Your RF5xx Transmitter displays message ‘ErrOr 200’ on the LCD screen, similar to that shown here. This code is only seen on RF5xx Transmitters with Firmware Version 2.4.2 or lower.
This ‘ErrOr 200’ indicates an EEPROM Area 1 checksum failure.
Unfortunately this is not a user repairable fault. The Transmitter(s) in question will need to be returned to our Service Department for repair.
Please click here for a copy of the Service Form which you will need to complete and include with any Transmitter(s) that you wish to return to the Service Department of Comark Instruments.