Gree GRS-CQ6.0Pd/Na-K Service Manual page 111

AIR-TO-WATERHEATPUMP
Gas pipe temperature
F3 sensor inside refrigerant
error
other thermal outlet
dF
temperature sensor error
Remote room
F0
temperature sensor error
Ec Water switch error
Indoor anti-frozen
E2
protetion
Sanitary water tank
No display
High-temp protection
outlet temperature
High-temp protection
(This error code will not
Ed
displayed on wired
controller but only on
mainboard of outdoor unit)
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.
The switch is damaged.
The wire of the switch is loose.
The position of the switch is
wrong
The resistance of temperature
sensor is not correct.
The electric expansion valve
can not work normally.
The resistance of temperature
sensor is not correct.
The plug on temperature
sensor is not correctly
connected to the socket on
mainboard.
Mainboard of outdoor unit is
damaged.
The resistance of temperature
sensor is not correct.
The plug on temperature
sensor is not correctly
connected to the socket on
mainboard.
MAINTENANCE
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 cleared after the
unit is turned off.
It will be cleared
malfunction is removed or it
will be shown all the time; but
it will be cleared immediately
when switching operation
mode.
Press ON/OFF key to clear
De-energize the unit and then,
energize it again. If
malfunction is removed, the
code will be cleared.
once
the
105