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8400M no receive and TX lock out issue

Erik Carling EI4KF
Erik Carling EI4KF Member ✭✭✭✭
in FLEX-8000 Signature Series

I do have a Help Desk ticket in however, with the wealth of experience on here, I'd like to ask if anyone has seen this problem and/or has any solution. Most likely I will have to send the radio for repair but just in case.

Switched 8400M on, booted normally. Launched SmartSDR, noticed nothing being received in terms of signals - there was sound in the speaker and deflection to S3 on the S-Meter but no signals heard or on panorama even on a busy band. Checked antenna input and antenna. This on ANT 1 with Ultrabeam yagi. Checked ANT 2 connected to various verticals via switch and no receive there either. I pressed TUNE to check SWR and got ‘Interlock is preventing transmission’ error.

I made factory reset of radio, no improvement. Took radio off network so it was completely stand-alone, same problems.

All bands / modes. Interlock with any type of input including tune, CW, digital even with the radio stand alone off network. I even tried downgrading to 4.1.5 in radio and SSDR but same problems. RX and TX appear to be locked out somehow.

Any suggestions please?

Answers

  • PY4ME
    PY4ME Member ✭
    I'm having the same problem with my new 8400, how did you solve it?
  • Erik Carling EI4KF
    Erik Carling EI4KF Member ✭✭✭✭

    You can only go by what the Help Desk advise in your case and take no notice of anyone else. I my case, Ken Wells did his best to bring my 8400M back to life, tried the CPU reflash procedure, but still no RX and interlock on TX. So it has gone back to the retailer for warranty repair.

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