PAW FC3.10 - Troubleshooting

25 Error correction
70 99E13331xx-mub-en - V08 2022/07
25.2 Troubleshooting
System vented?
Pump noises can be heard, bubble noises in the pipe.
no
Vent the system!
Is the water pressure in the secondary
circuit of the system sufficient?
no
Check the pressure in the
secondary circuit of the system;
increase pressure if necessary.
Withdrawal quantity is too low.
yes
Does the plate heat exchanger
has limescale build-up?
yes
Clean the secondary side of the plate heat
exchanger; exchange plate heat exchanger
if necessary