Daikin Altherma EHVH04S18CB3V - Page 81

12 Troubleshooting
Installer reference guide
81
ERLQ004~008CA + EHVH/X04+08S18+26CB
Daikin Altherma – Low temperature split
4P384973-1A – 2016.02
Error code Detailed error
code
Description
E3 00 OU: Actuation of high pressure
switch (HPS).
Please contact your dealer.
E5 00 OU: Overheat of inverter
compressor motor.
Please contact your dealer.
E6 00 OU: Compressor startup defect.
Please contact your dealer.
E7 00 OU: Malfunction of outdoor
unit fan motor.
Please contact your dealer.
E8 00 OU: Power input overvoltage.
Please contact your dealer.
EA 00 OU: Cool/heat switchover
problem.
Please contact your dealer.
H0 00 OU: Voltage/current sensor
problem.
Please contact your dealer.
H3 00 OU: Malfunction of high
pressure switch (HPS)
Please contact your dealer.
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.
Error code Detailed error
code
Description
J6 00 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.
L5 00 OU: Inverter instantaneous
overcurrent (DC).
Please contact your dealer.
P4 00 OU: Malfunction of radiating
fin temperature sensor.
Please contact your dealer.
U0 00 OU: Shortage of refrigerant.
Please contact your dealer.
U2 00 OU: Defect of power supply
voltage.
Please contact your dealer.
U7 00 OU: Transmission malfunction
between main CPU- INV CPU.
Please contact your dealer.
UA 00 OU: Indoor/outdoor combination
problem.
Power reset required.
Error codes of the indoor unit
Error code Detailed error
code
Description
A1 00 Zero cross detection problem.
Power reset required.
Please contact your dealer.
AA 01 Backup heater overheated.
Power reset required.
Please contact your dealer.
UA 00 Indoor unit, outdoor unit
matching problem.
Power reset required.
7H 01 Water flow problem.
89 01 Heat exchanger frozen.
8H 00 Abnormal increase outlet
water temperature.