Delta enteliZONE eZNT-Wi Series Application Manual page 49

Issue Action / Expected Result / Comment
Signal Verify signal strength from router and the wireless thermostat.
Strength
See the AV94 (WiFi_RSSI) entry in the Object Instances
Numbers table in the
the Wi-Fi signal strength value from the IP1.RSSI property.
For the eZNT-Wi and eZNTW-Wi, the RSSI signal strength in dB
shows on the default display to help troubleshoot connections
during Wi-Fi setup. When the thermostat is connected to a
wireless network, the temperature reading in degC shows on
line2 and the RSSI value shows on line3 of the display. If the
thermostat is not connected to a wireless network, line3 shows
a signal strength value of 0.
An RSSI value of -70dB or less indicates a weak signal with
higher chances of wireless communication problems such as
offline devices. Database save/ load and firmware flashing
operations also may fail. Communications are also affected by
the wireless noise in the environment and the number of
devices on a channel and the channel overlap.
The router rOU) menu item indicates the Wi-Fi signal strength
(AV94) by displaying 0 (very weak) to 5 (very strong) curved
bars. It is recommended to have a signal strength of at least -
70 dB (2 bars).
In addition, when a stat with Wi-Fi is powered up without a
database, the Wi-Fi signal strength shows on line3 of the
display.
Recover from Verify SSID and password for router.
incorrect
Sometimes a Run/Clear procedure must be done to return the
configuration.
database to the factory default and also to remove any retained
network settings information.
See
put an thermostat back into the default factory state.
eZNT-Wi Programmable Wi-Fi Thermostat Application Guide
Edition 1.4
Database Objects
Appendix A: Database Operations
section. AV94 contains
for the steps required to
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