A3" Malfunction Of Drain Level Control System (S1L) - Daikin VRV III-S RXYMQ36 48PVJU Service Manual

SiUS34-907
A3
3.3 " " Malfunction of Drain Level Control System (S1L)
A3
Remote
Controller
Display
Applicable FXFQ, FXMQ, FXDQ
Models FXHQ (Option), FXAQ (Option)
Method of
By float switch OFF detection
Malfunction
Detection
Malfunction
When rise of water level is not a condition and the float switch goes OFF
Decision
Conditions
 208~230V power supply is not provided
Supposed
 Defect of float switch or short circuit connector
Causes
 Defect of drain pump
 Drain clogging, upward slope, etc.
 Defect of indoor unit PCB
 Loose connection of connector
Troubleshooting
Troubleshooting by Indication on the Remote Controller
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