Tvheadend

Hi all i have connected SUNDTEK DVB-S2 USB tuner along with DiseqC 1.1 switch.. my sat setup
LNB1-91.5E
LNB2-45.0E
LNB3-88.0E
LNB4-93.5/95.0E

but when i scan for signal.. following error comes..
2018-08-26 20:02:12.265 linuxdvb: adapter added /dev/dvb/adapter0
2018-08-26 20:03:46.293 bouquet: new bouquet 'D2H'
2018-08-26 20:04:04.960 bouquet: new bouquet 'Dialog'
2018-08-26 20:04:23.914 bouquet: new bouquet 'DishTV'
2018-08-26 20:04:47.057 bouquet: new bouquet 'SunHD'
2018-08-26 20:05:05.263 bouquet: new bouquet 'BigHD'
2018-08-26 20:08:23.073 mpegts: 11155V in Dialog - tuning on Sundtek DVB-S/S2 (V) #0 : DVB-S #0
2018-08-26 20:08:24.276 epggrab: 11155V in Dialog - registering mux for OTA EPG
2018-08-26 20:08:24.280 subscription: 0001: "scan" subscribing to mux "11155V", weight: 5, adapter: "Sundtek DVB-S/S2 (V) #0 : DVB-S #0", network: "Dialog", service: "Raw PID Subscription"
2018-08-26 20:08:34.191 mpegts: 11155V in Dialog - scan no data, failed
2018-08-26 20:08:34.191 subscription: 0001: "scan" unsubscribing
2018-08-26 20:09:25.288 mpegts: 11483H in D2H - tuning on Sundtek DVB-S/S2 (V) #0 : DVB-S #0
2018-08-26 20:09:26.809 epggrab: 11483H in D2H - registering mux for OTA EPG
2018-08-26 20:09:26.811 subscription: 0002: "scan" subscribing to mux "11483H", weight: 5, adapter: "Sundtek DVB-S/S2 (V) #0 : DVB-S #0", network: "D2H", service: "Raw PID Subscription"
2018-08-26 20:09:36.791 mpegts: 11483H in D2H - scan no data, failed
2018-08-26 20:09:36.791 subscription: 0002: "scan" unsubscribing
2018-08-26 20:10:35.287 mpegts: 11630H in SunHD - tuning on Sundtek DVB-S/S2 (V) #0 : DVB-S #0
2018-08-26 20:10:36.802 epggrab: 11630H in SunHD - registering mux for OTA EPG
2018-08-26 20:10:36.805 subscription: 0003: "scan" subscribing to mux "11630H", weight: 5, adapter: "Sundtek DVB-S/S2 (V) #0 : DVB-S #0", network: "SunHD", service: "Raw PID Subscription"
2018-08-26 20:10:46.705 mpegts: 11630H in SunHD - scan no data, failed
2018-08-26 20:10:46.705 subscription: 0003: "scan" unsubscribing
2018-08-26 20:11:23.566 mpegts: 11037H in DishTV - tuning on Sundtek DVB-S/S2 (V) #0 : DVB-S #0
2018-08-26 20:11:25.063 epggrab: 11037H in DishTV - registering mux for OTA EPG
2018-08-26 20:11:25.065 subscription: 0004: "scan" subscribing to mux "11037H", weight: 5, adapter: "Sundtek DVB-S/S2 (V) #0 : DVB-S #0", network: "DishTV", service: "Raw PID Subscription"
2018-08-26 20:11:34.983 mpegts: 11037H in DishTV - scan no data, failed
2018-08-26 20:11:34.983 subscription: 0004: "scan" unsubscribing
2018-08-26 20:12:15.948 mpegts: 12523H in BigHD - tuning on Sundtek DVB-S/S2 (V) #0 : DVB-S #0
2018-08-26 20:12:17.449 epggrab: 12523H in BigHD - registering mux for OTA EPG
2018-08-26 20:12:17.451 subscription: 0005: "scan" subscribing to mux "12523H", weight: 5, adapter: "Sundtek DVB-S/S2 (V) #0 : DVB-S #0", network: "BigHD", service: "Raw PID Subscription"
2018-08-26 20:12:27.366 mpegts: 12523H in BigHD - scan no data, failed
2018-08-26 20:12:27.366 subscription: 0005: "scan" unsubscribing

my tunersetup
@root@odroid:~# /opt/bin/mediaclient -e

• List of Media Hardware Devices **
  device 0: [SkyTV Ultimate V 2016] DVB-S/S2, ANALOG-TV, REMOTE-CONTROL, OSS-AUDIO
  [INFO]:
  STATUS: STANDBY
  [BUS]:
  ID: 3-1.1
  [SERIAL]:
  ID: U160213190416
  [DVB-S/S2]:
  FESTATUS: STANDBY
  LNBVOLTAGE: DISABLED
  LNBSUPPLY: ACADAPTER
  LNBSTATUS: OK
  FRONTEND: /dev/dvb/adapter0/frontend0
  DVR: /dev/dvb/adapter0/dvr0
  DMX: /dev/dvb/adapter0/demux0
  [ANALOG-TV]:
  VIDEO0: /dev/video34
  VBI0: /dev/vbi0
  [REMOTECONTROL]:
  INPUT0: /dev/mediainput0
  [OSS]:
  OSS0: /dev/dsp0@

pls help me setup my tuner///