Electrically Testing The Unit - Samsung 050JXYDEH Installation And Maintenance Manual

Electrically testing the unit:

With all your stats off, the controller will display the word TEST. When you send any
run signal to the unit it will change to HEAT1.
Turn up a stat or the underfloor heating to test this. Now if you turn the stats and the
UFH off TEST will show again.
If you are doing a Hybrid system,
Press the Silent button, a milk churn with a B in it will appear, within 30 seconds the
boiler will run. Press Silent again to turn it off.
To exit service mode press ESC.
It is possible to test each component
one after another using the service
function.
You can use this to make sure you have
wired everything correctly.
To access service mode press right
and left button together for 6 seconds.
The controller will display TEST or 7E57
press the power on/off button to start
the pump, we always run the pump
constantly in test mode.
When the pump is running you can see
a picture of a house with a circle round
it.
you can test the operation of the boiler.
2016 b fast connect 12