AIR-TO-WATERHEATPUMP MAINTENANCE
104
communication line are not
mounted with magnetic ring.
z The outdoor unit is not
electrically powered
Fc
High pressure sensor
error
z The sensor is damaged.
z The wire of the sensor is loose.
z The position of the sensor is
wrong
It will be automatically cleared
after the failure is removed.
F9
Outlet temperature
sensor error
z The plug on temperature
sensor is not correctly
connected to the socket on
mainboard.
z The resistance of temperature
sensor is not correct.
It will be automatically cleared
after the failure is removed.
dH
Backup outlet
temperature sensor error
z The plug on temperature
sensor is not correctly
connected to the socket on
mainboard.
z The resistance of temperature
sensor is not correct.
It will be automatically cleared
after the failure is removed.
F1
Lliquid pipe temperature
sensor Inside refrigerant
error
z The plug on temperature
sensor is not correctly
connected to the socket on
mainboard.
z The resistance of temperature
sensor is not correct.
It will be automatically cleared
after the failure is removed.
F8
Inlet temperature sensor
error
z The plug on temperature
sensor is not correctly
connected to the socket on
mainboard.
z The resistance of temperature
sensor is not correct.
It will be automatically cleared
after the failure is removed.
FE
The second sanitary
water tank temperature
sensor error
z The plug on temperature
sensor is not correctly
connected to the socket on
mainboard.
z The resistance of temperature
sensor is not correct.
It will be automatically cleared
after the failure is removed.
FL
The first sanitary water
tank temperature sensor
error
z The plug on temperature
sensor is not correctly
connected to the socket on
mainboard.
z The resistance of temperature
It will be automatically cleared
after the failure is removed.