Mindray DC-70 Exp User Manual

Troubleshooting of Regular Malfunctions 13-5
13.3.3 Image Troubleshooting
No.
Fault
Description
Cause Analysis Solution
1
No echo in
ultrasound
image. The
probe can
recognize but
provides no
echo.
PHV voltage output of power module is 0
V or abnormal;
Errors on TR64 board, DC-DC board or
probe board;
The possibility of error on
TR64 board is higher than
DC-DC board’s. The
possibility of error on the
probe board is lower.
Confirm the error by
replacing TR64 board,
DC-DC board or probe
board.
2 Dark strips
appear on B
image
Probe malfunction, e.g., array corruption,
etc.
Replace the probe to eliminate the error.
Replace the probe;
Observe the image. The dark strips are
fixed for different probes and sockets.
Replace TR64 board;
If the strip is not fixed well for a single
probe, the probe board may go wrong.
Replace probe assembly
3
Noise appears
in B image
Probe malfunction. Replace with different
probes to check the error.
Replace the probe;
Other electrical equipment in the voltage
is working, so that the probe may be
influenced by common-mode interference
on the floor;
Ripple-shaped interference signal
appears on the image
Confirm the cause of the
failure by turning off
electrical equipment of all
peripherals connected to the
system.
13.4 Probe Socket System Malfunction
13.4.1 Related Modules or Boards
No. Description Remarks
1 Probe board assembly /
2 4D&TEE board /
13.4.2 Key Points Supporting Troubleshooting
No.
Key Points Supporting Troubleshooting
Remarks
1 Probe recognition of probes when connecting on the /

Mindray DC-70 Exp Specifications

General

Brand	Mindray
Model	DC-70 Exp
Category	Medical Equipment
Language	English