Thermo Scientific Variable Wavelength Detectors VF-D40

Wear personal protective equipment

Flush the flow cell with HPLC-grade water

Fill the flow cell with 0.1 M nitric acid using the optional flushing and injection kit

Flush the flow cell with HPLC-grade water until the solvent leaving the flow cell is neutral (pH 7)

Did cleaning the flow cell eliminate the problem?

Install a new flow cell if the problem persists

Ensure all personnel are wearing suitable personal protective equipment.

Ensure cleaning is performed in an adequately ventilated room.

Avoid open flames or exposure to excessive heat during cleaning.

Turn off the power to the device.

Disconnect the power cord from the power source.

Wipe the surfaces clean with a clean, dry, soft, lint-free cloth or wipe.

Remove all reservoirs from the solvent rack if the door is located directly below it.

Is the display installed next to the door to be replaced?

Loosen the fastening block of the display to push it toward the system rear, if necessary.

Lift the solvent rack slightly on the front edge if the door is located directly below it.

Push the door upward while opening to remove it.

Open the door to align the two hinges on the housing with the grooves on the door.

Tilt the door slightly to the outside and remove it.

Turn off the device with its main power switch

Loosen the screws on the lamp house cover

Ensure team effort for handling the device

Prepare the device for transport

Loosen the four captive screws on the front left and front right of the device

Push all tubing and capillaries into the tubing chase

Grasp the slide-in module by the leak tray or by the lamp house cover and the partition panel

Pull the module out of the enclosure by approximately 10 cm

Remove the slide-in module from the enclosure with team effort