Panasonic CS-E24EKRS Operating Instructions Manual page 11

NON SERVICEABLE CRITERIAS
TURN OFF POWER SUPPLY and CALL Authorized Distributor under the following conditions:
• Abnormal noise during operation.
• Water/foreign particles have entered the Remote Control.
• Water leak from Indoor unit.
• Circuit breaker switches off frequently.
• Power cord becomes unnaturally warm.
• Switches or buttons are not functioning properly.
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