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10Troubleshooting
Vista SmartTel 47
10 Troubleshooting
Thischapterwillsupportyouinevaluatingerrorsandhelpyouwiththeir
elimination.
What to do in the event of malfunctions / sabotage
Malfunction report
TheSmartTelError LEDonthehousingfrontsideindicatesmalfunctions.
Moreover,certainmessageswillbereportedbyrelay,providedthisrelayhas
beenconfiguredasanError relay.TheLEDError relayindicatesthestate
oftheError relayforSmartControlorSmartControl PROsoftware.
No null modem connection possible
AnullmodemconnectionbetweenthetransmitterandaSmartControl
receiverstationisonlypossiblewithanoriginalnullmodemcable(indicated
byanorange-redstickeronthecable).Standardcommercialnullmodem
cablescannotbeused.Refertothepinassignmentofthenullmodemcable
inthismanual(see“Directconnectionwithnullmodemcable”onpage22).
Error / malfunction SmartTel reaction
Powerfailure Error relayopens(ifsoconfigured).
Videosignalfailure TheconditionwillbeindicatedbyLED Error
andreportedbytheerrorrelay(dependingon
configuration).
Thedeviceisswitchedoffbrieflyandswitched
backonimmediately.Fastswitchingoffand
onhastheimpactofapowerfailure.Waitfor
about10secondsafterswitchingoffthe
devicebeforeswitchingitbackonagain.
Error relayopens(ifsoconfigured).
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