Lennox S40 - Page 84

84
Table 21. Lennox S40 Smart Thermostat Alert Codes and Troubleshooting
E2A=Errors to Action, GF= Gas Furnace, AH=Air Handler, IU=Indoor unit (GF or AH), HP=Heat Pump, AC=Air Conditioner, OU=Outdoor Unit (AC or HP), PA=Pure Air S, ZA=Zone system,
SRS=Smart Room Sensor, TS=Thermostat , IAQ- IAQ Monitor and WE=Wi-Fi Extender
Alert
Code
Inverter
Flash
Code
Priority
Condition
Actual Displayed Alert
Text Under dealer control
center > Notications
Component or System Operational State and Troubleshooting Tip
How to clear
alert code
700
Service
Urgent
Thermostat Temp
Sensor Problem
The Thermostat’s internal temperature sensor is not operating correctly. To resolve this issue, try the
following:
• Remove Thermostat from mag-mount and reattaching.
• Seal hole in wall behind mag-mount to minimize exposure to unconditioned air from inside the wall.
• Run “reset all” under dealer control center.
• If issue persist, then replace the Thermostat.
Automatically clears
when the system
detects that the issue
no longer exists.
701
Service
Urgent
Thermostat Temp
Above Limit
The thermostat is reading indoor temperatures above the pre-programmed limit. The thermostat has a built-in
non-adjustable high limit of 99°F.
• Cool thermostat.
• Adjust set point.
• Run reset all under dealer control center.
• Replace Thermostat or mag-mount, if needed.
Automatically clears
when the system
detects that the issue
no longer exists.
703 Service Soon
Thermostat Humid
Sensor Problem
Thermostat Humid Sensor Problem. Sensor is damaged or data is corrupted possibly.
First try a system reset,
then if persists the
thermostat would need
replacement.
3000 Maintenance Replace Filter 1 Replace lter.
Reset lter reminder
for both
3001 Maintenance Replace Filter 2 Replace lter.
3002 Maintenance
Replace Humidier
Pad
Replace Humidier Pad
Reset Humidier pad
reminder
3003 Maintenance Replace UV Bulb Replace UV Bulb
Reset UV Light
reminder
3004 Maintenance Maintenance Reminder Not Applicable
Make service
appointment with
dealer and reset
reminder
3005 Maintenance PA Maintenance Pure Air Maintenance
Make service
appointment for Pure
Air maintenance with
dealer and reset
reminder
65537
Service
Urgent
Missing Mag Mount
Base
• Base not detected and alarm 65538 has been raised over 30 times.
• Amber LED is displayed on thermostat.
• Mount and wire mag-mount before powering up thermostat.
Automatically clears
once is detected for
two seconds.