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Check
Outdoor
code
LED display
[P15]
(Item without special mention Indicates part of outdoor unit.)
[Gas leak detection]
Is there gas leak?
Is there refrigerant shortage?
NO
Is PMV normal?
YES
Is service valve fully opened?
YES
Is there crushed pipe?
NO
Check temp. sensor.
TD sensor CN60
TS sensor CN64
OK
Check Interface
(CDB) P.C. board.
Failure → Replace
Check and troubleshooting
YES
NO
NO
YES
Trouble
- 65 -
Fault part repair.
Recharge refrigerant.
Replace the PMV.
Open service valve fully.
Correct and replace piping.
Correct connector.
Sensor trouble → Replace
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Table of Contents
Troubleshooting
