Solarbayer FRIWA 30, Product Information

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Art.-Nr. 908.30.62.00
Stand 11/2015
- 33 -
7 M a l f u n c t i o n s / t r o u b l e s h o o t i n g
If an error message is output, it appears on the control unit display.
Please observe the corresponding instructions for the control unit.
Fault Possible cause Troubleshooting
Pump noise Air in the system Bleed
Insufficient tapping quantity Insufficient water pressure Check pressure, increase if
necessary
Calcification in heat
exchanger Decalcify/replace
Insufficient tapping
temperature Incorrect adjustment on the
control unit Check settings
Excessive pressure loss in
the piping on the heating side Check the piping, change if
necessary
Drinking water does not heat
up Control unit not in operation. Check control unit
Air in the system. Bleed
HW flow sensor not
connected correctly, or
defective. Check, replace if applicable
Heating flow temperature
sensor not connected
correctly or faulty. Check, replace if applicable
Pump faulty Check, replace if applicable
Volume flow sensor faulty or
incorrect type (VFS instead of
VFD or vice versa) Check and replace if
applicable