GMV5 D.C INVERTER MULTI VRF SERVICE MANUAL
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2 EXCEPTION AND TROUBLESHOOTING
2.1 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:
C01 Indoor project number and fault enquiry
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