Gree GRS-CQ14Pd/NhG-M - Page 68

Unit Control
board
44
AC contactor protection or input over-zero error
AC contactor
P9
45
Temperature drift protection
Temp. drift
PE
46
Sensor connection protection ( the current
sensor fails to be connected with the
corresponding phase U and or phase V)
Sensor con.
Pd
47
Communication error between the display
panel and the outdoor unit
ODU Com.
E6
48
Refrigerant vapor line temperature sensor error
Temp RGL
F0
49
Refrigerant liquid line temperature sensor error
Temp RLL
F1
3.2.5.4 Error Log
[Operation Instructions]
★
At the ―
VIEW
‖ page, by touching ―
Error log
‖, the control panel will go to the error log page, where it is
able to view error records.
[Notes]:
● The error log can accommodate up to 20 pieces of error. Name and occurrence time are available for
each error.
● When error log exceeds 20, the latest will supersede the earliest.
3.2.5.5 Version Viewing
[Operation Instructions]
★
At the ―
VIEW
‖ page, by touching ―
Version
‖, the control panel will go to the version view page, where
it is able to view both the program version and protocol version.