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12 Troubleshooting
Installer reference guide
82
ERHQ+ERLQ011~016 + 16CBV
Daikin Altherma – Low temperature split
4P449970-1 – 2016.06
Error code
Detailed error
code
Description
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.
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.
8H
03
Overheating water circuit
(thermostat).
A1
00
Zero cross detection problem.
Power reset required.
Please contact your dealer.
A1
01
EEPROM reading error.
AA
01
Backup heater overheated.
Power reset required.
Please contact your dealer.
AC
00
Booster heater overheated.
Please contact your dealer.
Error code
Detailed error
code
Description
AH
00
Tank disinfection function not
completed correctly.
AJ
03
Too long DHW heat-up time
required.
C0
00
Flow sensor/switch malfunction.
Please contact your dealer.
C4
00
Heat exchanger temperature
sensor problem.
Please contact your dealer.
CJ
02
Room temperature sensor
problem.
Please contact your dealer.
EC
00
Abnormal increase tank
temperature.
EC
04
Tank preheating
H1
00
External temperature
sensor problem.
Please contact your dealer.
HC
00
Tank temperature sensor
problem.
Please contact your dealer.
U3
00
Under floor heating screed
dryout function not completed
correctly.
U4
00
Indoor/outdoor unit
communication problem.
U5
00
User interface
communication problem.
U8
01
Connection with adapter lost
Please contact your dealer.
UA
00
Indoor unit, outdoor unit
matching problem.
Power reset required.
UA
17
Tank type problem
(for more information, see below)
Содержание Altherma ERHQ011-014-016BA
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