Error Codes: Overview - Daikin ERLA03DAV3 Installer's Reference Manual

13 | Troubleshooting

13.4.1 Error codes: Overview

Error codes of the unit
Installer reference guide
162
INFORMATION
In case of error code AH and no interruption of the disinfection function occurred
due to domestic hot water tapping, following actions are recommended:
▪
When the Reheat only or Schedule + reheat mode is selected, it is
recommended to program the start-up of the disinfection function at least
4 hours later than the last expected large hot water tapping. This start-up can be
set by installer settings (disinfection function).
▪
When the Schedule only mode is selected, it is recommended to program an
Eco action 3 hours before the scheduled start-up of the disinfection function to
preheat the tank.
NOTICE
When the minimum water flow is lower than described in the table below, the unit
will temporarily stop operation and the user interface will display error 7H‑01. After
some time, this error will reset automatically and the unit will resume operation.
INFORMATION
Error AJ-03 is reset automatically from the moment there is a normal tank heat-up.
INFORMATION
The user interface of the indoor unit will display how to reset an error code.
Error codes of the outdoor unit
Error code Detailed error code Description
A1 00
A5 00
E1 00
E3 00
E5 00
Zero cross detection problem.
Power reset required.
Please contact your dealer.
OU: High pressure cooling/
Peak
cut/ freeze protection
problem.
OU: PCB defect.
Power reset required.
OU: Actuation of high
pressure
switch (HPS).
Please contact your dealer.
OU: Overheat of inverter
compressor motor.
Please contact your dealer.
ERLA03DAV3 + EHFZ03S18DJ3V
Daikin Altherma 3 R F
4P596821-1A – 2020.05