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12 Troubleshooting
Installer reference guide
86
EBLQ+EDLQ011~W1 + EK(2)CB
EKMB9W1
Daikin Altherma low temperature monobloc
4P522034-1 – 2018.01
Error code
Detailed error
code
Description
FA
00
OU: Abnormal high pressure,
actuation of HPS.
Please contact your dealer.
JA
00
OU: Malfunction of high
pressure sensor.
Please contact your dealer.
J3
00
OU: Malfunction of discharge
pipe thermistor.
Please contact your dealer.
J6
00
OU: Malfunction of heat
exchanger thermistor.
Please contact your dealer.
L3
00
OU: Electrical box temperature
rise problem.
Please contact your dealer.
L4
00
OU: Malfunction of inverter
radiating fin temperature rise.
Please contact your dealer.
L5
00
OU: Inverter instantaneous
overcurrent (DC).
Please contact your dealer.
P4
00
OU: Malfunction of radiating
fin temperature sensor.
Please contact your dealer.
U0
00
OU: Shortage of refrigerant.
Please contact your dealer.
U2
00
OU: Defect of power supply
voltage.
Please contact your dealer.
U7
00
OU: Transmission malfunction
between main CPU- INV CPU.
Please contact your dealer.
UA
00
OU: Indoor/outdoor combination
problem.
Power reset required.
Hydro part
Error code
Detailed error
code
Description
7H
01
Water flow problem.
Auto restart.
7H
04
Water flow problem during
domestic hot water production.
Manual reset.
Check the domestic hot water
circuit.
7H
05
Water flow problem during
heating/sampling.
Manual reset.
Check the space heating/cooling
circuit.
Error code
Detailed error
code
Description
7H
06
Water flow problem during
cooling/defrost.
Manual reset.
Check the plate heat exchanger.
80
00
Returning water temperature
sensor problem.
Please contact your dealer.
81
00
Leaving water temperature
sensor problem.
Please contact your dealer.
89
01
Heat exchanger frozen.
89
02
Heat exchanger frozen.
89
03
Heat exchanger frozen.
8F
00
Abnormal increase outlet
water temperature (DHW).
8H
00
Abnormal increase outlet
water temperature.
A1
00
Zero cross detection problem.
Power reset required.
Please contact your dealer.
A1
01
EEPROM reading error.
A1
00
EEPROM reading error.
AA
01
Backup heater overheated.
Power reset required.
Please contact your dealer.
AC
00
Booster heater overheated.
Please contact your dealer.
AH
00
Tank disinfection function not
completed correctly.
AJ
03
Too long DHW heat-up time
required.
C0
00
Flow sensor malfunction.
Manual reset.
C0
01
Flow switch malfunction.
Auto reset.
Содержание Altherma EBLQ011-016CV3
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