Panasonic S-22KA1E5 - 19 Troubleshooting Flowchart; Drain Level Float Switch Problem (F15-01)

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19. Troubleshooting Flowchart
19.1 Drain Level Float Switch Problem (F15-01)
Malfunction Decision Conditions
• During operation of cooling and heating, the signal received from drain level float switch in indoor unit is checked
whether it is normal.
Malfunction Caused
• Faulty connector connection.
• Faulty indoor unit drain pump motor.
• Clogged drain hose.
• Faulty indoor unit PCB (main).
Troubleshooting