Haier DW-86L288 Service Manual page 45

Heat exchanger
sensor terminal
When
heat exchanger
Remarks: (Model ‐25 ° C and ‐50
(Model: independent backup system no E0, E1, E3, E4 fault)
Alternately display time: the actual temperature display 6 seconds, the fault code is displayed
for 2 seconds.
sensor senses the temperature
heat exchanger sensor so no E3, E4, fault)
45 / 88
,
≥ 90 alarm display
The heat exchanger
sensor probes foam
box inside of the
bottom
E4