61
Air to Water Heat Pump
Service Manual- Versati II Series
MAINTENANCE
C5 Indoor capacity switch error
De-energize the unit and then, energize it
again. If the malfunction is removed, the
code will be cleared.
E6
Communication
malfunction(between outdoor
and indoor mainboard)
●
The communication line of the unit is
not connected.
●
The communication line is not through.
●
The communication line of the unit is
not connected correctly.
●
The two ends of communication line
are not mounted with magnetic ring.
●
The outdoor unit is not electrically
powered
It will be cleared once communication
recovers or it will be shown all the time.
E6
Communication
malfunction(between outdoor
mainboard and wired controller)
●
The communication line of the unit is
not connected.
●
The communication line is not through.
●
The communication line of the unit is
not connected correctly.
●
The two ends of communication line
are not mounted with magnetic ring.
●
The outdoor unit is not electrically
powered
It will be cleared once communication
recovers or it will be shown all the time
Fc High pressure sensor error
●
The sensor is damaged.
●
The wire of the sensor is loose.
●
The position of the sensor is wrong
It will be automatically cleared after the
failure is removed.
F9
Heat exchanger-leaving water
temperature sensor error
●
The plug on temperature sensor is
not correctly connected to the socket on
mainboard.
●
The resistance of temperature sensor
is not correct.
It will be automatically cleared after the
failure is removed.
dH
Heat exchanger-leaving water
temperature sensor error
●
The plug on temperature sensor is
not correctly connected to the socket on
mainboard.
●
The resistance of temperature sensor
is not correct.
It will be automatically cleared after the
failure is removed.
F1
Refrigerant liquid line temperature
sensor error
●
The plug on temperature sensor is
not correctly connected to the socket on
mainboard.
●
The resistance of temperature sensor
is not correct.
It will be automatically cleared after the
failure is removed.
F8
Heat exchanger-entering water
temperature sensor error
●
The plug on temperature sensor is
not correctly connected to the socket on
mainboard.
●
The resistance of temperature sensor
is not correct.
It will be automatically cleared after the
failure is removed.
FE
Water tank water temperature
sensor 1 error
●
The plug on temperature sensor is
not correctly connected to the socket on
mainboard.
●
The resistance of temperature sensor
is not correct.
It will be automatically cleared after the
failure is removed.
FL
Water tank water temperature
sensor 2 error
●
The plug on temperature sensor is
not correctly connected to the socket on
mainboard.
●
The resistance of temperature sensor
is not correct.
It will be automatically cleared after the
failure is removed.