LE Low Temperature Click to see full answer. Moreover, what does PL mean on air conditioner?P8: IPM high temperature protection. U3: PN voltage drop protection. PL: Low PN voltage protection. Pc: Current detect circuit malfunction or Current sensor malfunction. Ld: Compressor loss of phase protection.Also, what does p1 mean on an air conditioner? P1 or H8 – Water reservoir is full. Unplug unit. Drain tank according to instructions found in user manual. Plug unit back in and power on. E1 or F1 – Ambient room temperature error. In this way, how does a DeLonghi air conditioner work? With precision engineered CircuFlow fan technology, The DeLonghi portable air conditioners keep any room cool. A proper balance of hot air exhausted out the window, cool air into the room, and humidity level decreased, creates BTU DeLonghi comfort. Fan, cool, heat, dehumidifier, or air purify.What is IPM malfunction?Follow. P0 error code indicates a IPM malfunctioning because of a strong current. This type of problem can be caused by a wiring mistakes, a defective circuit board or a outdoor fan speed malfunction.

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