

Question edited for clarity and the correct spelling of the maker. Question moved from Cars and Trucks category. It is the opposite of replacing the cover. Undo the screws and remove the case with the top vents. It _should_ leave the control panel in place but it is does move, be sure to disconnect it. Clean with Tilex Spray to kill the mold and then rinse well and use a strong detergent to remove grime and dust. .

A Power Reset will fix most things. Turn off the power at the breaker for a couple of hours. It resets the main board and all the relays. Service Manuals in the link https://www.google.com/search?q=Friedrich+Model+MR36TQY3JMA+mini+split+blinking+codes ..

Press fan and speed together for 3 seconds

check with a dealer locally that brand is not sold here in usa

Time to get an air conditioning engineer in to service it.

check for blockage if ok check for crack

heating switch over or unit failure --circuit or conrtol failure

That's what happens with loose electric connections. Need to go from the breaker to the AC unit power run inspecting each wire splice, all electric connections need to be clean and tight.
A loose connection becomes electrical resistance and electrical resistance consumes power, power consumed is dissipated as heat. Overheated, charred, discolored connections can be cut off and reconnected when found.
Start by tightening the circuit breaker wires, and neutral if any.

Here's some things that could be causing your issue. A clogged air filter could be one possible cause. However I suspect the units high limit switch is the culprit. This is an image of a high limit switch for visual reference only.

Did you use the Reset button? Did you call (800) 541-6645 and ask Customer Service? Is the Air Conditioner plugged into a power strip? Is the reset on the power unit ON or OFF? If the unit is plugged into a wall AC outlet is the circuit breaker to that AC outlet in need of reset? Is there a foul odor?

Here is a link to the manual but probably need to get a service tech out. The error codes are on page 36 http://friedrich.gear.host/documents/dss/MM18YJ-MM24YJ.pdf

Here is the link to error codes Friedrich PTAC Error Codes

low freon

Possibly just a metal on metal rattle?? Tighten any screws maybe tweak the unit a bit???

need to check for short or burnt circuit or relay keep the compressor supplied with power

low Freon will cause the compressor to short cycle

a replacement motor is about $100.00 plus labor

need to verify the motor is getting voltage to the low speed tap. if so, bad motor. if not, find where the voltage stops. switch or relay! If you need further help, reach me via phone at https://www.6ya.com/expert/thomas_092728000e6acb79