Mindray Rosebud Accutorr V, User Manual

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Troubleshooting Guide Troubleshooting
3 - 4 0070-10-0702 Accutorr V Service Manual
3.5 Troubleshooting Guide
3.5.1 Power On/Off Failures
3.5.2 Display Failure
3.5.3 LED Digital Display and Indication Lamp Failure
SYMPTOMS POSSIBLE CAUSE CORRECTIVE ACTIONS
The monitor fails to
start. AC LED or
battery LED does not
light AC mains not connected or
battery too low Confirm that the AC mains is properly connected and that
the battery capacity is sufficient.
Power supply protection Refer to Power Supply Failures.
Cables defective or poorly
connected • Confirm that the cables from the power switch and the
LED board to the keyboard, keyboard to the main
board, and the power module to the main board are
correctly connected.
• Confirm that the cables and connectors are not
damaged.
Power switch and LED board
defective Replace the power switch and LED board.
Power module defective Replace the power module.
Main board Defective Replace the main board.
SYMPTOMS POSSIBLE CAUSE CORRECTIVE ACTIONS
The display is black or
blank, but the monitor
still works correctly. Cables defective or poorly
connected • Confirm that the cables from the display to the main
board are correctly connected.
• Confirm that the cables and connectors are not
damaged.
Backlight defective Replace the LCD.
LCD defective Replace the LCD.
Images overlapped or
distorted FPGA error Update or upgrade FPGA.
Cables defective or poorly
connected • Confirm that the cable from the display to the main
board is correctly connected.
• Confirm that the cables and connectors are not
damaged.
SYMPTOMS POSSIBLE CAUSE CORRECTIVE ACTIONS
LED digital display or
indication lamp
display abnormally. Signal wires damaged • Confirm that the LED signal wires are correctly
connected.
• Confirm that the cables and connectors are not
damaged.
LED digital display or
indication lamp damaged Replace the LED digital display or indication lamp.