Mitsubishi Electric · Split air conditioners · Mitsubishi Electric MSZ-AP (wall-mounted split, R32)
5 blinksOutdoor power system
Name in the manufacturer's documentation (service manual): Outdoor power system
[1]
In plain words (editorial)
Outdoor power system: the compressor stopped 3 times in a row within 1 minute after start-up due to overcurrent or start-up failure protection. The indoor and outdoor units do not operate.
When to call a service technician: Contact an authorised Mitsubishi Electric service technician.
✎ editorial – written from the cited sources, not a manufacturer statement. Status: draft.
For technicians
Detection conditions (source text)
- It consecutively occurs 3 times that the compressor stops for overcurrent protection or start-up failure protection within 1 minute after start-up.[2]
Steps given by the manufacturer (source text)
What the device does (source text)
- Indoor unit and outdoor unit do not operate.[5]
⚠ Work on refrigerant circuits, mains electricity and PV DC wiring is for qualified technicians only.
The Polish page has more detail (plain-language explanation, safe checks, guides): Read in Polish →
Sources
Every statement has a footnote to the document and PDF page. “Quote verified” means the quote was found automatically in the text of that page.
- [1] Mitsubishi Electric – Service Manual: Indoor unit MSZ-AP25VG(K) … MSZ-AP71VG(K) (OBH788 REVISED EDITION-B) (OBH788 REVISED EDITION-B) , p. 34 official manufacturer document quote verified
5-time blink
- [2] Mitsubishi Electric – Service Manual: Indoor unit MSZ-AP25VG(K) … MSZ-AP71VG(K) (OBH788 REVISED EDITION-B) (OBH788 REVISED EDITION-B) , p. 34 official manufacturer document quote verified
pressor stops for overcurrent protection or
- [3] Mitsubishi Electric – Service Manual: Indoor unit MSZ-AP25VG(K) … MSZ-AP71VG(K) (OBH788 REVISED EDITION-B) (OBH788 REVISED EDITION-B) , p. 34 official manufacturer document quote verified
verter/compressor".
- [4] Mitsubishi Electric – Service Manual: Indoor unit MSZ-AP25VG(K) … MSZ-AP71VG(K) (OBH788 REVISED EDITION-B) (OBH788 REVISED EDITION-B) , p. 34 official manufacturer document quote verified
Check the stop valve.
- [5] Mitsubishi Electric – Service Manual: Indoor unit MSZ-AP25VG(K) … MSZ-AP71VG(K) (OBH788 REVISED EDITION-B) (OBH788 REVISED EDITION-B) , p. 34 official manufacturer document quote verified
outdoor unit do