Solarbayer FRIWA 50, Руководство пользователя

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Code no.
907.40.62
Dated 10/2015 - 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
Please refer to the control unit manual for troubleshooting malfunctions shown on the control
unit display.
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