Lennox 22V26 Installation And Setup Manual page 21

Alert
Priority
ID
70502 Service Soon
70503 Maintenance
70504 Maintenance
Table 3. Thermostat Smart Devices Alert Codes
Message
Sensor: {Custom
Sensor Name}: Internal
Fault
Sensor: {Custom
Sensor Name}:
Low Battery - Change
Batteries Soon
Sensor: {Custom
Sensor Name}: 1%
Battery - Change
Batteries
Troubleshooting
Unable to access internal data.
Cycle power to the Smart Room
Sensor (see "Cycling Power for
Troubleshooting" on page 17 for
procedure)
Battery percent equal to or less
than 3%.
Battery percent equal to or less
than 1%.
21
Clear Condition
After power cycle, wait for ten
(10) minutes for self-clearing
to take place, if condition is
not resolved then replace
Smart Sensor.
To clear, replace old AA
lithium batteries with new AA
lithium batteries.
To clear, replace old AA
lithium batteries with new AA
lithium batteries.