12 | Commissioning
Installer reference guide
205
EVLQ05+08CA + EHYHBH05A + EHYHBH/X08A + EHYKOMB33AA
Daikin Altherma hybrid heat pump
4P355634-1G – 2022.09
Make sure that the leaving water temperature home page, room temperature
home page, and domestic hot water home page are turned OFF.
There may be no error on the gas boiler or the heat pump module. During a gas
boiler test run, "busy" will be displayed on the user interface.
Program Button combination Display
Burner ON at minimum
power
and
Burner ON, maximum
space heating power
setting
and (1×)
Burner ON, maximum
domestic hot water
setting
and (2×)
Stop test program and Actual situation
NOTICE
If an 81‑04 error occurs, then do NOT perform a test run on the gas boiler.
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