Troubleshooting Guide

Troubleshooting 47
8.14 (IDU) PC 03 / (ODU) PC 30 (High pressure protection diagnosis and solution)
Description: Outdoor pressure switch cut off the system because high pressure is higher than 4.4 MPa
Recommended parts to prepare:
• Connection wires
• Pressure switch
• Outdoor fan
• Outdoor main PCB
Troubleshooting and repair: