Operation manual17 EKHVWQ002AAV3 + EKHHS200+260AA1V3Domestic hot water heat pump4PW65343-1A – 10.20108. TROUBLESHOOTINGThe guidelines below might help to solve your problem. If you cannotsolve the problem, consult your installer.9. DISPOSAL REQUIREMENTSDismantling of the unit, treatment of the refrigerant, of oil and of otherparts must be done in accordance with relevant local and nationallegislation.Your product is marked with this symbol. This means thatelectrical and electronic products shall not be mixed withunsorted household waste.Do not try to dismantle the system yourself: the dismantling of thesystem, treatment of the refrigerant, of oil and other parts must bedone by a qualified installer in accordance with relevant local andnational legislation.Units must be treated at a specialized treatment facility for re-use,recycling and recovery. By ensuring this product is disposed offcorrectly, you will help to prevent potential negative consequences forthe environment and human health. Please contact the installer orlocal authority for more information.N OTESPOSSIBLE CAUSES C ORRECTIVE ACTIONSNo readings on the remote controller(blank display)• Check if the mains power is stillconnected to your installation.• The benefit kWh rate power supply isactive (see installation manual).One of the error codes appears Consult your local dealer.Refer to the installation manual for adetailed list of error codes.The schedule timer does work butthe programmed actions areexecuted at the wrong time(e.g. 1 hour too late or too early)Check if the clock and the day of theweek are set correctly, correct ifnecessary.The schedule timer is programmedbut does not work.In case the pr icon is notdisplayed, push the pr button toenable the schedule timer.Capacity shortage Consult your local dealer.