Hydro-Smart 115 - Error Code Fault Analysis

Troubleshooting
35│Page
‐FAULTANALYSISOFERRORCODES‐

RedLED Remote
Malfunction
description

Diagnosis
One
Time
03
Incorrectdipswitch
setting
 CheckthedipswitchsettingsonthePCB.(Part#701)
Five
Times
10
Warningforthe
“991”errorcode

Checkthegastypeofthewaterheater.
 Checkifthereisanyblockageintheintakeairand/or
exhaust.
 Ifthewaterheaterisinstalledasadirect‐ventsystem,
checkwhetherthereisenoughdistancebetweenthe
intakeairterminalandtheexhaustterminal.
 Checkthe
altitude/elevationofareaofwherethe
waterheaterinstalled.
 Checkifthereisgreaseand/ordirtintheburner(Part
#101)andthefanmotor(Part #103),especiallyifthe
waterheaterhasbeeninstalledinacontaminated
area.
Three
Times
11
Ignitionfailure


CheckiftheHi‐limitswitch(Part#412)isproperly
functioning.
 Checkforconnection/breakageofwires(Part#413,
708,709,710,712),burnmarksonthecomputer
board(Part#701),and/orsootontheflamerod(Part
#108).
 Checkifthereisabuzzingsparkignitionsoundcoming
from
theburner(Part#101)whenwaterheater
preparesforcombustion.
 Listenforthedouble“clunk”soundcomingfromgas
valveassembly(Part#102)whenwaterheatergoes
intocombustion.
 Checkifthereisleakingfromheatexchanger.(Part
#401)
Three
Times
12
Lossofflame


CheckiftheHi‐limitswitch(Part#412)isproperly
functioning.
 Checkforconnection/breakageofwires(Part#413,
708,709,710,712),burnmarksonthecomputer
board(Part#701),and/orsootontheflamerod(Part
#108).
 Checkifthereisleakingfromheatexchanger.(Part
#401)
Two
Times
31
Outletthermistor
failure
 Checkforconnection/breakageofwiresand/ordebris
onthermistor.(Part#407,408)
32
Inletthermistor
failure

Two
Times
39
Air–fuelRatioRod
failure
 Check for connection/breakage of wires (Part #709)
and/orsootontheAFRrod.(Part#108)
IftheerrorcodedisplayedonthecomputerboardoftheWaterheaterorremotecontroller,
pleasecheckthefollowing.Afterchecking,Consultwiththemanufacturer.