This section will describe how to diagnose and solve operational problems of a Panelview 1000E, 1200E, or 1400E terminal. To solve PanelBuilder software problems, refer to the appropriate Allen-Bradley manuals.

If the screen on your PanelView 1000 terminal has become darkened, either the screen saver has been switched on or the backlight has been switched off. If you note uneven intensity, the backlight may need to be replaced. The backlight should be checked for replacement every 10,000 hours of operation. For the procedure of replacement, see the Installation Data Sheet that is included in the Backlight Replacement Kit (A-B Catalog Number 6189-NL2). To prolong the life of the backlight, use the screensaver and turn down the backlight intensity. After changing the backlight, reset the hours for the backlight time. You can also check the amount of hours taht the terminal has been in iperation by selecting Terminal Diagnostics from the Terminal Configuration screen. Then select the Hours Logged tab.

Verifying Configuration Settings

To view the terminal network settings, press the Terminal Network Setup button on the Terminal Configuration screen. The settings displayed for RIO, DH+, and ControlNet are those of the current application.

Major Fault Messages

The following table lists the most common major fault messages that can occur on a PanelView terminal.

Major Fault Message	Cause	What To Do
Application file corrupted	The application file has been corrupted (checksum failure) or invalid data was read from it.	Re-download the file.
Application file is not compatible	The application file requires a later version of firmware.	Install the correct version of firmware.
Application file not valid	The PanelView terminal cannot locate the current application file. it may have been deleted or was on a PCMCIA card that has been removed.	Check that the application file is still present.
Communication Subsystem Failure. See User Manual for more information.	A ControlNet application cannot locate the ControlNet communications adapter. Problem with communication drivers or hardware.	Check that the ControlNet communications adapter is installed correctly. Cycle power, switch modes, check that appropriate communication hardware is installed. Check communication card for proper switch settings.
Error erasing memory card.	The memory card could be malfunctioning.	Try reformatting the memory card using the Format Destination button in the Memory Card Transfer Application screen. If this does not work, replace the memory card.
Error writing to memory card.	The memroy card could be faulty.	Reformat the memory card using the Format Destination button in the Memory Card Transfer Application screen. If this does not work, replace the memory card.
File Transfer failed. Application file corrupt.	File transfer failed.	Try downloading the file again.
Invalid file I/O	An error has occurred accessing the memory card. The card could be faulty.	Try reformatting the memroy card using the Format Destination button in the Memory Card Transfer Application screen. If this does not work, replace the card.
No current application file selected.	The terminal was switched to Run mode with no current applicationf ile selected.	Return to Configure mode and select a current application file.
No Post-release applications allowed.	The terminal is running pre-release firmware.	Upgrade the terminal to the official release.
No Pre-release applications allowed.	Attempting to run an application file created with a pre-release version of software.	Upgrade your PanelBuilder softwer to an official release and regenerate the .pvd file.
Not enough graphics memory to display this screen.	The current screen contains too many objets (usually too many bitmaps).	Edit the screen to reduce the number of objects, or, if there are large bitmaps on the screen, break them into several smaller ones.
Not enough memory to display bitmap on the screen	The current screen contains a bitmap which is too large for the available memroy.	Edit the screen to remove the bitmap or use a smaller bitmap.
Not enough memory to display this window.	Terminal does not have enough memory to display the pop-up window (information window or alarm window).	Try rebooting your PanelView terminal. Contact your Allen-Bradley Sales Representative to report the error.
Not enough RAM installed to display this screen.	There are too many objects.	Edity your screen to reduce the number of objects. Redesign the screen, and break it into smaller screens if necessary).
Partition not on memory card boundaries. Press Format PCMCIA Card button to format the entire card.	Memory card was incorrectly partitioned.	Try reformatting your memory card using the Format designation button on the Memory Card Transfer Application screen. If this does not work, replace the memory card.
Stuck button detected.	A touch cell or kepad button has been pressed for a longer amount of time than the Stuck Button Timeout setting allows.	Restart your terminal. if this problem occurs repeatedly due to an operator holding the button down for too long, increase the Stuck button Timeout setting in the Configuration menu. If a button or cell is permanently stuck, call your Allen-Bradley Sales Representative.
Terminal can't keep up with activity.	Your terminal is overloaded with writes to the PLC. This is most likely to occur on a screen change.	Reduce the number of objects on the screen that write to the PLC or use a PLC-controlled screen change.
The terminal does not contain the necessary communication card to execute this application.	A ControlNet application cannot locate the ControlNet communications adapter.	Check to ensure that the ControlNet communications adapter is installed correctly. Check the communications card for proper switch settings. Check that you have the 1784-KTCS card in order to work with scheduled files.
There has been a communication failure. PLC write failed.	Too many objects on the screen are writing values to the PLC	Reduce the number of objects on the screen that write to the PLC or use a PLC-controlled screen change.
Watchdog test failed.	Watchdog circuit cannot reset the machine.	Contact your AllenBradley sales Representative.
Touch Controller hardware failure***	Touch controller failed	Contact your local Allen-Bradley Sales Representative if the touch screen is responding incorrectly.
Touch Controller not responding***	No response from the touch controller.	Contact your Allen-Bradley Sales representative.

***Allen-Bradley PanelView 1000E and 1400E Terminals Only.

Minor Fault Messages

Minor Fault Message	Cause	What To Do To Solve
Alarm message not sent to PLC - too many outstanding requests.	There are too many messages in the message queue to the PLC.	Reduce the rate at which alarms are generated, or check that the PLC is retrieving messages.
Battery test failed. User RAM will be lost on power down.	The batter for application file memory has failed.	When power is disconnected, retained values - including configuration parameters, retentive data, and alarm history - will be lost. Contact your Allen-Bradley Sales Representative - servicing is necessary to replace your battery.
Expression attempted to divide by zero	An operation in the program running on the terminal is dividing by zero.	Check that the expressings in your application are not dividing by zero.
Expression contains an invalid tag value.	An out-of-range or badly-formatted value at the PLC. This is most frequently the result of an invalid BCD value.	Check that the PLC program is sending valid values to the terminal.
Expression evaluated to an out-of-range value.	An operation in the program running on the terminal is assigning too large a value to the local variable type.	Check the expressions in your application, and change the local variable's type to one that will support the value.
Expression caused divide by zero.	Expressions have been created that use division, and the denominator is a tag. The fault message is displayed if the expression is displayed on the first screen when the application starts, or the expression is assigned to alarms or global PLC I/O controls.	Clear the fault message.
Invalid Application Startup screen.	Application file specifies a non-existent screen number as the Application Startup screen.	Reprogram the application file and assign a valid screen number as the Application Startup screen.
Invalid decimal point position.	The value at the PLC Controlled Decimal Point Position tag address is not valid.	Ensure that the value at the PLC Controlled Decimal Point Position is between 0 and 16.
Invalid Screen.	The PLC has selected a non-existent screen number.	Reprogram the PLC or the application file.
Memory card containing application file has been ejected. Current application file has been deselected.	The current application is on the PCMCIA card and the card is ejected.	Replace the card and re-select the application.
Memory card format failed. Please try again.	The memory card could be faulty.	Try reformatting the memory card using the Format PCMCIA Card button in the Memory Card Transfer application screen. If this does not work, replace your memory card.
PCMCIA card does not contain a valid firmware upgrade.	Invalid firmware on your card.	Contact your Allen-Bradley Sales Representative to get the current version of firmware for the terminal.
Time/Date received from PLC is invalid.	The value of one or more of the Time and Date from PLC tag address is not valid.	Check that the PLC program is sending valid values to the terminal.
The Goto Configure Mode button is disabled.	The feature is disabled in the Security Mode Switch screen.	Switch to Configure mode using the terminal's hardware keyswitch. On the Terminal Configuration screen, select Security. On the Security screen, select the Mode Switch tab. Use the Soft Mode Switch button to select Enable.
Screen printing not allowed with 7 data bits.	The firmware does not allow 7 data bits for screen printing.	On the terminal Configuration screen, select Printer Configuration. On the Printer Configuration screen, select the Setup tab. Press the Data Bits button or its corresponding function key to change the Data Bits setting to 8.

Mistake Messages

The following table lists the most common mistake conditions that can occur on a PanelView terminal.

Mistake Message	Cause	What To Do To Solve
Alarm History print ignored - a previous request is already queued.	You have requested a print-out of the alarm history while one is printing.	Wait for the alarm history print-out to complete before requesting another.
Alarm message print ignored - queue is full of previous requests.	The terminal is sending alarm messages to the printer faster than the printer can process them.	Decrease the rate at which alarms are generated. Use higher baud rate to printer.
Alarm Status print ignored - a previous request is already queued.	You have requested a print-out of the alarm status while one is printing.	Wait for the alarm status print out to complete before requesting another.
Control Byte location does not lie within the specified module group range.	The module group chosen in the Control Byte is outside of the rack definition.	Expand the rack definition to include the Control Byte module group, or change the Control Byte location to be within the specified module group range.
Current operation failed. Memory card is write-protected.	The PanelView terminal's memory card is write-protected.	Remove write-protection (move the tab) from the memory card.
Cursor Control Value corresponds to a skipped state value.	The value of the Cursor Control matches a skipped state in the cursor list.	Check that the state values for the cursor list are configured correctly and the PLC program is using the correct values.
Cursor Control Value does not correspond to a configured state value.	The value of the Cursor Control does not match any of the configured cursor list state values.	Check that the state values for the cursor list are configured correctly and the PLC program is using the correct values.
Ensure printer is ONLINE	The printer could be offline.	Check that the serial printer cable is properly connected, and the printer is online.
Increment/Decrement button limit has been reached.	Increment/Decrement buttons can't be incremented or decremented beyond their configured limits.	Check that the button limits have been correctly configured in PanelBuilder software.
Invalid PLC Type and Baud Rate combination.	The selected PLC type does not support the selected Pass-Through baud rate.	Ensure Baud Rate and PLC Type are compatible in the RIO Pass-Through transfer setup.
Invalid PLC Type and Rack Number combination.	The selected PlC type does not support the selected rack number.	Ensure the PLC Type and Rack Number are compatible for the RIO Pass-Through transfer setup.
Memory card has changed since file was loaded. Please replace original card.	The memory card containing the currently-selected application has been removed so that file data is not able to be read.	Replace original card or select a new applicaiton file from new card.
Mismatched aplication file.	The application file is for th ewrong type of terminal, for example, a keypad application is being selected on a touch screen PanelView terminal. (Note: Id rhw JP2 jumper has been set incorrectly, the application file will be executed in run mode).	Download an application file of the appropriate type.
No memory card in socket. Please replace and try again.	There is no memory card in the socket.	Insert a compatible memory card in the socket and try your action again.
No screen change - Hold Time in effect or no PLC handshake	1. You have requested a screen change while the hold time for a momentary push button is still in effect. 2. You have requested a screen change while a latched push button is still waiting for acknowledgement from the PLC.	1. Wait for the moemntary push button to release before changing screens OR shorten the hold time of the push button. 2. Check that the latched button acknowledge tag and PlC program have been programmed correctly.
Partition is incorrectly formatted. Please reformat.	The PCMCIA memory card's format is incompatible with the terminal.	Reformat the PCMCIA memory card using the Format PCMCIA Card button in the Memory Card Transfer Application Screen.
Partition full. Please reformat or use another partition.	The partition on the extended system memory or PCMCIA memory card is full.	1. Download or transfer your file to another partition. 2. Reformat the partition using the Format Destination button in the Memory Card Transfer Application window.
PLC currently controls screen change.	You have requested a screen change while the PLC has control.	To use manual screen changing, set the PLC Controlled Screen Number value to 0.
PLC currently controls scrolling list.	The scrolling list cannot be manually scrolled while the PLC has control.	To use manual scrolling, set the Enable PLC Controlled List value to 0.
PLC did not acknowledge Enter Bit.	The PLC didn't acknowledge the Enter Control tag within the configured handshake timout.	Check to make sure that the enter key handshake timout and PLC program have been configured correctly.
Requested screen is already displayed.	You have requested a change to a screen that is currently displayed.	Check that the screen selector is configured for a different screen.
Screen does not exist - Retry	You have requested a change to a screen that does not exist.	Check that the screen selector object is configured for a valid screen.
Screen print ignored - a previous request is already queued.	You have requested a screen print while one is already printing.	Wait for the screen print to complete before requesting another print.
The acknowledge for this alarm is outside the defined address.	The trigger value for the acknowledged alarm is not within the valid range for the configured PLC address.	Check that the alarm's trigger value and Acknowledge Alarm to PLC tag address have been configured correctly.
Unknown memory card type. Please replace.	You are using a memory card type that is not recognized by the terminal.	Replace witha compatible memory card.
Value out of range.	A screen object has attempted to write a value to the PLC that is not within the valid range for the configured PLC address.	Ensure that the object's state values and PLC address have been properly configured.

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2711E-T14C7

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