Gree GMV5 Compact Series - Page 87

0 85 MAINTENACE
GMV5 COMPACT MULTI VRF UNIT
SERVICE MANUAL
2.9 High/Low-Pressure Sensor Error
Pressure sensor error
Check if the plug of high pressure sensor is
correctly connected to the socket?
Measure if the output value (DC voltage) of the
outdoor mainboard socket is normal?
Replace the mainboard of outdoor unit
Replace the high pressure sensor
Check the orientation of plug and socket
YES
YES
NO
NO
2.10 IPM temperature sensor error
Indoor unit displays PO
Outdoor unit displays P7,PF,P6
Replace the mainboard
Work normally