Part 2 Exceptions And Troubleshooting; How To Locate A Faulty Idu Promptly - Gree Ultra Heat GMV Multi VRF Heat Pump Series Service Manual

Ultra Heat GMV VRF Technical Service Manual

PART 2 EXCEPTIONS AND TROUBLESHOOTING

1 HOW TO LOCATE A FAULTY IDU PROMPTLY

Use the IDU project number enquiry and faulty IDU locating function to locate a faulty IDU or wired
controller's corresponding IDU as follows when multiple IDUs are running in one place:
NOTE1: If the enquired IDU is normal, no fault code will be displayed in the temperature area; if
the unit indoor has multiple faults, fault codes will be displayed in the temperature area at an interval of
C01 Indoor project number and fault enquiry
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