HMC
Product Manual
175
Release 3.4: May 2010
Troubleshooting
Table 13: Cellular
Display
Problem
Solution
No sync. with net-
work (Green LED is
off)
Antenna is not
located properly
Position the antenna in a place
with better reception.
No sync. with net-
work (Green LED
blinks)
No SIM card
Put a working SIM card in the
appropriate channel
Error LED (Red) is
blinking
Ready LED (Yel-
low) does not light
Card is either not
inserted correctly, or
faulty
Reinsert the card and restart the
system. If problem continues
replace the card.
Table 14: MG Card
Display
Problem
Solution
•
LINK LED
(Green) does
not light
•
Error LED
(Red) is blink-
ing (50% duty
cycle, not twin-
kling)
•
Ready LED
(Yellow) does
not light
No LAN Connection
Card is faulty
Card is either not
inserted correctly, or
faulty
Check connections to the Router.
Reinsert the card and restart the
system. If problem continues
replace the card.
Содержание HG-4000 3U
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