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Haier · Split air conditioners · Haier Flexis Plus (wall-mounted split, R32)

F4Compressor discharging temperature protection

Name in the manufacturer's documentation (service manual): Compressor discharging temperature protection[1]

In plain words (editorial)

Compressor discharge temperature protection. The service manual lists the expansion valve, the thermistor, the PCB or refrigerant leakage.

When to call a service technician: Call a service technician; refrigerant work needs F-gas certification.

✎ editorial – written from the cited sources, not a manufacturer statement. Status: draft.

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. [1] Haier – Service Manual, Model AS35S2SF1FA-BH (Flexis Plus), Version V1, 2020-11-14 (V1 (2020-11-14)) , p. 29 official manufacturer document quote verified Compressor discarging temperature
  2. [2] Haier – Service Manual, Model AS35S2SF1FA-BH (Flexis Plus), Version V1, 2020-11-14 (V1 (2020-11-14)) , p. 37 official manufacturer document quote verified Electronic expansion valve defective
  3. [3] Haier – Service Manual, Model AS35S2SF1FA-BH (Flexis Plus), Version V1, 2020-11-14 (V1 (2020-11-14)) , p. 37 official manufacturer document quote verified Faulty thermistor
  4. [4] Haier – Service Manual, Model AS35S2SF1FA-BH (Flexis Plus), Version V1, 2020-11-14 (V1 (2020-11-14)) , p. 37 official manufacturer document quote verified Faulty PCB
  5. [5] Haier – Service Manual, Model AS35S2SF1FA-BH (Flexis Plus), Version V1, 2020-11-14 (V1 (2020-11-14)) , p. 37 official manufacturer document quote verified The cryogen may have been leaked during
  6. [6] Haier – Service Manual, Model AS35S2SF1FA-BH (Flexis Plus), Version V1, 2020-11-14 (V1 (2020-11-14)) , p. 37 official manufacturer document quote verified The sensor is damaged. Replace the sensor
  7. [7] Haier – Service Manual, Model AS35S2SF1FA-BH (Flexis Plus), Version V1, 2020-11-14 (V1 (2020-11-14)) , p. 37 official manufacturer document quote verified The outdoor mainboard is damaged and needs be