Daikin Altherma EHBH08DA6V7 - 12.4.2 Error codes: Overview; Error codes of the outdoor unit

12 | Troubleshooting
Installer reference guide
204
ERGA04~08DAV3(A) + EHBH/X04+08DA*V7
Daikin Altherma 3 R W
4P618958-1 – 2020.03
12.4.2 Error codes: Overview
Error codes of the outdoor unit
Error code Detailed error code Description
A1 00 Zero cross detection problem
A5 00 OU: High pressure peak cut /
freeze protection problem
E1 00 OU: PCB defect
E3 00 OU: Actuation of high
pressure switch (HPS)
E5 00 OU: Overheat of inverter
compressor motor
E6 00 OU: Compressor startup defect
E7 00 OU: Malfunction of outdoor
unit fan motor
E8 00 OU: Power input overvoltage
EA 00 OU: Cool/heat switchover
problem
H0 00 OU: Voltage/current sensor
problem
H3 00 OU: Malfunction of high
pressure switch (HPS)
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
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
JA 00 OU: Malfunction of high
pressure sensor
J3 00 OU: Malfunction of discharge
pipe thermistor
J6 00 OU: Malfunction of heat
exchanger thermistor
J6 07 OU: Malfunction of heat
exchanger thermistor
L3 00 OU: Electrical box
temperature rise problem