Help

[SOR Coffee Roaster]

how to slove this problem

[kaffelogic]

Please contact customer support https://kaffelogic.com/help.

The support team will assist with diagnosis to determine if this is a roaster fault or power supply issue.

[SOR Coffee Roaster]

we bought a Voltage regulator wish to slove this,but still has this problem（video111）,this time the comoputer show me this（picture1111），i follow the tips still not work