THE COMPLETE UNIT WILL STOP OPERATING.
REPAIR:
1) THE LPP CONNECTION TERMINAL WIRES OF THE PCB DOESN’T CONNECT WELL WITH THE HIGH PRESSURE SWITCH:
SOLUTION 1) CHECK IF THE LPP CONNECTING TERMINAL WIRES OF THE PCB CONNECT WELL WITH THE HIGH PRESSURE SWITCH
2) THE WIRING OF THE HIGH PRESSURE SWITCH CIRCUIT IS BROKEN, OR THE HIGH PRESSURE SWITCH IS BROKEN:
SOLUTION 2) CHECK IF THE WIRES OF THE HIGH PRESSURE SWITCH CIRCUIT ARE LOOSE OR NOT, AND CHECK IF THE HIGH PRESSURE SWITCH IS OK
3) THE SYSTEM LACKS REFRIGERANT OR THERE IS A REFRIGERANT LEAKAGE:
SOLUTION 3) CHECK IF THE SYSTEM LACKS REFRIGERANT AND CHECK IF THERE IS A REFRIGERANT LEAKAGE. IF A LEAKAGE EXISTS, PLEASE REPAIR IT AND REFILL REFRIGERANT
4) THE INPUT OF THE LPP HAS A HIGH LEVEL:
SOLUTION 4) CHECK IF THE INPUT OF THE LPP HAS A HIGH LEVEL OR NOT
5) THE PANEL OF OUTDOOR UNIT COULD NOT BE FIRMLY CLOSED:
SOLUTION 5) CHECK IF PANEL OF OUTDOOR UNIT IS FIRMLY CLOSED
6) CHECK IF THE LOW PRESSURE SWITCH IS DAMAGED OR NOT