Problem description:

LCD panel shows the following information:

Reasons:

1. Water chiller（water pump）is not turned on 

The switch in the red circle in the picture is not turned on.

Solution:

Please turn on the water chiller before power on the machine, like below.

2.Signal cable for water protection has no connection

The signal cable connected to'ALARM OUTPUT' is loose.

Solution:

Please has signal cable connected, like below.

Wiring problem:

Please check it according to the video below.

Water error diagnostics

End