9Operation instructionsy FAQTroubles Possible reasons SolutionsThe water tank becomes empty Add water according to the timerequired in the instruction manualNo outlet waterDisconnection or blockage of thepipeline or jointsRepair the pipeline or remove theblockageBroken vacuum tube(s) Replace the broken tube(s)Water supply is stopped or waterpressure is too lowWait until the water supplybecomes normalNo water comes from the overflowpipeDisconnection or break of thepipeline or jointsRepair or replace the pipeline orjointsThe water supply valve is notclosed tightly or it is damagedClose the valve tightly or replacethe damaged valveThere is shading object in the frontof the vacuum tubes and theycannot collect heat effectivelyRemove the shading object orrelocate the water heaterToo low temperature of the hotwaterToo much dust on the vacuumtubesClean the surface of the vacuumtubesy Packing listQuantityMain components 75L 85L 110L 125L 150LWater tank (pc) 1 1 1 1 1Water tank User’s Manual (copy) 1 1 1 1 1Left tank support (pc) 1 1 1 1 1Tanksupportcase Right tank support (pc) 1 1 1 1 1Vacuum tube (pc) 14 16 14 16 19Bracket (set) 1 1 1 1 1