Daikin EAVH16S23DA6V Installer's Reference Manual page 196

14 | Troubleshooting
Installer reference guide
196
Error code Detailed error code Description
AA 02
AH 00
AJ 03
C0 00
C0 01
C0 02
C4 00
C5 00
CJ 02
E1 00
E2 00
E3 00
E4 00
E5 00
E6 00
E7 00
E8 00
E9 00
EA 00
EC 00
EC 04
F3 00
F6 00
FA 00
H0 00
External backup heater
overheated
Tank disinfection function
not completed correctly
Too long DHW heat-up time
required
Flow sensor malfunction
Flow switch malfunction
Flow switch malfunction
Heat exchanger temperature
sensor problem
Heat exchanger thermistor
abnormality
Room temperature sensor
problem
OU: PCB defect
Leakage current detection
error
OU: Actuation of high
pressure switch (HPS)
Abnormal suction pressure
OU: Overheat of inverter
compressor motor
OU: Compressor startup defect
OU: Malfunction of outdoor
unit fan motor
OU: Power input overvoltage
Malfunction of electronic
expansion valve
OU: Cool/heat switchover
problem
Abnormal increase tank
temperature
Tank preheating
OU: Malfunction of discharge
pipe temperature
OU: Abnormal high pressure in
cooling
OU: Abnormal high pressure,
actuation of HPS
OU: Voltage/current sensor
problem
EPGA11~16DAV3(7) + EAVH/X16S18+23DA6V(7)+9W(7)
Daikin Altherma 3 H F
4P556070-1A – 2021.09