Daikin Altherma 3 R F Installer's Reference Manual page 171

ERLA03DAV3 + EHFZ03S18DJ3V
Daikin Altherma 3 R F
4P596821-1 – 2019.10
Error code Detailed error code Description
EC 00
EC 04
H1 00
HC 00
HC 01
HJ 10
JA 17
U3 00
U4 00
U5 00
U8 01
U8 02
U8 03
UA 00
UA 16
UA 21
13 Troubleshooting
|
Abnormal increase tank
temperature.
Tank preheating
External temperature
sensor problem.
Please contact your dealer.
Tank temperature sensor
problem.
Please contact your dealer.
Second tank temperature sensor
problem.
Please contact your dealer.
Water pressure sensor abnormality.
Refrigerant pressure sensor
abnormality.
Under floor heating screed
dryout function not
completed
correctly.
Indoor/outdoor unit
communication problem.
User interface
communication problem.
Connection with adapter lost
Please contact your dealer.
Connection with room thermostat lost.
No connection with room thermostat.
Indoor unit, outdoor unit
matching problem.
Power reset required.
Extension/hydro
communication problem.
Extension/hydro mismatch problem.
Installer reference guide
171