Why Your HTEM4 MoCA Connection Isn't Working – 6 Common Fixes
If your HTEM4 MoCA adapters aren't working, review this list of quick fixes.
1. Coax outlets aren’t connected.
All outlets must be on the same continuous coax line.
2. Router doesn’t support MoCA.
You need two adapters unless your router is MoCA-enabled.
3. Splitter is blocking MoCA
Replace the "bad splitter" with a MoCA-compatible splitter (5-1675 MHz).
4. Amplifiers or filters are blocking the signal.
MoCA signals can be stopped by coax amplifiers or filters. Please remove the coax amplifiers or filters.
5. Ethernet cable is in the wrong port.
Make sure Ethernet goes from your router to the HTEM4 adapter, and from the adapter to a device.
6. Defective adapter or cable
Test each HTEM4 unit and Ethernet cable by following the instructions found here
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