SIGLENT
SDS1000CML/CNL/DL Service Manual 49
Quick Guide for General Hardware Failures
The general hardware failures are listed in the table below. Reading the
following information can help you quickly handle some easy hardware failures
with more convenience.
Table 6-3 Troubleshooting general failures
General hardware failures Method to deal with
No start-up after pressing the ON/OFF button
Check if the power cord is
correctly connected, if the
ON/OFF button is faulted
and if the fuse is burned-out.
No displaying after power on Check if the backlight
inverter cable is correctly
connected
No response after pressing any button in
condition that the other parts work normally
Check if the keypad cable is
correctly connected to the
main board
Every time the oscilloscope is turned on, the
Time displays at the lower right corner restores
to its initial value.
Check and replace the
button battery on the main
board.
There is No 1KHz square waveform outputting
after performing appropriate compensation to
the probe connected to the
SDS1000CML/CNL/DL oscilloscope.
Upgrade current software
release, or replace a new
main board.