3-6. Water leaking
Forecast of cause
Erroneous installation
Drain hose failure
Diagnosis method when water leak occurs
Diagnosis method when water is spitting
out
• Is main unit installed in stable condi-
tion?
• Is main unit broken or deformed at the
time of transportation or maintenance?
Is the filter clogged?
↓ ↓
• Is drain hose connection loose?
• Is there a trap in drain hose?
• Is drain hose clogged?
Check gas pressure and cor-
rect it if there was a gas leak.
↓
↓
Is fan rotating? End
↓
End
3-6. Water leaking - (03-80) - 3. Troubleshooting without error code
TROUBLESHOOTING
TROUBLESHOOTING
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