GMV5 Home DC Inverter Multi VRF Units
214
Corresponding error codes include:
07_Component
detection for
indoor units
XXXX/Corresponding
error code
System detects
component failure
of indoor unit.
XXXX means the project number of faulty indoor unit. 3s later, the corresponding error code
will be displayed. For instance, if no.100 indoor unit has d5 error, then LED3 will display circularly
as below: 01(2s later), 00(2s later), d5.
For details about the above troubleshooting method, please refer to ―Troubleshooting Method‖
Part.
Step 12: Progress 08 is ―Compressor preheating confirmation‖.
If it is detected that compressor has been preheated for more than 8 hours, system will
display as follows and then enter the next progress.
08_ Compressor
preheating
confirmation
System detects that the
compressor preheating time is
more than 8 hours and
automatically enters the next step.
If it is detected that the compressor has not been preheated for more than 8 hours, system will
give error alarm and display as follows. If compressor has been preheated for more than 2 hours,
you can press SW7 button to skip the waiting time and system will automatically enter the next
progress. However, this will cause forcible start of the compressor, which may get it damaged.
08_Compressor
preheating confirmation
8System gives a prompt if the
preheat time for compressor is
less than 8 hours.
Step 13: Progress 09 is Refrigerant detection before startup.
If the refrigerant quantity inside the system meets the operation startup requirements, system
will display as follows and then automatically enter the next progress.
09_Refrigerant
detection before
System detects that refrigerant is
normal and automatically enters
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