Service Manual
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2) Error display
The error which is generating at present and the latest error (Latest error information including present)
can be confirmed by lighting LED D800 toD804 on the outdoor control P.C. board.
a) When all DIP switch SW803 are OFF, the status of error which is generating at present is displayed.
b) <1> only of DIP switch SW803 is turned on, the error which generated before
(Latest error information including present) is displayed.a)
c) If there is an error, any of LED D800 to D804 goes on. (Display 1)
d) When pushing the pushdown button switch SW800 for approx. 1 second, the display is exchanged.
(Display 2)
e) When pushing SW800 again or after 2 minutes, the status returns to that of Display
.
(Legend)
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D800 D801 D802 D803 D804 D805
(Yellow) (Yellow) (Yellow) (Yellow) (Yellow) (Green)
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: Go off,
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: Go on,
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: Flash
∗ As the error code displayed on the wired remote controller may differ according to type of indoor model,
multiple codes are described.
Display 1)
(Initial display)
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Display 2)
(SW800 operation)
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Error contents
Normal
Discharge temp. sensor (TD) error
Heat exchanger temp. sensor (TE) error
Heat exchanger temp. sensor (TL) error
Outside temp. sensor (TO) error
Suction temp. sensor (TS) error
Heat sink temp. sensor (TH) error
Heat exchanger sensor (TE, TS) miswiring
EEPROM error
Compressor break down
Compressor lock
Current detection circuit error
Case thermostat operation
Model unset
Communication error between MCU
Other error (Compressor disorder, etc.)
Discharge temp. error
High pressure SW system error
Power supply error
Heat sink overheat error
Gas leak detection
4-way valve reverse error
High pressure protective operation
Fan system error
Driving element short-circuit
Position detection circuit erro
Wired remote controller
Error code
—
F04
F06
F06, F07
F08
F06, F12
F13, L29
F06, F15
F31, L29
H01
H02
H03
H04, P04
L10, L29
L29
Error is not determined.
P03
P04
P04, P05
P07, L29
P15, L29
P19, L29
P04, P20
P22
P26
P29
Present error
SW803
ON
2341
Latest error
SW803
ON
2341