Table 2-9 Heartbeat LED, product initialization (continued)
Product initializing state Heartbeat LED, normal state Heartbeat LED, error state
Firmware boot Green, solid
NOTE: If applicable, error messages appear on
the control-panel display.
Yellow, fast ash
●
Control panel not connected
Product operational Green, heartbeat blink
NOTE: If applicable, error messages appear on
the control-panel display.
Yellow, fast ash
●
Control panel not connected
49.XX.YY error or
initialization freezes
Not applicable LED o
NOTE: An error message (for example, 49.XX.YY)
might appear on the control-panel display.
Eventually a formatter connection missing message
will appear.
Turn the power o, and then on again to restart the
initialization process.
If the error persists, perform a rmware upgrade.
Control panel connection
interrupted after the
product is operational
Not applicable Yellow, fast ash
●
Control panel not connected
Flat exible cable (FFC)
between the formatter
and DC controller is not
connected or damaged
Not applicable Yellow, solid
●
Formatter to DC controller connection failed
Check the cable between the formatter and DC
controller for damage. Make sure that the cable is
fully seated.
Sleep Mode Green, slow blink Not applicable
Approaching Sleep Mode Green, slow blink Not applicable
Wake up from Sleep Mode Follows initialization progression Follows initialization progression
Approaching wake up
from Sleep Mode
Follows initialization progression Follows initialization progression
The following table describes the heartbeat LED operation when the product completes the rmware boot
process and is in the Ready state.
Table
2-10 Heartbeat LED, product operational
LED color Description
Green
●
Normal operation
◦
Formatter is operating normally
◦
Firmware is operating normally
◦
Control panel is connected
Yellow
●
Formatter cannot connect to the control panel
142 Chapter 2 Solve problems ENWW
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