Daikin EWAQ004BAVP Installer's Reference Manual page 74

12 Troubleshooting
Error code Detailed error
code
E7 00
E8 00
EA 00
H0 00
H3 00
H6 00
H8 00
H9 00
F3 00
F6 00
FA 00
JA 00
J1 00
J3 00
J5 00
J6 00
Installer reference guide
74
Description
OU: Malfunction of outdoor
unit fan motor.
Please contact your dealer.
OU: Power input overvoltage.
Please contact your dealer.
OU: Cool/heat switchover
problem.
Please contact your dealer.
OU: Voltage/current sensor
problem.
Please contact your dealer.
OU: Malfunction of high
pressure switch (HPS)
Please contact your dealer.
OU: Malfunction of position
detection sensor.
Please contact your dealer.
OU: Malfunction of compressor
input (CT) system.
Please contact your dealer.
OU: Malfunction of outdoor
air thermistor.
Please contact your dealer.
OU: Malfunction of discharge
pipe temperature.
Please contact your dealer.
OU: Abnormal high pressure
in cooling.
Please contact your dealer.
OU: Abnormal high pressure,
actuation of HPS.
Please contact your dealer.
OU: Malfunction of high
pressure sensor.
Please contact your dealer.
OU: Pressure sensor problem
Please contact your dealer.
OU: Malfunction of discharge
pipe thermistor.
Please contact your dealer.
OU: Suction pipe temperature
sensor problem
Please contact your dealer.
OU: Malfunction of heat
exchanger thermistor.
Please contact your dealer.
Error code Detailed error
code
J7 00
L3 00
L4 00
L5 00
P4 00
U0 00
U2 00
U7 00
UA 00
Hydro part
Error code Detailed error
code
7H 01
7H 05
7H 06
7H 07
80 00
Packaged air-cooled water chillers and packaged air to water heat
Description
OU: Malfunction of heat
exchanger thermistor.
Please contact your dealer.
OU: Electrical box temperature
rise problem.
Please contact your dealer.
OU: Malfunction of inverter
radiating fin temperature rise.
Please contact your dealer.
OU: Inverter instantaneous
overcurrent (DC).
Please contact your dealer.
OU: Malfunction of radiating
fin temperature sensor.
Please contact your dealer.
OU: Shortage of refrigerant.
Please contact your dealer.
OU: Defect of power supply
voltage.
Please contact your dealer.
OU: Transmission malfunction
between main CPU- INV CPU.
Please contact your dealer.
OU: Indoor/outdoor combination
problem.
Power reset required.
Description
Water flow problem.
Auto restart.
Water flow problem during
heating/sampling, or after failed
deblocking routine.
Manual reset.
Check the space heating/cooling
circuit, or replace the water
pump.
Water flow problem during
cooling/defrost.
Manual reset.
Check the plate heat exchanger.
Water flow problem.
Pump deblocking active
Returning water temperature
sensor problem.
Please contact your dealer.
EWAQ+EWYQ004+005BAVP
pumps
4P492900-1 – 2017.06