Malfunction Of Drain Water Level System - Daikin R-410A Service Manual

ESIEN05-04
2.3 Malfunction of Drain Water Level System (A3)
A3
Error code
LED indications The table below shows the LED indications.
Operation
Normal
Malfunctioning
Error generation The error is generated when the water level reaches its upper limit and when the float switch turns
OFF.
Causes The possible causes are:
Part 3 – Troubleshooting
Malfunctioning drain pump
Improper drain piping work
Drain piping clogging
Malfunctioning float switch
Malfunctioning indoor unit PCB
Malfunctioning short-circuit connector X15 on PCB.
HAP (green)
c
c
Error Codes
HBP (green)
c
c
3–33
1
3
4
5