RHOSS ELECTA Series - Page 106

Error
Code
Description Relevant part 9HUL¿FDWLRQPHWKRG Solution
E4
Output water
temperature
sensor error
DRAIN TEMP.
OUTPUT
WATER
Check the electrical continu-
LW\ZLWKDWHVWHU>WDEOHV@
Replace the sensor if it is faulty.
E5
Input water
temperature
sensor error
DRAIN TEMP.
INPUT WA-
TER
Check the electrical continu-
LW\ZLWKDWHVWHU>WDEOHV@
Replace the sensor if it is faulty.
FU
Triggered
high pressure
switch
Output air
recirculation
Check the installation room
(air intake and output clog-
ging).
Correct the installation position to prevent the air
intake and output from clogging.
Obstruction in
the PUMP or
in the hydrau-
lic circuit
Check the difference be-
tween the water input and
output. A great difference
PHDQVWKDWWKHÀRZUDWHLV
too low.
Remove the obstruction and resume operation.
P1 Pump error
PUMP or
PCB MAIN
Check the voltage of the
3803>¿J@
If the voltage is normal, replace the PUMP. If
the voltage is abnormal, replace the PCB MAIN
board.
PCB MAIN
Obstruction in
the PUMP or
in the hydrau-
lic circuit
Check the difference be-
tween the water input and
output. A great difference
PHDQVWKDWWKHÀRZUDWHLV
too low.
Remove the obstruction and resume operation.
P3
High pressure
switch error
HIGH
PRESSURE
SWITCH
Check the connection of
the wiring and the incorrect
contact.
If the same error code appears again, replace
the HIGH PRESSURE SWITCH.
U5
Triggered
high pressure
switch
HIGH THER-
MOSTAT
Check the connection of
the wiring and the incorrect
contact.
If the same error code appears again, replace
the HIGH TEMPERATURE THERMOSTAT.
OUTDOOR
TEMP. SEN-
SOR
Check the electrical continu-
LW\ZLWKDWHVWHU>WDEOHV@
Replace the sensor if it is faulty
Gas leak
Check the service valve and
the cooling circuit.
Recover the refrigerant and then reload the
required mass.
It does not cool It does not
heat
4-WAY
VALVE
Check the electrical continu-
LW\ZLWKDWHVWHU>WDEOHV@
In case of an abnormal value, replace the coil.
Air recircula-
tion (insuf-
¿FLHQWDLU
circulation)
Check the installation room
(air intake and output clog-
ging).
Correct the installation position to prevent the air
intake and output from clogging.
WATER
INPUT AND
OUTPUT
TEMP. SEN-
SOR
Check the electrical continu-
LW\ZLWKDWHVWHU>WDEOHV@
Replace the sensor if it is faulty.
Gas leak
Check the service valve and
the cooling circuit.
Recover the refrigerant and then reload the
required mass.
Obstruction in
the PUMP or
in the hydrau-
lic circuit
Check the difference be-
tween the water input and
output. A great difference
PHDQVWKDWWKHÀRZUDWHLV
too low.
Remove the obstruction and resume operation.
When checking the FAN MOTOR and/or the PUMP, disconnect the power supply completely before touching their terminals or
connectors.
If an open circuit is detected by the drain temperature sensor, the error is displayed 10 minutes after the appliance is acti-
vated.
If a closed circuit is detected by the drain temperature sensor, the error is displayed immediately.
106
Section II :: Installation and maintenanceEN