Lennox 4 Series Installation Manual page 27

Table 13: Error Codes (Continued)
Malfunction
Gas Pipe Temperature
Sensor Malfunction (B)
Liquid Pipe Temperature
Sensor Malfunction (C)
Gas Pipe Temperature
Sensor Malfunction (C)
Liquid Pipe Temperature
Sensor Malfunction (D)
Gas Pipe Temperature
Sensor Malfunction (D)
Liquid Pipe Temperature
Sensor Malfunction (E)
Gas Pipe Temperature
Sensor Malfunction (E)
Exit of the Condenser
Tube Sensor Malfunction
Correspondence is
Normal
Communication Failure
between Units
Mode Conflict
Accept Fluorine Mode
Jumper Cap Malfunction
Protection
13 23 50 | lennoxaus.com.au
Indicator Display
Yellow Light Red Light
Flash 20 Times
Flash 21 Times
Flash 22 Times
Flash 23 Times
Flash 24 Times
Flash 25 Times
Flash 26 Times
Flash 27 Times
LENNOX MULTI SPLIT INVERTER
Green Light
Flash 7 Times
Often Bright
Outdoor Unit
Indoor Display
E7
Fo
C5
27