5-9
TROUBLESHOOTING
DC SERIES COMBI BOILERS DC 23-84, DC 29-106, DC 33-124, DC 33-160
5.4.8 Hot Water Does Not Reach Temperature
POSSIBLE CAUSES SOLUTION
DHW ow to high. Adjust the inlet assembly, insert a ow restriction.
Temperature setting for water circuit too low. Adjust the hot water circuit, depending on the desired temperature and
system conguration. See 2.3.4 Table of Programmable Parameters
Water temperatures are set incorrectly Target water temperature is set higher than the maximum water
temperature.
No heat transfer as a result of lime scale or
fouling in the heat exchanger DHW side.
Descale or ush the exchanger DHW side.
Cold water temperature <5°C.