Graco Reactor 2 H-XP3

Troubleshooting
Error Error
Error
Codes Codes
Codes
Note
Whenanerroroccursbesuretodeterminethecodebeforeresettingit.Ifyouforgetwhicherrorcode
occurred,seetheErrorsscreentoviewthelast200errors,withdate,time,anddescription.
Error Error
Error
Location Location
Location
Type Type
Type
Description Description
Description
Cause Cause
Cause
Solution Solution
Solution
Shortcircuitin
heaterwiring.
Checkwiringfortouching
wires.
A4DAHeaterA
HighCurrentA
BadHeater.
Con󰘰rmresistanceof
heater.Heaterresistance
shouldbe18–21Ωfor
eachheaterelement,9–12
Ωcombinedfor10kW
systems,6-8Ωfor15kW
systems,and4–6Ωfor
20kWsystems.Ifoutof
tolerance,replaceheater
element.
Shortcircuitin
heaterwiring.
Checkwiringfortouching
wires.
A4DBHeaterB
HighCurrentB
BadHeater.
Con󰘰rmresistanceof
heater.Heaterresistance
shouldbe18–21Ωfor
eachheaterelement,9–12
Ωcombinedfor10kW
systems,6-8Ωfor15kW
systems,and4–6Ωfor
20kWsystems.Ifoutof
tolerance,replaceheater
element.
Checkcontinuityof
transformerwindings.
Normalreadingsareabout
0.2Ωonbothprimaryand
secondary.Ifreadingis0Ω
replacetransformer.
A4DHHose
HighCurrentHoseShortcircuitin
hosewiring.
Checkforshortsbetween
theprimarywindingandthe
supportframeorenclosure.
A7DAHeaterA
UnexpectedCurrent
A
ShortedTCMIferrorcannotbecleared
orregeneratesconsistently,
replacemodule.
A7DBHeaterB
UnexpectedCurrent
B
ShortedTCMIferrorcannotbecleared
orregeneratesconsistently,
replacemodule.
A7DHHose
UnexpectedCurrent
Hose
ShortedTCMIferrorcannotbecleared
orregeneratesconsistently,
replacemodule.
334946C
17