Code 5646: “lamp - set lamp on failed” (Error)

Situation

Solution

Lamp exhausted.

Install a new lamp. See service manual chapter "Lamp replacement process".

Power cables disconnected from the Mains Input sockets of the LPS units.

Check if the power wires (reference 1 of image) are connected with the LPS unit.

LPS communication cable disconnected from the CTLB-IN port of the LPS unit.

Check if the LPS communication cable (reference 3 of image) is connected with the CTLB-IN port of the LPS unit.

LPS communication cable disconnected form the Signal Backplane.

Check if the LPS communication cable (reference 6 of image) is connected with the Signal Backplane.

Malfunction of the LPS module. The red LED “ERR” of the LPS module lit up. See chapter "LPS module diagnostic LED's".

Replace the malfunction LPS unit. See service manual chapter "Lamp Power Supply (LPS)".

The lamp goes out immediately after the ignition or does not go on at all. SMPS and LPS seems to work normally. This situation can be the result of a bad lamp or SPG module.

  • Install another xenon lamp in case the voltage on the “LAMP OUT” pins is 110 volt and you hear the SPG module clicking to ignite the lamp. See service manual chapter "Lamp replacement process".

  • Replace the SPG module in case the voltage value on the “LAMP OUT” pins is 110 volt and you do NOT hear the SPG module clicking to ignite the lamp. See service manual chapter "Start Pulse Generator".

  • Replace the LPS module in case the voltage value on the “LAMP OUT” pins is below 110 volt and the lamp is not ignited.

Note: The ambient noise must be low to hear the SPG clicking in an attempt to ignite the lamp.

Malfunction Barco Cinema Controller board.

Replace the malfunction Barco Cinema Controller board. See service manual chapter "Replacement of the Cinema Controller".