Manual

Troubleshooting
39Page
ERRORCODES
Theunitsareselfdiagnosticforsafetyandconveniencewhentroubleshooting.
If there is a problem with the installation or the unit, depending on the model or if there is a
remote controller installed, it will either display a numerical error code on the 7Seg LED on the
computerboard(OnlyfortheTD2IN/OSmodels),displayablinkingred
LED(fortheTKJr2IN/OS
&TK4IN/OSmodels),ortheerrorcodewilldisplayontheremotecontrollerifitisinstalled.
Consultwiththetable onthefollowingpageforthecauseofeacherrorcode.
Singleunitinstallations‐
Example:Ifyourunitdisplaysthe“321”errorcode(whichsignifiesaninletthermistorfailure)
TKJr2IN/OS & TK4IN/OS models: The red LED on the computer board will be blinking two
times
IftheTKRE02isinstalled:“32”willdisplayonthescreeninitsentirety.
TD2IN/OS models: The 7seg. LED on the computer board will display “3”…”2”…”1” in that
orderonedigitatatimeandcontinuallyrepeat.
IftheTMRE30isinstal led:“321”will displayonthescreeninitsentirety.
EasyLinksystem(FortheTD2IN/OSmodelsonly)‐
ErrorcodeswilldisplaydifferentlywithunitsinstalledwithinanEasyLinkSystem,notonlytoshow
whattheerrorcodeis,buttoalsoindicatewhichunitwithinthesystemhastheerrorcode.Belowis
asampleofhowthesameerrorcodeisdisplayedinanEasyLink
System.
Example:
IfUnit#2hasthe“321”errorcode(inletthermistorfailure)
Parentunit:Itwilldisplay“3”…”2”…”1”…”0”…”2”onedigitatatimeonthe7SegLED.Thefirst
3 numbers indicate the error code.The last two numbers indicate that Unit #2 has the error
code.
Unit #2: It willdisplay “3”…”2”…”1
on the 7Seg LED, just like in the
SingleUnitexample.
Unit#3&#4:Theseunitswill not
displayanything,astheerrorcode
doesnotpertaintothem.
TMRE30:Itwill display232”onits
screen.Thefirst“2”indicatesthat
Unit#2hastheerror.The“32”
indicatesthefirsttwodigitsofthe
“321”errorcode.
Errorcodeon
theTMRE30
<TD2IN
/
OS>
Errorcodeonthe
computerboard
7SegLED
TMRE30
PARENT
CHILD
CHILD
CHILD
Errorcodeon
theTKRE02
<TKJr2IN
/
OS&TK4IN
/
OS>
Errorcodeonthe
computerboard
RedLED