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Troubleshooting
Installer reference guide
189
E EHFH03S18D
Daikin Altherma 3 R F
4P596806-1C – 2022.09
Error code
Detailed error code Description
H6
00
OU: Malfunction of position
detection sensor.
Please contact your dealer.
H8
00
OU: Malfunction of
compressor
input (CT) system.
Please contact your dealer.
H9
00
OU: Malfunction of outdoor
air thermistor.
Please contact your dealer.
F3
00
OU: Malfunction of discharge
pipe temperature.
Please contact your dealer.
F6
00
OU: Abnormal high pressure
in cooling.
Please contact your dealer.
FA
00
OU: Abnormal high pressure,
actuation of HPS.
Please contact your dealer.
JA
00
OU: Malfunction of high
pressure sensor.
Please contact your dealer.
J3
00
OU: Malfunction of discharge
pipe thermistor.
Please contact your dealer.
J6
00
OU: Malfunction of heat
exchanger thermistor.
Please contact your dealer.
J6
07
OU: Malfunction of heat
exchanger thermistor.
Please contact your dealer.
L3
00
OU: Electrical box
temperature
rise problem.
Please contact your dealer.
L4
00
OU: Malfunction of inverter
radiating fin temperature
rise.
Please contact your dealer.