Error Codes - Rotex RKHBRD011ABV1 Manuel D'installation

Symptom 5: The user interface displays "n
certain buttons
P
OSSIBLE CAUSES
The current permission level is set to
a level that prevents using the
pressed button.
Symptom 6: Space heating capacity shortage at low outdoor
temperatures
P
OSSIBLE CAUSES
The heater kit is not activated.

Error codes

When a safety device is activated, the user interface LED will be
flashing, and an error code will be displayed.
A list of all errors and corrective actions can be found in the table
below.
Reset the safety by pushing the y button.
In case this procedure for resetting the safety is not successful,
contact your local dealer.
Error
code Failure cause
A1
Failure of writing memory
(EEPROM error)
A6
Malfunction of pump in water
circuit (M1P)
A9
R410A expansion valve error
(K1E)
AA
Heater kit thermal cut out error (if
the heater kit option installed)
Heater kit connected to the
benefit kWh rate power supply
AJ
Capacity error
C1
Bad ACS communication
C4
R410A liquid thermistor error
(R3T)
C5
Domestic hot water tank
thermistor error (R2T)
C9
Returning water thermistor error
(R4T)
CA
Leaving water thermistor error
(R5T)
CJ
Remote controller thermostat
thermistor error
E1
Compressor PCB error
E3
High pressure error (S1PH)
E3
Thermal cut-out error (Q2L)
RKHBRD011~016ABV1+Y1
Indoor unit for air to water heat pump system
4PW61218-1A
n " when pressing n n
C
ORRECTIVE ACTION
Change the "user permission level"
field setting [0-00], see "Field
settings" in the operation manual.
C
ORRECTIVE ACTION
Check that the "heater kit operation
status" field setting [6-02] is turned
on, see "Field settings" in the
operation manual of the indoor unit.
Corrective action
Contact your local dealer.
• Make sure waterflow is
possible (open all valves in the
circuit).
• Force clean water through the
unit.
• Check wiring connections.
• Contact your local dealer.
• Make sure the circuit is filled
with water (no air inside).
• Make sure waterflow is
possible (open all valves in the
circuit).
Make sure the heater kit is
connected to a normal power
supply.
Contact your local dealer.
Contact your local dealer.
• Check wiring connections.
• Contact your local dealer.
• Check wiring connections.
• Check if the domestic hot
water option is turned active
(refer to field setting [6-00]).
• Contact your local dealer.
• Check wiring connections.
• Contact your local dealer.
• Check wiring connections.
• Contact your local dealer.
Contact your local dealer.
Contact your local dealer.
• Check wiring connections on
outdoor unit and indoor unit.
• Make sure the circuit is filled
with water (no air inside, e.g.
is the air purge open?)
• Make sure the domestic hot
water tank is filled with water.
• Make sure water flow is
possible (open all valves in the
circuit).
• Make sure the water filter is
not blocked.
• Make sure all refrigerant stop
valves are open.
• Contact your local dealer.
• Reset the thermal cut-out.
• Contact your local dealer.
Error
code Failure cause
E4
Low pressure error (B1PL)
E5
Overload activation of
compressor (M1C)
E9
R134a expansion valve error
(K2E)
F3
Discharge temperature error
J3
Discharge thermistor error (R6T)
J5
R134a liquid thermistor error
JA
R134a high pressure sensor
error (B1PH)
JC
R134a low pressure sensor error
(B1PL)
L1
Compressor inverter PCB error
L4
Fin thermistor error
L5
Compressor inverter PCB error
L8
Compressor inverter PCB error
L9
Compressor inverter PCB error
LC
Inverter communication problem
LH
Converter error
P1
Main compressor PCB error
PJ
Bad combination inverter
components
U2
Power supply error
U4
QA transmission problem
U5
Remote controller error
UA
Type connection problem
UC
Address duplication error
UF
Transmission problem with
outdoor unit
UF
QA wiring problem
UH
Address error
Corrective action
• Check wiring connections on
outdoor unit and indoor unit.
• Contact your local dealer.
Contact your local dealer.
• Check wiring connections.
• Contact your local dealer.
Contact your local dealer.
• Check wiring connections.
• Contact your local dealer.
• Check wiring connections.
• Contact your local dealer.
• Check wiring connections.
• Contact your local dealer.
• Check wiring connections.
• Contact your local dealer.
Contact your local dealer.
• Check wiring connections.
• Contact your local dealer.
Contact your local dealer.
Contact your local dealer.
Contact your local dealer.
Contact your local dealer.
Contact your local dealer.
Contact your local dealer.
Contact your local dealer.
• Check wiring connections.
• Contact your local dealer.
Contact your local dealer.
Contact your local dealer.
• Wait till initialisation between
outdoor unit and indoor unit is
finished (after power ON, wait
at least 12 minutes).
• Contact your local dealer.
Contact your local dealer.
Contact your local dealer.
Contact your local dealer.
Contact your local dealer.
Installation manual
36