SUPER DIGITAL

Check
code
Outdoor
LED display
Check and troubleshooting
(Item without special mention Indicates part of outdoor unit.)
[P07]
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[Heat sink overheat error]
Is there no loosening of
screws of motor drive element of
outdoor P.C. board Q200, Q300, Q400
and rectifier DB01, DB02, DB03?
Did not forget to apply
radiation grease to rear side of
Q200, DB01, DB02 or DB03?
YES
NO
Apply radiation grease to objective part.
Retightening of screws.
(Be sure not to forget to attach insulating sheet
between heat sink and Q300, Q400.)
Is not the ventilation flue
of the heat sink blocked?
Is not the fan blocked?
(Short-circuit, etc.)
NO
Remove blocking matter.
Correct short-circuit.
YES
Check outdoor P.C. board.
Defect → Replace
[P15]
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[Gas leak detection]
Is there no gas leak?
Is refrigerant charge amount adequate?
YES
Is PMV normal?
NO
NO
Repair defective position.
Recharge refrigerant.
Correct defective position.
Replace defective part.
YES
Is valve fully opened?
NO
Open valve fully.
YES
Is there no crushed pipe?
YES
Correct and replace piping.
NO
Check temp. sensor.
TD sensor CN603
TS sensor CN600
Error
Correct connector.
Sensor error → Replace
OK
Check outdoor P.C. board.
Defect → Replace
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