Daikin Altherma EVLQ05+08CA Installer's Reference Manual page 214

13 | Troubleshooting
Installer reference guide
214
Error code Detailed error code Description
C0 00
C4 00
CJ 02
EC 00
EC 04
H1 00
HC 00
HJ 11
HJ 12
U3 00
U4 00
U5 00
Flow sensor/switch
malfunction.
Please contact your dealer.
Heat exchanger temperature
sensor problem.
Please contact your dealer.
Room temperature sensor
problem.
Please contact your dealer.
Abnormal increase tank
temperature.
Tank preheating
External temperature
sensor problem.
Please contact your dealer.
Tank temperature sensor
problem.
Please contact your dealer.
Boiler abnormality detection
Check boiler
Refer to boiler manual
Bypass valve turning error
Please contact your dealer.
Under floor heating screed
dryout function not
completed
correctly.
Indoor/outdoor unit
communication problem.
User interface
communication problem.
EVLQ05+08CAV3 + EHYHBH05AF + EHYHBH/X08AF + EHYKOMB33AA
Daikin Altherma hybrid heat pump
4P355634-1F – 2020.10