Check
code
[F08]
[F12]
[F13]
[F15]
Outdoor
LED display
Check and troubleshooting
(Item without special mention Indicates part of outdoor unit.)
[Outside air temp. sensor (TO) error]
[Suction temp. sensor (TS) error]
[Heat sink temp. sensor (TH) error]
[Miss-mounting of outdoor temp. sensor (TE)
Correct connector.
Sensor error → Replace
Check outdoor P.C. board.
Defect → Replace
Is CN602 connection correct?
Is resistance value of TO sensor correct?
YES
NO
Correct connector.
Sensor error → Replace
Check outdoor P.C. board.
Defect → Replace
Is GM56, 80 : CN603, GM110, 140 :
CN604 connection correct?
Is resistance value of TS sensor correct?
YES
NO
Check outdoor P.C. board.
Defect → Replace
Check outdoor P.C. board.
Defect → Replace
Correct connector.
Sensor error → Replace
Correct connector.
Sensor error → Replace
Correct sensor mounting.
Is mounting status of
TE and TS sensors correct?
Is GM56, 80 : CN603, GM110, 140 : CN604
connection correct?
Is resistance value of TS sensor correct?
Is GM56, 80 : CN600, GM110, 140 : CN603
connection correct?
Is resistance value of TE sensor correct?
YES
YES
YES
NO
NO
NO