Error code P2: Low pressure alarm
Is the heat exchanger of the indoor unit heavily
soiled?
YES
Carefully clean the register
NO
Are the fan motors working?
NO
)
YES
Is the ambient temperature of the indoor unit
above the usable limit?
NO
Switch off unit and wait until the unit is back
inside the usable limits
YES
Is the plug of the pressure switch correctly
mounted on the board?
NO
Correctly mount the plug
YES
Is the refrigerant piping kinked?
YES
Suction refrigerant back off, replace pipe, per-
form pressure test and evacuate, put back into
operation
NO
Is too little refrigerant in the cooling cycle?
YES
Fix leak, top up refrigerant
NO
Replace low pressure switch. Is the fault still
present?
YES
Replace the control board, outdoor unit
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Содержание MVV 1200 Dc
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