Check
code
[F04]
[F06]
[F07]
Outdoor
LED display
Check and troubleshooting
(Item without special mention Indicates part of outdoor unit.)
[Discharge temp. sensor (TD) error]
Heat exchanger temp. sensor (TE) error]
[Heat exchanger temp. sensor (TL) error]
Is GM56, 80:CN600, GM110,140:CN603
connection correct?
Is resistance value of TE sensor correct?
Correct connector.
Sensor error → Replace
Check outdoor P.C. board.
Defect → Replace
YES
NO
Is GM56, 80:CN604, GM110,140:CN605
connection correct?
Is resistance value of TL sensor correct?
Correct connector.
Sensor error → Replace
Check outdoor P.C. board.
Defect → Replace
YES
NO
Is CN601 connection correct?
Is resistance value of TD sensor correct?
Correct connector.
Sensor error → Replace
Check outdoor P.C. board.
Defect → Replace
YES
NO