Error Code - Toshiba DWS-22AHK Instruction Manual

Error code

When failure occurs, error code will appear to remind you:
Error code
28
Code name
Long water
intake time
Abnormal heating
Overflow or water
tank problem
Abnormal function
of operation key
Abnormal
communication
No signal of tank full
Possible cause
Flow-meters, drain valves, or pump failures shall
Heating pipe or thermistor is at abnormal state,
which needs to be unplugged the power plug from
the outlet , and needs to be repaired by qualified
serviceman.
The machine occur overflow or something wrong
with the floater in the water tank, needs to be
repaired by qualified serviceman.
Water or other material on the button will result in
abnormal function of operation key, which need to
Abnormal tank floater may cause no signal for tank
full, need to be repaired by qualified serviceman.