I have a TKR-850-1 that was working fine but now powers up with an E2 error code channel data not written. Can read radio and all data is read and good. Tried rewriting data with negative results. Would like to try reloading firmware Does any one have a copy of the most updated firmware? Curren check sum C1C1
? Notice what Kenwood says below for each of the firmware in the two different generation radios. The CHECKSUM you list is not shown on either. Also look carefully at the S# range of your unit as you can see the SN listed below is the STARTING RANGE of radios listed & higher to fix the issues shown.
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E2 in v.2 radios trouble code indicates "Channel data is not written." Basically the radio is saying there's no channel data written in the memory or it is corrupt/not valid.
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Model and age makes a difference as to what checksum you end up with.
