Samsung RB1855SW Service Manual page 45

Diagnostics
10-8) Alarm continuously
Pre-check
1. Alarm begins after 2 minutes when the door is open and runs in every 2 minutes.
2. If the door is not closed properly, MICOM will indicate that the door is open, and alarm
continues. If the alam goes for 10 minutes, the light in the compartment will be off and not
be on in the situation that the door opens.
1) If melody sounds continuously
45