Manual

12
BRAY Series 70 Servo Pro
Operation and Maintenance Manual
4.4 status led flasH codes
Table3showsvariousdiagnosticFlashCodesand
theirdescriptions.
Ifmorethanoneadvisoryconditionorerrorcondition
exists,onlyoneFlashCodewillappearatatime.The
rstconditionmustbecorrectedbeforethesecond(or
subsequent)FlashCodewillappear.
table 3: status led flasH codes
No. Indication Description Possible Solution(s)
1
SteadyGreenFlash
(1secondon,1second
off)“Heartbeat”
NormalOperation ServoProFunctioningNormally
2
2GreenFlashes
CalibrationDefaults
Loaded
Calibrationmaybeacceptable,butifnot,adjust
travellimitsandrestarttheCalibration
3
3GreenFlashes
ReverseActingMode
Selected
This is an advisory that the Reverse Acting
mode has been selected.Adjust Conguration
switch7ifforwardoperationisrequired.
4
4GreenFlashes
HVAC2-10VDC
CommandSignal
Selected
This is an advisory that the HVAC 2-10 VDC
input has been selected. Adjust Conguration
switches1, 2 and3 ifthis Command Signalis
notrequired.
5
1RedFlash Handwheelengaged
PushtheHandwheelintowardstheactuatorto
Disengage
6
2RedFlashes CommandSignalFailure
Verify Command Signal, verify wiring, adjust
CongurationswitchestomatchCommandSignal
7
3RedFlashes FeedbackPotFault
Verify feedback pot wiring, position the
feedbackPotcamcorrectly,seeFeedbackPot
calibrationnotes
8
4RedFlashes LimitSwitchFault
Verifywiringoflimitswitches,verifylimitswitch
camsettings,verifythatbothlimitswitchesare
nottrippedsimultaneously(theactuatorcannot
befullyopenandfullyclosedatthesametime)
9
5RedFlashes TorqueSwitchFault
Verifythatoptionaltorqueswitchesareinstalled
andwiredcorrectly,reversedirectionofactuator,
correctover-torquecondition–OR–ifoptional
torque switches are not installed, disable the
torqueswitchinputsettingCongurationswitch
10toON.
10
6RedFlashes
FeedbackPotWiredIn
Reverse
ThischeckisonlyperformedduringCalibration.
RemovepowerfromtheServoPro,correctthe
wiringtothefeedbackpot,reapplypowertothe
ServoPro,andrestarttheCalibration.