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Table 19. Alert Codes and Troubleshooting
Initial notification of critical alerts will pop-up on the home screen and will be listed under notification menu. Minor and moderate alerts are found only under the notification menu. Moderate alerts
are not e-mailed to Homeowners. Dealers will get an email and code can be seen on thermostat under the installer notification section.
NOTE:
Anytime the word
DEVICE
or
DEVICE2
is used in this table, it will be replaced on all alert code notification screens with the actual offending device name, for example, thermostat, heat
pump, etc.).
Alert
Code
Inverter
Flash
Code
Priority
Condition
Applicable
Component
Actual Displayed
Alert Text
Component or System Operational State and Troubleshooting Tip
65539
Critical
HD Display
(Thermostat)
Missing TSTAT
• HD Wall Display not detected for more than 30 seconds.
• Flashing blue LED will appear if not communicating with smart hub.
Typically the thermostat will send a command to the unknown device and place it in a soft disable state.
The Lennox communicating control with the soft disable state will indicate so as follows:
•
On air handler, furnace and outdoor controls, the state is displayed by double horizontal lines on seven-segment display.
•
On the damper control module, the green LED will flash 3 seconds ON and 1 second OFF.
•
On the equipment interface module, the green LED will flash 3 seconds ON and 1 second OFF.
Cycling power to the soft disabled control may clear the condition. If cycling power does not clear the soft disable state then
replace control.
Automatically clears once is detected for two seconds.
65543
Info
HD Display
(Thermostat)
Firmware updated
When new firmware has been successfully updated to the thermostat.
Typically the thermostat will send a command to the unknown device and place it in a soft disable state.
The Lennox communicating control with the soft disable state will indicate so as follows:
•
On air handler, furnace and outdoor controls, the state is displayed by double horizontal lines on seven-segment display.
•
On the damper control module, the green LED will flash 3 seconds ON and 1 second OFF.
•
On the equipment interface module, the green LED will flash 3 seconds ON and 1 second OFF.
Cycling power to the soft disabled control may clear the condition. If cycling power does not clear the soft disable state then
replace control.
Clears automatically after successfully update.
65544
Critical
HD Display
(Thermostat)
Too many siblings
The system is limited to no more than five (5) smart hubs assigned to one group. You can have up to nine groups (1-9) with
five smart hubs assigned to each. If you have more than 5 smart hubs assigned to a single group, then alert code 65544 will be
displayed.
This alert code notification will only appear once. Once the system detects that only five or less smart hubs are detected in one
group will the alert code automatically clears.
65545
Moderate
(On/Off)
Default
HD Display
(Thermostat)
Cooling Capacity
Alert
Cooling operation may not be sufficient for the hottest days. Based on local conditions and climatological data for zip code.
Examples: Dirty Filter, Low Freon charge, TXV, etc. Symptom during mild temperatures may include; system running longer
than normal but not showing any other symptoms.
Auto cleared on next prediction.
