Appendix G

ChartScan Error Messages

At initial power-up, ChartScan performs automatic self-tests to ensure it is fully functional. Rear-panel LEDs indicate errors, if they occur. Possible error conditions and their corresponding indicator light patterns are shown in the following table. Any pattern not shown indicates an internal error that is not field-serviceable; in this case, contact the factory.

When only the POWER and ERROR LEDs are on, a configuration error exists as a result of the setup information in NV-RAM.

If you observe a configuration error, refer to E? in Appendix A; then perform an error status query. If you observe any other type of error condition, make note of the error and contact your service representative.

If no problems are found, ChartScan will begin its power-up initialization. This self-test is performed each time the unit is powered up, regardless of whether power-up is initiated by the power switch, or the Power-On Reset (*R)

command.

LED Indications of Error Conditions

Error Condition

 

 

LED Indicators

 

 

 

 

 

 

 

 

 

 

ALARM

TRIGGER

SCAN

 

ERROR

POWER

 

 

 

 

 

 

 

General Hardware Failure

ON

 

ON

 

-Flash-

ON

ROM Invalid for

 

 

 

 

-Flash-

ON

U22, COMM2

 

 

 

 

 

 

ROM Checksum Error for

 

 

ON

 

-Flash-

ON

U21, COMM1

 

 

 

 

 

 

ROM Checksum Error for

 

ON

 

 

-Flash-

ON

U22, COMM2

 

 

 

 

 

 

Non-Volatile RAM Error

ON

 

 

 

-Flash-

ON

Dynamic RAM Error

ON

ON

 

 

-Flash-

ON

Interprocessor COM Error

ON

ON

ON

 

-Flash-

ON

Configuration Error

 

 

 

 

ON

ON

Error Status Query (E?) is used to determine the present error condition. After execution of the E? command, ChartScan will respond with one of several possible error codes, as indicated below.

E000: No error has occurred.

E001: Invalid device dependent command (IDDC) due to a command syntax error.

E002: Invalid device dependent command option (IDDCO). A command parameter was out of range or missing.

E004: A Channel Configuration Error indicates that a channel has been inappropriately configured, either because the channel is not present or because the specified channel type is not compatible with the card type installed.

E008: A Calibration Error occurs when the card calibration has failed or has been inappropriately calibrated.

E016: A Trigger Overrun Error occurs when more than one trigger event occurs for a given trigger state or when a non-expectant trigger event occurs.

E032: An Open T/C Error or Range Error, occurs when the hardware circuitry detects an open thermocouple, or when the software detects the A/D input has reached or exceeded its linearization.

E064: Custom Table Error indicates that a Custom Table has been inappropriately defined or has not been loaded properly. This error usually occurs because Custom Table is out of memory or the inappropriate specification of the Set Table Entry Pointer (W) command.

E128: A Command Conflict Error indicates the issuance of a command that is in conflict with other commands that have been issued or the current configuration. This error usually occurs when a command is issued that cannot be performed because of the current state of the unit. For instance, if

ChartScan User’s Manual, 1-4-99

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Omega Vehicle Security 1400 manual Appendix G, LED Indications of Error Conditions LED Indicators

1400 specifications

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