GMV5 Home DC Inverter Multi VRF Units
260
Compressor 1
cover temperature
sensor fault
Compressor 2
cover
temperature
sensor fault
Oil returning 3
temperature
sensor fault
Oil returning 4
temperature
sensor fault
Inverter
compressor drive
AC input voltage
exception
protection
Inverter
compressor drive
AC input voltage
exception
protection
Communication
malfunction
between indoor
unit and receiving
lamp plate
Overflowing
distribution of IP
address
Long-distance
emergency
shutdown
Eliminate indoor
unit long-distance
shielding order
Revision of
length of
connecting
pipe for
outdoor unit
For example, when E4 is displayed on the ODU, find line E and column 4 in the above tables.
The fault is shown in the intersection of the line and column: High exhaust temperature protection.
Note: Previous faults in the system can be inquired on the main board of the ODU and
commissioning software. See n6 Fault Enquiry of the ODU or enquiry function of the
commissioning software for the method.