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

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
242