Service Manual

– 100 –
Check outdoor P.C. board.
Defect → Replace
Check
code
[L29]
Outdoor
LED display
<Display 1> <Display 2>
l
¥
¡
l
¡ ¥
l
¥
¡ ¥
¡¡
<Display 1> <Display 2>
¡ ¥
¡ ¥
¡ ¥
ll
¡
l
¡¡
<Display 1> <Display 2>
¡ ¥
¡ ¥
l
¥
l
¥
¡ ¥
¡¡
<Display 1> <Display 2>
ll
¡ ¥
¡
l
l
¥
¡
l
¡¡
<Display 1> <Display 2>
¡ ¥
¡ ¥
¡ ¥
ll
¡
l
¡¡
<Display 1> <Display 2>
¡ ¥
¡ ¥
¡ ¥
l
¥
¡
l
¡¡
<Display 1> <Display 2>
¡ ¥
¡ ¥
¡
l
ll
¡ ¥
¡¡
Check and troubleshooting
(Item without special mention Indicates part of outdoor unit.)
∗ 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.
Communication error between MCU, Heat sing temp. sensor (TH) error,
EEPROM error, Unset model type, Heat sink overheat error, Gas leak detection,
4-way valve inverse error
[Communication error between MCUs]
[Heat sink temp. sensor (TH) error] → Refer to [F13] column.
[EEPROM error] → Refer to [F31] column.
[Unset model type] → Refer to [L10] column.
[Heat sink overheat error] → Refer to [P07] column.
[Gas leak detection] → Refer to [P15] column.
[4-way valve inverse error] → Refer to [P19] column.
<In case of SP80>