Daikin ERGA08DAV3 Installer's Reference Manual page 82

12 Troubleshooting
Error code Detailed error
code
E3 00
E5 00
E6 00
E7 00
E8 00
EA 00
H0 00
H3 00
H6 00
H8 00
H9 00
F3 00
F6 00
FA 00
JA 00
J3 00
J6 00
J6 07
L3 00
L4 00
L5 00
P4 00
U0 00
U2 00
U7 00
Error codes of the indoor unit
Error code Detailed error
code
7H 01
7H 04
Installer reference guide
82
Description
OU: Actuation of high
pressure switch (HPS)
OU: Overheat of inverter
compressor motor
OU: Compressor startup
defect
OU: Malfunction of outdoor
unit fan motor
OU: Power input overvoltage
OU: Cool/heat switchover
problem
OU: Voltage/current sensor
problem
OU: Malfunction of high
pressure switch (HPS)
OU: Malfunction of position
detection sensor
OU: Malfunction of
compressor input (CT)
system
OU: Malfunction of outdoor
air thermistor
OU: Malfunction of
discharge pipe temperature
OU: Abnormal high pressure
in cooling
OU: Abnormal high pressure,
actuation of HPS
OU: Malfunction of high
pressure sensor
OU: Malfunction of
discharge pipe thermistor
OU: Malfunction of heat
exchanger thermistor
OU: Malfunction of heat
exchanger thermistor
OU: Electrical box
temperature rise problem
OU: Malfunction of inverter
radiating fin temperature
rise
OU: Inverter instantaneous
overcurrent (DC)
OU: Malfunction of
radiating fin temperature
sensor
OU: Shortage of refrigerant
OU: Defect of power supply
voltage
OU: Transmission
malfunction between main
CPU- INV CPU
Description
Water flow problem
Water flow problem during
domestic hot water
production
Error code Detailed error
code
7H 05
7H 06
7H 07
80 00
81 00
81 01
89 01
89 02
89 03
8F 00
8H 00
8H 01
8H 02
8H 03
AA 01
AA 02
AH 00
AJ 03
C0 00
C0 01
C0 02
C4 00
CJ 02
EC 00
EC 04
H1 00
HC 00
HC 01
HJ 10
JA 17
U3 00
U4 00
ERGA04~08DAV3(A) + EHVZ04+08S18+23DA +
Description
Water flow problem during
heating/sampling
Water flow problem during
cooling/defrost
Water flow problem. Pump
deblocking active
Returning water temperature
sensor problem
Leaving water temperature
sensor problem
Mixed water thermistor
abnormality.
Heat exchanger frozen
Heat exchanger frozen
Heat exchanger frozen
Abnormal increase outlet
water temperature (DHW)
Abnormal increase outlet
water temperature
Overheating mixed water
circuit
Overheating mixed water
circuit (thermostat)
Overheating water circuit
(thermostat)
Backup heater overheated
External backup heater
overheated
Tank disinfection function
not completed correctly
Too long DHW heat-up time
required
Water flow detected while pump
is OFF
Flow switch malfunction
Flow switch malfunction
Heat exchanger temperature
sensor problem
Room temperature sensor
problem
Abnormal increase tank
temperature
Tank preheating
External temperature sensor
problem
Tank temperature sensor
problem
Second tank temperature
sensor problem
Water pressure sensor
abnormality
Refrigerant pressure sensor
abnormality
Underfloor heating screed
dryout function not
completed correctly
Indoor/outdoor unit
communication problem
EHVZ04+08S18+23DJ
Daikin Altherma 3 R F
4P495249-1B – 2019.06