GMV DC Inverter VRF
56
Below is relevant error:
07_Detect indoor
components
System detects error in indoor
components.
XXXX is the project no. of the faulted IDU. 3s later, relevant error code is displayed. For
example, IDU no. 100 has d5 error, then LED3 displays like this: 01 (2s later) 00 (2s later) d5,
and repeat again.
Elimination methods of above error can be found in Troubleshooting.
Step 12:
progress 08 is “Confirm preheated compressor”
If more than 8h of preheat time is detected, system will display as below and start next
progress.
08_Confirm
preheated
compressor
Preheat time for compressor is 8h. Start
next progress.
If less than 8h of preheat time is detected, system will give error alarm and display as
below. Then press SW7 confirmation button to skip the wait time and start next progress. But
this will cause force start of the compressor, which may damage the compressor.
08_Confirm
preheated
compressor
Preheat time for compressor is less than
8h.
Step 13:
progress 09 is “Refrigerant judgments before startup”
If the refrigerant quantity inside the system meets the requirement of operation startup,
system will display as below and start next progress.
09_Refrigerant
judgments before
startup
System refrigerant is normal. Start next
progress.
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