mundoclima 2022 Manuel page 100

MUENR-H4
SERIES:
MUENR-H6
UNITS: MUENR-05-H4
MUENR-07-H4
MUENR-05-H6
MUENR-07-H6
E9 EEPROM malfunction
H0 Communication malfunction between main chip and IPDU.
E4 T3,T4 sensor malfunction
E5 Voltage protection malfunction
E6 DC fan motor malfunction
EA A fan in the A region run for more than 5 minutes in heating mode
Eb There are two times E6 fault in 10 minutes (recovery after power off)
HH Inlet water temperature sensor malfunction for 5/7kW models.
EC Outlet water temperature sensor malfunction (5/7kW)
C0 Temperature sensor malfunction of plate heat exchanger for 5/7kW.
P1 High pressure protection
P2 Low pressure protection
P3 Current protection of the compressor
P4 Discharged temperature protection
P5 T3 high temperature protection of outdoor condenser
P6 IPDU module protection
P8 Typhoon protection
Protection when temperature difference between inlet & outlet water in heating mode is too
CH
large for 5/7kW
Protection when temperature difference between inlet & outlet water in cooling mode is too
CL
large for 5/7kW.
CP Anti-freeze protection of plate heat exchanger for 5/7kW
Pb System anti-freeze protection
C8 Water flow switch protection malfunction
PH Protection when water temperature in heating mode is too high for 5/7kW.
dF Defrosting
d8 Remote contact ON / OFF is active
Wired controller error code list KJR-120F1/BMK-E (CL92340):
EEPROM error code(Wire controller)
EEPROM malfunction
5-minute error for heating mode fan
in area A
Two times of E6 protection in 10 minutes
T3&T4 temperature sensor malfunction
Voltage protection
DC fan motor malfunction
Communication malfunction between
the main controlling chip and IPDU
(CL25610 to CL25615)
(CL25620 to CL25628)
(CL25610)
(CL25611)
(CL25620)
(CL25621)
Tin temperature sensor malfunction
Tout temperature sensor malfunction
Flow switch malfunction
High temperature protection in heating mode
Low temperature protection
in heating mode
Anti-idling protection of water pump
Tb1 temperature sensor malfunction
Tb2 temperature sensor malfunction
TROUBLESHOOTING
High pressure protection
Low pressure protection
Outdoor units current protection
Compressor discharge temp. Protection
Condenser high temperature protection
IPM mode protection
Typhoon protection
100
EN
Note
The same as
10-16kW
5/7kW
The same as
10-16kW
5/7kW
The same
as 10-16kW
5/7kW
The same as
10-16kW
Outdoor units anti-freezing protection
Radiator high temperature protection
Water inlet and outlet temp. difference too
large protection
Communication error beetwen the wired
E2
controller and the chiller unit.