Tvheadend

I am a long time DVBlink user and have been grabbing EPG data via EIT from a specific transponder at Thor 0.8W where the provider transmits EPG for ALL their channels. DVBlink can be told to do this and thus only has to scan one transponder, not all 62 of them.

I figured maybe TVH could do this too, so I disabled EPG scanning on all muxes except the one (11247V) which I set to EIT only.

Unfortunately it's not grabbing anything at all - not even for the channels on that transponder. The log just says

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2018-03-25 18:03:02.628 mpegts: 11247V in Canal Digital DVB-S - tuning on SAT>IP DVB-S Tuner #1 (192.168.2.65)

2018-03-25 18:03:02.628 subscription: 0006: "epggrab" subscribing to mux "11247V", weight: 4, adapter: "SAT>IP DVB-S Tuner #1 (192.168.2.65)", network: "Canal Digital DVB-S", service: "Raw PID Subscription"

2018-03-25 18:03:17.704 subscription: 0006: "epggrab" unsubscribing
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Can anyone help?