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SEERS-F01/REV.0 SEPT 2019 SEERS 2019
6.2 Error Messages
Error messages will be displayed on the screen.
Display screen shows “E1”
Open circuit on temperature Check or replace the
temperature sensor terminal
or cable
Display screen shows “E2”
Open circuit on temperature Check or replace the
temperature sensor terminal
or cable
Display screen shows “E4”
Electrical short on
temperature sensor
Check or replace the
temperature sensor terminal
or cable
Display screen shows “E5”
Electrical short on
temperature sensor
Check or replace the
temperature sensor terminal
or cable
Display screen shows “E7”
Not water or float sensor is
damaged
Add water, check the float
sensor or replace the float
ball valve