Manualshelf

Troubleshooting Guide

ManualsBrandsMRCOOL ManualsDIY Mini SplitsDIY 36000BTU 3-Ton 4-Zone Ductless MiniSplit A/C&Heat Pump 230V/60 Hz W/1 ft./16 ft., 25 ft., 35 ft., 75 ft. Line Set
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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: