Troubleshooting by Indication on the Remote Controller SiBE37-701_B
261 Troubleshooting
3.3
“
A3
”
Indoor Unit: Malfunction of Drain Level Control
System (S1L)
Remote
Controller
Display
A3
Applicable
Models
FXCQ, FXZQ, FXFQ, FXSQ, FXKQ, FXDQ, FXMQ, FXHQ (Option), FXMQ200, 250M (Option),
FXAQ (Option)
Method of
Malfunction
Detection
By float switch OFF detection
Malfunction
Decision
Conditions
When rise of water level is not a condition and the float switch goes OFF.
Supposed
Causes
220~240V power supply is not provided
Defect of float switch or short circuit connector
Defect of drain pump
Drain clogging, upward slope, etc.
Defect of indoor unit PCB
Loose connection of connector
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