Daikin ERGA06EAV3H Installer's Reference Manual page 264

15 | Troubleshooting
Installer reference guide
264
Error code
U8-04 Unknown USB device
U8-05 File malfunction
U8-06 MMI/bizone kit communication problem
U8-07 P1P2 communication error
U8-09 MMI software version {version_MMI_software} /
Indoor unit [version_IU_modelname]
compatibility error
U8-11 Connection with the Wireless gateway lost
UA-00 Indoor unit, outdoor unit matching problem
UA-17 Tank type problem
UA-59 HPSU/Hydro combination abnormality
UF-00 Reversed piping or bad communication wiring
detection
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:
▪
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).
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
If an U8‑04 error occurs, the error can be reset after a successful update of the
software. If the software is not successfully updated then you must make sure that
your USB device has the FAT32 format.
INFORMATION
The user interface will display how to reset an error code.
Description
ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF
Daikin Altherma 3 R ECH₂O
4P678716-1 – 2022.01