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code
[P03]
Outdoor
LED display
<Display 1> <Display 2>
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Check and troubleshooting
(Item without special mention Indicates part of outdoor unit.)
[Discharge temp. error]
[P04]
[P05]
<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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∗ 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.
Power supply error (Vdc), High pressure protective operation, Case thermostat
operation
[Case thermostat operation] → Refer to [H04] column.
[Power supply error (Vdc)] → Refer to [P05] column.
[High pressure protective operation] → Refer to [P20] column.
Check outdoor P.C. board.
Defect → Replace
Correct connector.
Sensor error → Replace
Correct and clear the cause.
Repair defective position.
Replace defective part.
Repair defective position.
Recharge refrigerant.
Is it not abnormal overload?
Is PMV normal?
Is CN603 connection normal?
Is resistance value of TD sensor normal?
Is there no gas leak?
Is refrigerant charge amount adequate?
YES
YES
NO
YES
NO
NO
NO
YES
Confirm electric construction, etc.
Check outdoor P.C. board.
Defect → Replace
Is there no down or up
of power supply voltage?
(AC198 to 264V)
YES
NO
[Power supply error (Voltage error)]