Power Board Failures; Parameter Failures - EDAN M3 Service Manual

Can not be linked into
network

6.4 Power Board Failures

Failure
Fuse is burned upon power-on
Fuse is burned although all loads
are disconnected.
Fuse is burned after connecting a
part.
Power indicator
however, the fan does not run
and the indicator of keyset does
not light.
Power indicator does not light
on, however, the
normally and the indicator of
keyset lights on.

6.5 Parameter Failures

Failure
NIBP cuff can not be
inflated.
Blood pressure can not
be measured
occasionally.
Error of blood
pressure measurement
is too great.
No SpO waveform
2
M3 Vital Signs Monitor Service Manual
①
Network linking wire is
damaged.
② Network bed No. conflicts
③ Main control board failure
① Short-circuit occurs in
power supply or other part.
①
Power failure
①
This
short-circuit.
lights on,
① +12V DC power supply
has failure.
① +5V DC power supply
fan runs
has failure.
Possible cause
① Air way is folded or has
leakage
① Cuff becomes loose or
patient is moving.
①
Cuff size does not fit the
patient
②
NIBP module has bad
performance
①
Sensor or SpO
damaged
- 34 -
①
network linking wire or
HUB.
②
③ Replace Main control
board
Possible cause
part occurs
① Adjust or repair the air way
① Keep the patient quiet, bind the
cuff correctly and safely.
① Use the cuff with appropriate
size
② Replace NIBP module
① Replace the sensor and confirm
module is
2
the failure
Check and repair
Change bed No.
Solution
① Check after power on
① Replace power supply
① Replace this part
① Replace the power
① Replace the power
Solution