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<In case of SP110, SP140>
Check crushed or broken pipe.
Defect → Correct and Replace
Correct defective position.
Replace defective part.
Open valve fully.
Repair defectives position.
Recharge refrigerant.
Check outdoor P.C. board.
Defect → Replace
Correct connector.
Case thermostat error → Replace
Cut jumper line according
to the explanation sheet packaged
with the service P.C. board.
Is valve fully opened?
Is PMV normal?
Is there no gas leak?
Is it not refrigerant shortage?
Are CN609 connection
and case thermostat normal?
Is cooling/heating operation
available when short-circuiting
case thermostat?
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
Check
code
[H04]
[L10]
Outdoor
LED display
<Display 1> <Display 2>
ll
ll
¡
l
l
¥
¡
l
¡¡
<Display 1> <Display 2>
ll
¡ ¥
¡
l
l
¥
¡
l
¡¡
Check and troubleshooting
(Item without special mention Indicates part of outdoor unit.)
[Case thermostat operation]
[Unset model type]: Only when service P.C. board is used