Environmental Board Hw Version Status Item Displays Bad Power - Christie D4K Series Troubleshooting Manual

Details
Graphic cards and/or drivers can malfunction when Twin DisplayPort Input cards are powered down.
Solution
In the D4K v1.1.0+ software, you can enable the Keep Electronics on in Standby option to ensure
the Twin DisplayPort Input cards remain on in standby mode. When this option is enabled, only
reset the video source when the projector is AC cycled.
Environmental Board HW Version status item
displays Bad Power
At startup, the Environmental Board HW Version status item displays Bad Power.
Details
The environmental board (EVB) is not receiving 12V power from the low voltage power supply
(LVPS). 12V from the LVPS to the EVB is transmitted using two harnesses (P/N: 001-112012-XX
and 001-112021-XX or 001-112022-XX). These harnesses must be securely connected to the EVB.
For more information, see
Interconnect Drawing (P/N:
Solution
Verify both the 001-112012-XX and 001-112021-XX (or 001-112022-XX) harnesses are securely
connected to the following:
• LVPS
• Each other
• EVB
D4K and Mirage 4K Troubleshooting Technical Reference
020-101452-03 Rev. 1 (10-2014)
D4K2560 Interconnect Drawing (P/N: 020-101088-XX)
020-101087-XX).
D4K and Mirage 4K Troubleshooting
and D4K3560
8