MrCool DIY-MULTI5-48HP230C - 8.15 Low Pressure Protection (PC 03;PC 31)

 Troubleshooting 49 
8.15 (IDU)PC 03/(ODU)PC 31 (Low pressure protection diagnosis and solution)
Description: Outdoor pressure switch cut off the system because low pressure is lower than 0.13 MPa, the LED displays
the failure code.
Recommended parts to prepare:
• Connection wires
• Outdoor PCB
• Low pressure protector
• Refrigerant
Troubleshooting and repair: