Table
LED color | Description | ||
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Red | ● | Formatter error or failure | |
|
| ◦ | Serial peripheral interface (SPI) flash memory boot error |
|
| ◦ | Power on self test (formatter) failed |
|
| ◦ | Diagnostic (formatter) failed |
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Off | TIP: |
| The connectivity LED is off if the power cord is unplugged, the product power switch is in |
| the off position, or the product is in Sleep mode. | ||
| ● | Firmware or system freeze | |
|
| ◦ | Check the control panel for an error message |
|
| ◦ | Control panel failure |
| NOTE: This condition is not usually caused by a formatter failure. | ||
| Turn the power off, and then on again. | ||
| If the error persists, perform a firmware upgrade. | ||
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The connectivity LED provides information about product operation. If a product error occurs, the formatter displays a message on the
NOTE: HP recommends fully troubleshooting the formatter and control panel before replacing either component. Use the connectivity LED to troubleshoot formatter and control panel errors to avoid unnecessarily replacing these components.
Formatter to control panel communication interruptions
●The firmware does not fully initialize and configure the control panel interface.
●The control panel is not functioning (either a failed component or power problem).
●Interface cabling between the formatter and control panel is damaged or disconnected.
TIP: If the connectivity LED is 
fully seated and the power is on. The pins for the LED circuit in the formatter connector are recessed so that this LED will not illuminate unless the formatter is fully seated.
The connectivity LED operates according to the product state. When the product is initializing, see Connectivity LED, product initialization on page 250. When the product is in Ready mode, see Connectivity LED, product operating on page 252.
Connectivity LED, product initializationThe following table describes the connectivity operation while the product is executing the firmware boot process.
250 Chapter 3 Solve problems | ENWW |