60
EASYTOUCH
®
PL4/PSL4 Control Systems User’s Guide
Self Test Error Codes
The“SelfTest”featureisintendedforusebyservicepersonnel.Ifafterperformingacontrolpanelselftest(see
page55)therewerenoerrorsdetected,Code0isdisplayed,indicatingthattherewerenoproblemsandthetest
wassuccessful.Ifaproblemisdetectedduringthetest,anerrorcodeisdisplayeduponcompletionofthetest.
ForexampleCode3wouldindicateaproblemwiththeLEDsonthecontrolpanel.Ifmultipleerrorsaredetected,
multiplecodenumbersaredisplayed.Forexample,Codes4,2,1,wouldindicateproblemsdetectedwiththe
buttons,LEDs,andtheLCDbacklightonthecontrolpanel.
Thefollowingliststhecontrolpanelselftesterrorcodes.
Error Code Table
EasyTouch
®
PL4/PSL4 Control System Error Messages (Continued)
Error Code Description
Code0
PASS-Thecontrolpanelhas
noproblems
Code1 LCDbacklight
Code2 LCDcontrast
Code3 LEDs
Code4 Switch(buttons)
Code5 UARTloopbacktest
Code6 Sensor/Relay/Valvestest