Troubleshooting
17
Troubleshooting
Toshutwateroffinanemergency
Incasewaterflowswithoutstoppingduetopipeleakage,followthe
instructionsinthefigurebelowtoshutoffthe
stopvalveormainvalve.
Stopvalve
forcoldside
Stopvalve
forhotside
Shut
Main
valve
Main
valve
Ifthisdoesnotstopthewater,
shutoffthemainvalve.
Cover
Screw
Screw
Hex.wrench
(small)
Useahexagonwrenchto
unscrewthescrews(3
locations),andremovethe
cover,
useaflathead
screwdriver
toshutoffthe
stopvalveatthe
cold/hotside.
18
Troubleshooting
Problem Description
Forsafetyreason,afunctionkeepsthehotwatertemperatureunder
about45°Cevenifthetemperaturehandleisfullysettothehotside.
Waterdoesnotgethotter
beyondacertainpoint.
●Ifyoucannotlocatethepositionofthestopvalve,refertotheSetupDrawing(P.6)
Thefollowingproblemisnotamalfunction.
Beforerequestingservice
InspectionProblem Solution
Reference
Isthefilterholeblocked?
Isthesettingoftemperaturehandle
correct?
Checkthesettingsonthe
temperaturehandle
Cleanthefilter.
P.13
P.8
Isthefilterholeblocked? Cleanthefilter.
Istheflowleverfullyopen?
Useflowleverto
adjusttheflow.
Flowis
tooweak
Whenagashotwaterheaterisused
withthisproduct,istheswithcingfunction
setcorrectly?
Setthegashotwater
heaterproperly.
−
Usestopvalvetoadjusttheflow.
Usestopvalvetoadjusttheflow.
Toohot
Usestopvalveto
adjusttheflow.
Isthestopvalvefullyopen?
Isthestopvalveatcoldsidefullyopen?
Waterflow
doesnot
stop
PushtheON/OFF
buttonagain.
IstheON/OFFbuttoninthestop
position?
Isthewaterheaterprovidingenough
hotwater?
Checkthesettingsand
behaviorofthewaterheater.
Toocold
Isthestopvalveatcold/hotsidefully
open?
Usethestopvalveto
adjusttheflow.
Temperature
cannotbe
adjusted
appropriately
Isthestopvalveathotsidefullyopen?
Doesthewaterheaterprovideenough
hotwater?
P.12
P.12
P.13
P.11
P.13
P.13
P.13
P.13
−
−
Checkthesettingsand
behaviorofthewaterheater.
−
Theshowermaydrip,because
waterleftinthepipeisflowingout.
Thisisnotaproblem.
●
Thefollowingsituationsarenotmalfunctions.Beforerequestingservice,
checkthefollowinglist,iftheproblemisnotresolved,requestservicefrom
theinstallationshop,distributor,orTOTO.Fordetailsseethebackcover.
Noisemayoccurinstoppingwaterforalittletimeaftershowertower
wasInstalled.
Noiseoccursin
stoppingwater