Midea LRSJF-V N1 Owner'S Manual Download

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5 MALFUNCTION CODE OF OUTDOOR UNIT

owner's manual

6. FOLLOWING SYMPTOMS ARE NOT

HEAT PUMP TROUBLES

Symptom 1: The system does not operate

Symptom 2: Change into the Pump mode

during heating mode

The heat pump does not start immediately after the ON/OFF
button on the romote controller is pressed.
If the operation lamp lights, the system is in normal condition.To
prevent overloading of the compressor motor, the heat pump
starts 3 minutes after it is turned ON.

If the operation lamp and the "PRE-DEF indicator(cooling and
heating type) or fan only indicator(cooling only type)" light, it
means you choose the heating model.

When the outlet water temperature drops to the set
temperature, the compressor goes off and the indoor unit
changes to pump mode; when the temperature rises up, the
compressor starts again. It is same in the heating mode.

Symptom 3: White mist comes out of outdoor

unit

Table 5-1

Model

EEPROM error

Communication error of the outdoor chip
and the indoor chip

Communication error of 9177and IPDU

Communication error of outdoor chip and DSP

Outdoor temperature sensor error

Voltage protection error

T3, T4 sensor error

Direct-current fan error

Heating fan error in the area A lasts for 5 minutes

There are two times E6 error in 10 minutes
(recovery will be after power off)

The cooling fin high temperature protection

High pressure protection

Low pressure protection

Compressor current protection

Discharge temperature protection

Outdoor condenser T3 high temperature protection

Typhoon protection

IPDU modules protection

Module protection

Evaporator T2 high temperature protection

Do not match with the indoor and outdoor units

Display

Malfunction or Protection

6kw and 8kw

10kw and 12kw

Display Function Instruction:

1. When stand by, LED displaying the amount of indoor units online which communicate with
outdoor units.
2. When operation, LED displaying frequency value of compressor.
3. When defrost, LED displaying “dF”.