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Troubleshooting
Installer reference guide
262
ERGA04~08EA + EHBH/X04+08EF
Daikin Altherma 3 R W
4P629085-1B – 2021.11
Error code
Description
E8-00
OU: Power input overvoltage
E9-00
Malfunction of electronic expansion valve
EA-00
OU: Cool/heat switchover problem
EC-00
Abnormal increase tank temperature
EC-04
Tank preheating
F3-00
OU: Malfunction of discharge pipe temperature
F6-00
OU: Abnormal high pressure in cooling
FA-00
OU: Abnormal high pressure, actuation of HPS
H0-00
OU: Voltage/current sensor problem
H1-00
External temperature sensor problem
H3-00
OU: Malfunction of high pressure switch (HPS)
H5-00
Malfunction of compressor overload protection
H6-00
OU: Malfunction of position detection sensor
H8-00
OU: Malfunction of compressor input (CT)
system
H9-00
OU: Malfunction of outdoor air thermistor
HC-00
Tank temperature sensor problem
HC-01
Second tank temperature sensor problem
HJ-10
Water pressure sensor abnormality
J3-00
OU: Malfunction of discharge pipe thermistor
J6-00
OU: Malfunction of heat exchanger thermistor
J6-07
OU: Malfunction of heat exchanger thermistor
JA-00
OU: Malfunction of high pressure sensor
L1-00
Malfunction of INV PCB
L3-00
OU: Electrical box temperature rise problem
L4-00
OU: Malfunction of inverter radiating fin
temperature rise
L5-00
OU: Inverter instantaneous overcurrent (DC)
L8-00
Malfunction triggered by a thermal protection
in the inverter PCB
L9-00
Prevention of compressor lock
LC-00
Malfunction in communication system of outdoor
unit
P1-00
Open-phase power supply imbalance
P3-00
Abnormal direct current
Содержание Altherma 3 R W
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