Daikin RY24PEV1K, Service Manual

Page: 105 / 134

SiK401004_A
97 MAINTENANCE

Malfunction display: E9 Malfunction of drain water level
Malfunction of drain
water level
Replace the main board of
the indoor unit
Yes
No
Check the water
drainage pipe
Adjust the water drainage
pipe
Check the liquid level
switch
Replace the main board of
the indoor unit
Check the cables of water
drainage pump
Check if water overflow
Check if
the water drainage
pump works
Check if the
water drainage pipe is jammed
or if water flows
smoothly
No
No
Check if the
voltage of liquid level switch
end is ok
Check if the
voltage of water drainage
pump end is ok
Yes
Yes
Yes
No
Yes
No
Yes