Error code

Mitsubishi Electric MXZ code 2520

For your safety

This fault is rated critical. No remote repair or do-it-yourself instructions are given; do not use the appliance or try to open or repair it.

Hazard area: refrigerant gas circuit

If there is a risk to life, first move to a safe place, then call 112. Do not follow remote repair instructions.

Call 112

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No approved translation for this record yet; showing the original text.

Meaning

Forced compressor stop. (Overlap malfunction of drain pump in indoor unit and linear expansion valve in branch box.) When condition of the outdoor unit is forcefully stopped, which means the drain sensor detects continuously to go under water 5 times, and also detects "[liquid pipe temperature - suction temperature] [ – 10deg" for 30 minutes continuously, the indoor unit and indoor units in same refrigerant system which operates in cooling, heating or dry mode stops abnormally. Also, the outdoor

Member details

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Possible causes

(1) Drain pump trouble (2) Drain defective · Drain pump clogging · Drain pipe clogging (3) Open circuit of drain sensor side heater (4) Contact failure of drain sensor connector (5) Dew condensation on drain sensor · Drain water descends along lead wire. Factor shortage clogging short cycle valve fault cannot be adjusted well due to linear fault. shortage insulation for refrigerant piping short cycle circuit of outdoor unit fault operation of compressor) (Fig. 8-1) of the outdoor unit can be reduced available timer or the contact board of the outdoor unit. temperature and conditions, input adapter (PAC-SC36NA). A Remote control D B Relay circuit External input adapter C (1) D Outdoor unit control E Replay power supply 3 CNDM Fig. 8-1 (Fig. 8-2) a range from 0 to 100 % by performing commercially available input contact parts). into the circuit as shown the outdoor unit, the following Remote control A D B Relay circuit C External input (1) Outdoor unit control D E Replay power 3 Fig. 8-2 function (CN51) A Distant control board Relay circuit B C External output adapter (PAC-SA88HA-E) D Outdoor unit control board L1 : Error display lamp L2 : Compressor operation X, Y : Relay (Coil standard X, Y : Relay (DC1mA) Fig. 8-3

Solution

Solution steps are not shared for faults that may be dangerous.

No do-it-yourself solution is given for this fault. For your safety, call an authorised service.