Daikin EAVH16S23DA6V Installer's Reference Manual page 198

14 | Troubleshooting
Installer reference guide
198
Error code Detailed error code Description
L4 00
L5 00
L8 00
L9 00
LC 00
P1 00
P3 00
P4 00
PJ 00
U0 00
U1 00
U2 00
U3 00
U4 00
U5 00
U7 00
U8 01
U8 02
U8 03
U8 04
U8 05
U8 07
UA 00
UA 17
OU: Malfunction of inverter
radiating fin temperature
rise
OU: Inverter instantaneous
overcurrent (DC)
Malfunction triggered by a
thermal protection in the
inverter PCB
Prevention of compressor lock
Malfunction in communication
system of outdoor unit
Open-phase power supply
imbalance
Abnormal direct current t
OU: Malfunction of radiating
fin temperature sensor
Capacity setting mismatch
OU: Shortage of refrigerant
Malfunction by reverse phase/
open-phase
OU: Defect of power supply
voltage
Underfloor heating screed
dryout function not completed
correctly
Indoor/outdoor unit
communication problem
User interface communication
problem
OU: Transmission malfunction
between main CPU- INV CPU
Connection with LAN adapter
lost
Connection with room
thermostat lost
No connection with room
thermostat
Unknown USB device
File malfunction
P1P2 communication error
Indoor unit, outdoor unit
matching problem
Tank type problem
EPGA11~16DAV3(7) + EAVH/X16S18+23DA6V(7)+9W(7)
Daikin Altherma 3 H F
4P556070-1A – 2021.09