Friedrich MWM12Y1J Service Manual

Friedrich MWM12Y1J

78 pages

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Service Manual

MWM09Y1J/MRM09Y1J

MWM12Y1J/MRM12Y1J

(Refrigerant R410A)

Models:

Table of Contents

Other manuals for Friedrich MWM12Y1J

Installation And Operation Manual26 pages

Service & Parts Manual135 pages

Questions and Answers:

D
Dawn CollinsAug 18, 2025
Why is my Friedrich Air Conditioner not cooling or heating the room sufficiently?
- J
  Jose NormanAug 18, 2025
  Your Friedrich Air Conditioner might not be cooling or heating the room well due to several reasons. The return or discharge air grille could be blocked, or windows and doors might be open. Check that your setpoint is at a comfortable setting and allow more time for the system to adjust the room temperature. The outdoor coil or indoor filter might be dirty or obstructed. Clean the filter according to the routine maintenance section. If these steps don't resolve the issue, contact a servicer for assistance.
J
Joseph TaylorAug 21, 2025
What to do if my Friedrich Air Conditioner wireless remote control does not work?
- T
  Travis GreenAug 21, 2025
  If your Friedrich Air Conditioner's wireless remote control isn't working, it might be out of frequency range. Try removing and reinstalling the batteries, or replace them altogether.
J
Jean RiceAug 25, 2025
Why is my Friedrich MWM12Y1J indoor unit not blowing air?
- P
  Patrick LyonsAug 25, 2025
  If the Friedrich air conditioner's indoor unit isn't blowing air, it might be in Defrost mode. The unit may have switched off to allow the outdoor coil to defrost in low ambient conditions. The function will resume automatically.
K
Kimberly SanchezAug 27, 2025
Why is my Friedrich MWM12Y1J making noise from indoor unit?
- V
  vanessa98Aug 27, 2025
  The noise from the Friedrich air conditioner's indoor unit could be the sound of the fan or the defrost of the indoor coil. If the noise persists and sounds like a blower or motor issue, contact a service center. The coil can become frosted in some conditions, and the unit will cycle into a defrost mode, which may sound like ice thawing inside. This sound should stop once defrost is complete.
S
Scott KellyAug 30, 2025
Why is there water leaking from my Friedrich MWM12Y1J Air Conditioner outdoor unit?
- S
  Shane MartinezAug 30, 2025
  If water is leaking from the Friedrich air conditioner's outdoor unit, it could be due to condensation forming on the piping while the unit is running in cool mode, ice defrosting into the unit while running in Auto defrost mode, or condensation dripping off the outdoor coil while running in Heat mode.
K
kelleytiffanySep 2, 2025
Why is there moisture on the air vent of my Friedrich MWM12Y1J Air Conditioner?
- D
  Donna Hawkins DVMSep 2, 2025
  If there's moisture on the air vent of your Friedrich air conditioner, condensation may have formed and dripped off the grille due to extended cooling in high humidity.
J
Johnny BrennanSep 5, 2025
Why is there a mist emitted from the vent of my Friedrich MWM12Y1J Air Conditioner in COOL Mode?
- J
  Jennifer KramerSep 5, 2025
  A mist emitted from the vent of your Friedrich air conditioner in COOL Mode is due to high indoor temperature and humidity combined with a rapid cool down in the room. After running for a period of time, the indoor temperature and humidity will decrease, and the mist will fade away.
J
Joseph WalkerSep 8, 2025
Why does my Friedrich MWM12Y1J indoor unit not blow air?
- C
  Colleen LeonardSep 9, 2025
  If your Friedrich Air Conditioner's indoor unit is not blowing air, it might be in Defrost mode. In low ambient conditions, the unit may switch off temporarily to defrost the outdoor coil. The function will resume automatically.
D
David PaulSep 12, 2025
Why is there noise coming from my Friedrich MWM12Y1J indoor unit?
- D
  Daniel HardySep 12, 2025
  The noise from your Friedrich Air Conditioner's indoor unit could be the sound of the fan. If the noise persists, contact a service center. In some conditions, the coil can become frosted, and the unit will cycle into defrost mode; the sound may be ice thawing inside. Once defrost is complete, the sound should stop.

Friedrich MWM12Y1J Specifications

General

Type	Window Air Conditioner
Cooling Capacity	12, 000 BTU
Voltage	115V
Operating Frequency	60 Hz
Amperage	10.8A
Refrigerant	R-32

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