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Troubleshooting
Installer reference guide
187
ERLA EHFZ03S18DJ3V
Daikin Altherma 3 R F
4P596821-1B – 2021.10
Error code
Detailed error code Description
C0
00
Flow sensor/switch
malfunction.
Please contact your dealer.
C0
01
Flow sensor/switch
malfunction.
Please contact your dealer.
C0
02
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.
HC
01
Second tank temperature sensor
problem.
Please contact your dealer.
HJ
10
Water pressure sensor abnormality.
JA
17
Refrigerant pressure sensor
abnormality.
U3
00
Under floor heating screed
dryout function not
completed
correctly.