Lennox iComfort S30, Installation And Setup Manual

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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
500
Minor
(Escalated to
Critical after
alert code
persists for
15 minutes)
PureAir S Press Sensor Fault
Pressure sensor reports a fault for more than 5 minutes, or does not respond for more than 5 minutes.
Device will not perform any pressure reading calculations until fault is recovered. Remaining filter life display will indicate “-“
while fault exists.
Automatically clears 30 seconds after fault is recovered.
501
Minor
(Escalated to
Critical after
alert code
persists for
15 minutes)
PureAir S UV Sensor Fault
Ultra-violet (UV) sensor reports a fault for more than 5 minutes or UV sensor does not respond for more than 5 minutes.
Device will not perform any UV lamp life remaining calculations until fault has recovered. Life remaining display shall indicate “-“
while fault exists.
Automatically clears 30 seconds after fault is recovered.
502 Critical PureAir S UV Lamp Off
The light is determined to be off when the last three last light intensities measurements are below the set threshold.
Light is determined on after 1 set of five samples are above the set threshold.
503 Moderate PureAir S Filter life at 10% Filter life remaining determined to be <=10%, but greater than 0%.
504 Critical PureAir S Filter Life at 0% Filter life remaining determined to be 0%.
505 Moderate PureAir S
PureAir Model
Selection Changed Model Selection jumper has changed positions. Jumper repositioned back to original jumper position or system rebooted.
506 Critical PureAir S
UV Lamp Life at
0%
Ultra violet lamp life is at 0%.
507 Critical PureAir S
Filter Calibration
Failure
Filter calibration determined failed due to all test cfm static pressures reading <= 7 Pa.
Send alert code immediately.
No filter tests or life calculation occur while this alert code is active.
Clear alert code upon initiation of another filter calibration.
530 Moderate iHarmony
Low Damper
24VAC Voltage
• Check 24VAC voltage to all dampers.
• Check 24VAC damper transformer.
• Check connections.
Replace transformer if applicable.