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Correct connector.
Sensor error → Replace
Correct connector.
Sensor error → Replace
Check outdoor P.C. board.
Defect → Replace
Correct connector.
Sensor error → Replace
Correct connector.
Sensor error → Replace
Correct sensor mounting.
Check outdoor P.C. board.
Defect → Replace
Check outdoor P.C. board.
Defect → Replac
Check outdoor P.C. board.
Defect → Replace
Check outdoor P.C. board.
Defect → Replace
Is mounting status of
TE and TS sensors normal?
Is CN600 connection normal?
Is resistance value of TS sensor normal?
Is CN602 connection normal?
Is resistance value of TO sensor normal?
Is CN600 connection normal?
Is resistance value of TS sensor normal?
Is CN601 connection normal?
Is resistance value of TE sensor normal?
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
CODE
No.
[F08]
[F12]
[F13]
[F15]
[F31]
Outdoor
LED display
<Display 1> <Display 2>
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<Display 1> <Display 2>
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<Display 1> <Display 2>
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<Display 1> <Display 2>
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<Display 1> <Display 2>
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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]
[Miswiring of heat exchanger sensor (TE, TS)]
[EEPROM error]