Synrad FH FLYER, Operator'S Manual

Page: 215 / 250

maintenance/
troubleshooting
SYNRAD FH Series Flyer Operator’s Manual Version 3.4
213
Troubleshooting
USB LED
The USB LED indicates the operational states described in Table 7 -4.
Table 7 -4 USB LED indications
USB LED State USB Status
Off No power applied to Flyer or USB cable disconnected
Green – Solid Flyer powered up and connected to active computer
Red – Solid Flyer communicating with WinMark Pro
Ethernet LEDs
Ethernet LEDs (located in the lower corners of the RJ45 Ethernet connector) indicate the following
Ether-net status (see Table 7 -5).
Table 7 -5 Ethernet LED indications
Ethernet LED State Ethernet Status
Yellow – Off No Ethernet activity or Ethernet cable disconnected
Yellow – Blinking Ethernet activity; physical network connection OK
Green – Off Flyer not connected to WinMark Pro session
Green – On Flyer connected to an active WinMark Pro session
FH Series Flyer marking head
Symptom:

The DC Power cable is connected, but the Pwr indicator is not illuminated.
Possible Causes:

DC voltage is not available from the DC power supply.
Ensure that the proper DC voltage (+30 VDC ±2.0 V @ 4 A) is available under full-load conditions.
Symptom:

The Flyer head exhibits a high-frequency hiss after boot-up when the Status LED turns solid green.
Possible Causes:

This is normal operation for Flyer.