RHOSS ELECTA Series, Instructions For Use Manual

Page: 105 / 344

Error
Code
Description Relevant part
9HUL¿FDWLRQPHWKRG
Solution
A8
Flow tempera-
ture sensor
error
DRAIN TEMP.
SENSOR Check the electrical continu-
LW\ZLWKDWHVWHU>WDEOHV@
Replace the sensor if it is faulty.
C0
PCB MAIN
error
PCB MAIN ------- Replace the PCB MAIN
C1
Upper fan mo-
tor error
FUSE CF7
Check the electrical continu-
ity of FUSE CF2 with a tester
>¿J@
If fuse CF7 is blown, replace the FAN MOTOR
and the fuse. If fuse CF6 is not blown, check the
YROWDJHRIWKH)$102725>¿J@,IWKHYROWDJH
is normal, replace the FAN MOTOR. If the volt-
age is abnormal, replace the PCB MAIN board. FAN MOTOR
Check the voltage of the FAN
02725>¿J@
PCB MAIN
C2
Outdoor
temperature
sensor error
DRAIN TEMP.
OUTDOOR Check the electrical continu-
LW\ZLWKDWHVWHU>WDEOHV@
Replace the sensor if it is faulty.
C3
Lower fan mo-
tor error
Fuse CF7,
CF6
10kW Unit: Check the electri-
cal continuity of FUSE CF6
ZLWKDWHVWHU>¿J@
If fuse CF6 or CF7 is blown, replace the FAN
MOTOR and the fuse. If fuse CF6 or CF7 is not
blown, check the voltage FAN MOTOR and the
fuse. If the voltage is normal, replace the FAN
MOTOR. If the voltage is abnormal, replace the
PCB MAIN board.
13-16kW Unit: Check the
electrical continuity of FUSE
&)ZLWKDWHVWHU>¿J@
FAN MOTOR Check the voltage of the FAN
02725>¿J@
PCB MAIN
C4
Increase in
temperature
(over 110°C)
of the PCB
MAIN
Incorrect
installation
Check the installation room
(air intake and output clog-
ging).
Correct the installation position to prevent the air
intake and output pipes from clogging.
DRAIN TEMP.
PCB MAIN
------- Replace the PCB MAIN
C5
PCB MAIN
sensor error
DRAIN TEMP.
PCB MAIN
------- Replace the PCB MAIN.
C6
PCB MAIN
error
PCB MAIN ------- Replace the PCB MAIN.
C7
Serial error
PCB TERMI-
NAL BLOCK
Incorrect PCB
MAIN - PCB
TERMINAL
BLOCK con-
nection
Check the connection.
Once the wiring error is corrected, reactivate the
appliance.
Earth cable -------
Verify that the earth wire has been installed cor-
rectly.
PCB TERMI-
NAL BLOCK Fault is different from the
above cases.
Replace the PCB TERMINAL BLOCK.
PCB MAIN
Fault is different from the
above cases.
Replace the PCB MAIN.
C8
PCB MAIN
error
PCB MAIN
Disconnect the power supply,
wait for about 3 minutes and
then reconnect it
If the same error code appears again, replace the
PCB MAIN.
Check the loosened connec-
tions and the contacts with
the reactors.
CC
SMART-MT
serial error
Incorrect
connections
(PCB TERMI-
NAL BLOCK -
SMART-MT)
Check the connections.
Check the connection of the wiring and the incor-
rect contact and then restart the appliance.
Earth cable -------
Verify that the earth wire has been installed cor-
rectly.
PCB TERMI-
NAL BLOCK Fault is different from the
above cases.
Replace the PCB TERMINAL BLOCK.
SMART-MT
Fault is different from the
above cases.
Replace the SMART-MT.
105
Section II :: Installation and maintenance EN