Lennox iComfort SL18XC-01 Installer Setup Manual page 36

HOMEOWNER SERVICE ALERT CODES
Number Value Number
3000 Filter 1 3002
3001 Filter 2 3003
507341-02
Value Number Value
Humidifier Pad 3004 Maintenance
UV Light 3005 PureAir Maintenance
Number Value
4000 User Wi-Fi state change, dis­
able
4001 Firmware download failed
36
Number Value
4002 Image file download failed