Belden Grass valley T2 4K Series, Руководство по обслуживанию

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T2 4K Series Service Manual September 1, 2019
Chapter 3 Troubleshooting Problems
Only T2 4K Elite
Front panel problems
WARNING: Be sure to turn off the system and unplug the power cord prior to checking
the cabling and connections inside the T2, or removing/replacing any parts of the T2.
Otherwise, electric shock or product failure may result.
LCD touch screen and operation buttons problems
Problem Possible Causes Corrective Actions
AC IN (power failure detection
indicator) blinks in red. The power cord is faulty. Both of the power supply units are running. The
T2 4K Elite can operate with just one power cord
connected. Connect one power cord at a time and
test with a replacement cord.
The power source is faulty. Make sure your power source is reliable.
The main power switch has been
turned off. Turn on the main power switches on both power
supply units.
Front PSU indicator blinks in
red. The power supply unit is faulty. Check if AC IN (power failure detection
indicator) lights in green. If it lights in green,
replace the power supply unit. Refer to
"Removing the power supply unit" on page 96 .
Front FAN indicator blinks in
red. The fan of the power supply unit is
faulty. Replace the power supply unit. Refer to
"Removing the power supply unit" on page 96 .
Problem Possible Causes Corrective Actions
Nothing is displayed on the
LCD touch screen. • The power cable to the button
kit is disconnected or broken.
1. Inspect power cable and connection to the
button kit and front USB group unit. Try
another power socket of the front USB group
unit.
2. If the problem persists, replace the LCD touch
screen. Refer to "Removing the LCD touch
screen" on page 81 .
• The LCD touch screen is
broken.
!