User Guide

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 assembly or power problem).
●
Interface cabling between the formatter and control panel is damaged or disconnected.
The heartbeat LED operates according to the product state. When the product is initializing, see
Heartbeat LED, product initialization on page 99. When the product is in Ready mode, see
Heartbeat LED, product operating on page 101.
Heartbeat LED, product initialization
The following table describes the heartbeat LED operation while the product is executing the firmware
boot process.
NOTE: When the initialization process completes the heartbeat LED should be illuminated solid green
—the LED is off if the product is in Sleep Mode.
If after initialization the heartbeat LED is not solid green, see
Heartbeat LED, product operating
on page 101.
Table 2-8 Heartbeat LED, product initialization
Product initializing
state
Heartbeat LED, normal state Heartbeat LED, error state
No power (power cable
disconnected or power
switch off)
Off Not applicable
Power on (immediately
after the power switch
pressed)
Red, solid
●
Duration should be 1 second or less
Red, solid
●
Firmware error; problem finding hardware
and booting the serial peripheral interface
flash memory
◦
Boot process halted
Replace the formatter.
Serial peripheral
interface (SPI) flash
memory boot
Green, solid Red, solid
●
Firmware error; problem corrupt or missing
SPI flash memory
◦
Boot process halted
Replace the formatter.
HW checks on board
DRAM
Green, solid Red, solid
●
Power on self check failure
◦
Boot process halted
Replace the formatter.
ENWW
Tools for troubleshooting
99