Sony VPL-PHZ10 Operating Instructions Manual page 63

Error code
NPR-E1804
NPR-E2101
Meaning/Measure
Connected to a different SSID (access point) from the
one you assigned.
Start from the connection setting again.
Cannot receive a response from the projector.The
response may be blocked or the network may have
been disconnected from the projector while
communicating. Check the setting of the security
software of the computer, the power status and the
network composition of the projector.
Using Presentation Function via Network
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