2-3
Chapter 2. NAMES & FUNCTIONS OF PARTS
• SegmentNo.display
 Inthebasicdisplaystate,thisdisplayindicatesthecurrently
selectedsegmentNo.
 Intheprogramsetupstate,thisdisplayindicatesthesegmentNo.
currentlybeingsetup.
 Duringconstant-valueoperation,thisdisplaygoesoutinthebasic
displaystate.
 Intheparametersetupstate,thisdisplayindicatestheitemNo.
 Whenanalarmoccursinthebasicdisplaystate,thealarmcode
No.isdisplayed.
• ModeindicatorLEDs
 RUN,HLD: DisplaytheREADY,RUN,HOLD,FASTandEND
modes.(Seefollowingtable.)
Mode
LED
READY RUN HOLD FAST END
RUN Out Lit Out Blinking Out
HLD Out Out Lit Out Blinking
 MAN: LightsintheMANUALmode,andgoesoutinthe
AUTOmode.
 PRG: Lightsintheprogramsetupstate.Otherwise,this
LEDisout.
• Upperdisplay
Inthebasicdisplaystate,displaysPVandothervalues.
Intheparametersetupstate,displaystheitemcode.
• Lowerdisplay
Inthebasicdisplaystate,displaysSP,time,outputandothervalues.
Intheparametersetupstate,displaystheitemsettingvalue.
• LowbatteryvoltageLED
BAT: Blinkswhenthebatteryvoltageislow.Otherwise,thisLED
isout.
• Control/outputstateLED
 AT: Blinksduringauto-tuning,andlightsduringsmart-tuning.
Otherwise,thisLEDisout.
 OT1: Whenrelayorvoltageareassignedtooutput1,lightswhen
outputisONandgoesoutwhenoutputisOFF.Inthecaseof
2Goutputmodels,lightswhentheopensiderelayisONand
goesoutwhentherelayisOFF.
  Lightswhencurrentoutputisassignedtooutput1.