Diagnostics and Troubleshooting

Error: A string variable can only be assigned a quoted text string

The Variable is string. It only accepts types consisting of text strings.

Error: Can only compare(>,<,etc) numeric results

This message occurs in conditional Expressions (i.e. If then). Variables are type identified, so equation and assignments (x = 9) can be verified. In an expression only numerical values can be compared for greater than and less than conditions.

Error: Couldn't find named Variable

Could not find the variable.

Error: Couldn't find named Variable from Text

Could not find the variable defined by program text.

Error: Destination Event variables can only be assigned an Event or Boolean

The Variable is an Input event. It only accepts types consisting of Boolean, and events.

Error: Program Instance does not Exist

You attempted the “Call Program.#”, but the program does not exist.

Error: Single value expressions can only be Boolean constants, Events or Boolean variables

This message occurs in conditional Expressions (i.e. If then). Variables are type identified, so equation and assignments .(x = 9) can be verified. In an expression you can use single variables without a comparison, but , then they must be a Boolean constants, Events or Boolean variable.

Error: String does not represent a predefined name..

The string needs to match one of the defined strings on record in the FM3 Registry data base.

Error: String is not a selection.

The string matches one of the defined strings, but that string is not a selection.

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Emerson FM-3 manual Error Can only compare,,etc numeric results, Error Couldnt find named Variable