ℹ
info Honeywell
Status REPL
Air filter reminder — the thermostat is notifying that the air filter needs to be replaced.
? What Causes This
The thermostat's air filter replacement reminder has been triggered based on usage or time interval.
ⓘ What This Means
- Replace the air filter with a new one.
- Access the alert through Menu > ALRT.
- Press Select to snooze for 7 days or press Select then down arrow to CLER to clear the reminder after replacing the filter.
Source: page 7 of the official manual
From the manual