Drain Level Control System (S1L) Abnormality - Daikin SkyAir RZR-TA Series Service Manual

Troubleshooting by Error Codes
4.7

Drain Level Control System (S1L) Abnormality

A3
Error Code
Applicable
FCQ-TA, FBQ-P
Models
Method of Error By float switch OFF detection
Detection
Error Decision When the float switch goes OFF when conditions for rise of water level are not met
Conditions
Supposed  Defective drain pump
Causes  Improper drain piping work
 Drain piping clogging
 Defective float switch
 Defective indoor unit PCB
 Defective short circuit connector on PCB
188
SiUS281811E
Part 6 Service Diagnosis