Error code P1: High pressure fault
Is the heat exchanger of the outdoor unit
heavily soiled?
YES
Carefully clean the register
NO
Are the fan motors working?
NO
(See
YES
Is the ambient temperature of the outdoor 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 much refrigerant in the cooling cycle?
YES
Suction off refrigerant and refill system
NO
Switch off high pressure switch. Is the fault still
present?
YES
Replace the control board, outdoor unit
REMKO MVV...DC
52
Содержание MVV 1200 Dc
Страница 67: ......