Code 5643: “lamp power supplies - communication failed with at least one lamp power supply” (Error)

Situation

Solution

Disconnected wire unit between the “CTRL IN” and “CTRL OUT” sockets of the LPS units (reference 3 image "LPS connections").

Reconnect the wire unit between the “CTRL IN” and “CTRL OUT” sockets of the LPS units.

Malfunction of one of the LPS units. The orange LED (Heartbeat) of the malfunction LPS is not blinking.

Replace the whole LPS module. See "Removing the LPS module".

LPS connections

LPS connections