Troubleshooting - Riello BOLLITORE 120 Lt Installation, Operation And Maintenance Manual

4.6 Troubleshooting

FAULT CAUSE SOLUTION
Supply pressure too high − Fit a pressure limiter
Poor hot water production Flow rate too high − Fit a flow reducer
There are blockages or deposits in the
− Check and clean as necessary
domestic hot water circuit
− Check the adjustment and state of the
Low water temperature of the generator
DHW temperature probe
There is lime scale or sludge in the
Low water temperature − Check and clean as necessary
cylinder
There is air in the primary circuit − Bleed the circuit
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