Units Maintenance; Error Code List - Gree GRS-CQ6.0Pd/Na-K Service Manual

AIR-TO-WATERHEATPUMP

UNITS MAINTENANCE

1 ERROR CODE LIST

Complete Unit Code
Code
Error Name
Indication
Outdoor environment
F4
temp sensor error
Defrost temp sensor
F6
error
Discharge temp sensor
F7
error
Suction temp sensor
F5
error
EF Outdoor fan error
Overload protection of
E5 compressor or driver
error
Source of Error Signal
The plug on temperature
sensor is not correctly
connected to the socket on
mainboard.
The resistance of temperature
sensor is not correct.
The plug on temperature
sensor is not correctly
connected to the socket on
mainboard.
The resistance of temperature
sensor is not correct.
The plug on temperature
sensor is not correctly
connected to the socket on
mainboard.
The resistance of temperature
sensor is not correct.
The plug on temperature
sensor is
not correctly connected to the
socket on mainboard.
The resistance of temperature
sensor is not correct.
Mainboard of outdoor unit is
damaged.
The wire connecting the wiring
terminals of the mainboard
breaks.
It is the compressor overload
switch error or the compressor
drive protection, and please
see the indicating lamp on the
main board of the outdoor unit
or the 88 nixie tube for the
protection code.
MAINTENANCE
Control Description
It will be automatically cleared
after the failure is removed.
It will be automatically cleared
after the failure is removed.
It will be automatically cleared
after the failure is removed.
It will be automatically cleared
after the failure is removed.
If it occurs for 6 times during
one hour, it is cleared by
de-energization. If it occurs for
less than 6 times, it will be
automatically cleared.
Drive failure; it will
automatically cleared after 1
min.
be
102