three jvc cameras all with similar problem

Hello Stacy I have four jvc cameras. They are all built around the same model GRDX 107EK....THE FIRST Says EO1 UNIT IN SAFEGUARD, REMOVE AND reatach the battery, this does not work, the tape will not release. I Believe this has a mechanical fault. A similar one which just says please wait condensation operation paused. The other which has the bigger screen says E06 UNIT IN SAFEGUARD MODE REMOVE AND REATTACH THE BATTERY. The last is just starting to play up, and works when it feels like it. Do you have any sujjestions Thanks GEOFF.

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