For Authorized Service TechniciansFor Authorized Service Technicians
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No Power on when the power button pressed.
The Power connection
is correctly connected.
The Fuse or
Circuit Breaker
of house is O.K?
The Power Switch or
the Circuit is O.K?
• Re-connect the power connection.
• Was there a power failure?
• Replace the Fuse or Circuit Breaker of house.
• Check the Power Switch or the circuit and repair it.
Check the Controller. (Power Circuit)
7-3. TROUBLE DIAGNOSES AND REPAIR BY SYMPTOM
NO
NO
YES
YES
YES
NO