Vaillant ecoFIT pure 612 Operating Instructions Manual

Also see for ecoFIT pure 612: Installation and maintenance instructions

Troubleshooting 5138. Check the filling pressure in thedisplay.9. Top up with more water if necessary.10. Close the filling cock.11. Return to the basic display.(→ Page 10)4.12 Protecting the heatinginstallation against frost4.12.1 Frost protection functionCaution.Risk of material damage dueto frost.The frost protection functioncannot guarantee flow throughthe entire heating installation,which means that parts of theheating installation may freezeand therefore become dam-aged.▶ During a period of frost, en-sure that the heating installa-tion remains in operation andthat all rooms are sufficientlyheated, even when you areaway.NoteTo keep the frost protectiondevices active, you should switchyour product on and off using thecontroller, if one is provided.If the heating flow temperature falls be-low 5 °C when the on/off button is on, theproduct comes into operation and heatsthe circulating water to approx. 30 °C onboth the heating side and the hot waterside (if available).4.12.2 Draining the heatinginstallationWhen the unit is switched off for an exten-ded period, frost protection can be guar-0020230534_02 ecoFIT pure Operating instructionsanteed by completely draining the heatinginstallation and the product.▶ Consult a competent person about this.4.13 Switching the product tostandby mode▶ Press the fault clearance key for lessthan three seconds.◁ The display shows OFF and goesout.◁ The product is now in standby mode.◁ The product's frost protection func-tion is activated.◁ The main power supply is not inter-rupted. The product continues to besupplied with power.5 Troubleshooting5.1 Detecting and rectifying faults▶ If faults occur, proceed in accordancewith the table in the appendix.Troubleshooting (→ Page 16)▶ If the fault cannot be eliminated usingthe specified measures or if fault mes-sages (F.xx) occur, contact a compet-ent person.5.2 Calling up (Live monitor)status codes▶ Press and at the same time.Status codes – Overview (→ Page 16)◁ The current operating status (statuscode) is shown on the display.