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Honeywell FOCUSPRO TH5320R User Manual

Page 15

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13

Heating or
cooling system
does not respond

Check circuit breaker and reset if necessary.

Make sure power switch at heating & cooling system is on.

Make sure furnace door is closed securely.

Wait 5 minutes for the system to respond.

In case of difficulty

Screen displays
“No Signal”

Thermostat has lost radio contact with the wireless network (usually
because of a power outage). To restore power:

Check circuit breaker and reset if necessary.

Make sure power switch at heating & cooling system is on.

Make sure furnace door is closed securely.

After power is restored, the thermostat will automatically restore wireless
communication within a few minutes.