The Marantz PM7000N is an integrated amp with HEOS streaming built in, so "Wi-Fi not working" is almost always a network-setup or reach problem — the amp can't join your Wi-Fi cleanly, or the HEOS app can't see it. The fixes are the same HEOS-network moves that resolve most Denon/Marantz network trouble — the same ones behind the Denon HEOS error 1002 connection-failed fix — and there's a reliable wired fallback.
Fix it
- Re-run network setup in the HEOS app. Open the HEOS app, add/select the PM7000N, and run Wi-Fi setup again, joining the 2.4 GHz network — HEOS connects more reliably on 2.4 GHz than 5 GHz, especially at distance.
- Put your phone and the amp on the same network. Not a guest network, a different isolated band, or a VPN. The app has to reach the amp on the same segment.
- Reboot in order. Power-cycle the router (off ~30 seconds), then the PM7000N (unplug for at least 30 seconds), and let the router fully come up first.
- Wire it via Ethernet — the reliable fix. The PM7000N has an Ethernet port. Connecting it directly to the router sidesteps Wi-Fi entirely and is the most dependable way to get HEOS working; many owners just leave it wired.
- Update firmware once it's on the network — HEOS updates fix connectivity bugs, and an out-of-date amp can drop Wi-Fi.
If it keeps dropping or won't appear in HEOS
HEOS discovery relies on multicast, so on prosumer routers and managed networks:
- Allow multicast / set an IGMP querier, and disable AP/client isolation.
- Disable band-steering (one SSID auto-switching between 2.4/5 GHz) — give 2.4 GHz its own SSID for the amp.
- Reserve the amp's IP (DHCP reservation) so it doesn't vanish from the app after a lease change.
- Watch for the firmware-update network bug that has hit some HEOS gear (the device shows IP 0.0.0.0 with all network dead) — the fix is a network/user reset per the manual, and disabling auto-update until a known-good firmware.
FAQ
Why won't my PM7000N connect to Wi-Fi? Usually it's joining the wrong band or your phone is on a different network. Re-run HEOS setup on the 2.4 GHz network, with the phone on the same network and no VPN.
What's the most reliable fix? Wire it to the router with Ethernet. The PM7000N has an Ethernet port, and that sidesteps Wi-Fi discovery and drop-outs entirely.
It won't show up in the HEOS app. That's a discovery problem — allow multicast and disable client isolation on the router, reserve the amp's IP, and reboot both. Wiring it fixes it outright.
It dropped off after a firmware update. Some HEOS gear hit a network bug after updates (IP 0.0.0.0). Do a network/user reset per the manual and disable auto-update until a known-good firmware.
The amp is online but plays no sound from a source? That's a routing/output issue, not Wi-Fi — see Marantz receiver no sound.