FAQ - Frequently Asked Questions

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Frequently Referenced FAQ

Latest FAQ

FAQ within [ Solvent Delivery Module ]

1-10 of Total 72

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  • (HPLC) Checking the flow rate

    1. Connect the resister tube(Example: ID0.1x4m: Parts Number: 228-32722-92)to the pump outlet instead of HPLC column. 2. Fill the reservoir with purifie... Show Detail

    • No：4773
    • Date of Issue：2021/01/14 10:03
    • Last Updated：2021/01/16 15:43

  • (HPLC) Abnormal pressure value of Solvent Delivery Module

    Zero adjustment of pressure sensor. 1. Set to [ZERO ADJUST] in the [CONTROL] group. * For LC-20A / 30A, [ZERO ADJ] 2. Open the drain valve to remove ... Show Detail

    • No：4768
    • Date of Issue：2021/01/13 14:16

  • (HPLC) Replace of Mixer 0.5-2.6mL, 100uL line filter

    If the back pressure is more than 1MPa when the flowrate is 1mL/min and the mixer outlet is clogged. Remove the male nut and loosen the screw to replace th... Show Detail

    • No：4537
    • Date of Issue：2020/12/11 16:25

  • Replacement of Plunger Seal (HPLC)

    Plunger seal parts number: Standard: 228-52711-93 Plunger seal UHP(with back up ring) Option: 228-52711-94 Plunger seal, back upring, GFP *The m... Show Detail

    • No：4413
    • Date of Issue：2020/12/04 16:01
    • Last Updated：2021/07/12 15:58
    • Brached FAQ

  • Maintenance for LC-40 (Pump) series (Video)

    Consumable Part No. 228-57501-92 Line Filter (LC-40D X3/XS, 40B X3) 228-35871-96 Line Filter (LC-40D/XR, 40B XR) 228-70796-42 Line Filter (LC-40D ... Show Detail

    • No：4340
    • Date of Issue：2020/12/03 13:55
    • Brached FAQ

  • Sawtooth-shaped noise occurs

    Check whether the noise disappears when solvent delivery stops. Check the solvent delivery flow status (pulsation). If pulsation is large, rinse the flow ch... Show Detail

    • No：4300
    • Date of Issue：2020/12/03 11:06
    • Brached FAQ

  • Cyclic spiky noise is output

    Check whether the noise disappears when solvent delivery stops. Check the solvent delivery flow status (pulsation). If pulsation is large, rinse the flow ch... Show Detail

    • No：4299
    • Date of Issue：2020/12/03 11:05
    • Brached FAQ

  • The baseline undulates with the pump stroke

    Click [PURGE] to purge the bubbles. Alternatively, connect a syringe to the drain tube connection port to suction out the bubbles. Click here for Manual P... Show Detail

    • No：4296
    • Date of Issue：2020/12/03 11:00
    • Brached FAQ

  • The baseline drifts

    Inspect the suction filter for blockage. Also rinse them as described below. 1) Flush with 17 % aqueous phosphate solution for about 30 minutes at a flowr... Show Detail

    • No：4294
    • Date of Issue：2020/12/03 10:57
    • Brached FAQ

  • Ghost peaking occurs

    Inspect the suction filter for blockage.Also rinse them as described below. 1) Flush with 17 % aqueous phosphate solution for about 30 minutes at a flowra... Show Detail

    • No：4293
    • Date of Issue：2020/12/03 10:52
    • Brached FAQ

1-10 of Total 72

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