Filter
Top Products
– 102 –
Are the power devices on
P.C. board screwed without looseness?
(Rear sides of Q201, Q300, Q650, DB01, DB02)
Are radiation grease properly applied?
(Q201, Q650, DB01, DB02)
Check outdoor P.C. board.
Defect → Replace
Remove blocking matter.
Correct short-circuit.
Open service valve fully.
Correct and replace piping.
Correct connector.
Sensor error → Replace
Check outdoor P.C. board.
Defect → Replace
Correct defective part.
Replace defective part.
Repair defective part.
Recharge refrigerant.
Is there crushed pipe?
Is service valve fully opened?
Is PMV under correct conditions?
Is there gas leak?
Is there refrigerant shortage?
Check temp. sensor.
TD sensor CN603
TS sensor CN600
Does something block the
ventilation around the heat sink?
Does something block air flow
from the fan?
Apply radiation grease to objective parts.
Retightening of screws.
(Be sure not to forget to attach insulating sheet
between heat sink and Q300.)
Error
OK
NO
YES
YES
YES
YES
NO
NO
NO
NO
NO
YES
YES
Check
code
[P07]
[P15]
Outdoor
LED display
<Display 1> <Display 2>
¡ ¥
¡ ¥
¡ ¥
ll
¡
l
¡¡
<Display 1> <Display 2>
¡ ¥
¡ ¥
¡ ¥
l
¥
¡
l
¡¡
Check and troubleshooting
(Item without special mention Indicates part of outdoor unit.)
[Heat sink overheat error]
[Gas leak detection]
<In case of SP80>