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Is connection of CN603 correct?
Is resistance value of TD sensor correct?
Correct connector.
Sensor error → Replace
Check outdoor P.C. board.
Defect → Replace
YES
NO
Is connection of CN601 correct?
Is resistance value of TE sensor correct?
Correct connector.
Sensor error → Replace
Check outdoor P.C. board.
Defect → Replace
YES
NO
Is connection of CN604 correct?
Is resistance value of TL sensor correct?
Correct connector.
Sensor error → Replace
Check outdoor P.C. board.
Defect → Replace
YES
NO
Check
code
[F04]
[F06]
[F07]
Outdoor
LED display
<Display 1> <Display 2>
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<Display 1> <Display 2>
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l
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<Display 1> <Display 2>
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¡ ¥
l
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ll
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l
¡¡
<Display 1> <Display 2>
¡
l
¡
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l
¥
l
¥
¡
l
¡¡
<Display 1> <Display 2>
¡ ¥
¡ ¥
l
¥
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¥
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<Display 1> <Display 2>
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Check and troubleshooting
(Item without special mention Indicates part of outdoor unit.)
[Discharge temp. sensor (TD) error]
• There is a possibility that it is one of the following errors.
Confirm LED on outdoor P.C. board to judge which error it is.
Heat exchanger temp. sensor (TE) error, Heat exchanger temp. sensor (TL) error,
Suction temp. sensor (TS) error, Miswiring of heat exchanger sensor (TE, TS)
Heat exchanger temp. sensor (TE) error]
[Heat exchanger temp. sensor (TL) error] → Refer to [F07] column.
[Suction temp. sensor (TS) error] → Refer to [F12] column.
[Miswiring of heat exchanger sensor (TE, TS)] → Refer to [F15] column.
[Heat exchanger temp. sensor (TL) error]
<In case of SP80>