Mindray Datascope AS 3000, Service Manual

Page: 89 / 180

Tr
oubleshooti
ng Char
t
Repair
Inf
or
m
ation
3 - 10
0070-10-0683
AS3000™ Ser
vic
e M
a
nu
al
High FiO
2
Runtime 1 Oxygen concentration is higher than the
upper limit set for the Oxygen Concentration
alarm.
2 Oxygen calibration is inaccurate.
1 Adjust the upper limit set for the Oxygen
Concentration alarm or the actual oxygen
concentration.
2 Calibrate the oxygen concentration sensor
again.
APNEA Runtime 1 Breathing hoses are disconnected. 1 Check the breathing hoses.
Low Battery Runtime 1 Battery capacity is low. 1 Connect the unit to AC power.
High Minute Volume Runtime 1 Minute ventilation is higher than the upper
limit set for the Oxygen Concentration
alarm. 1 Adjust the upper limit set for the Minute
Ventilation alarm.
Low Minute Volume Runtime 1 Minute ventilation is lower than the lower
limit set for the Minute Volume alarm. 1 Adjust the lower limit set for the Minute Volume
alarm.
APNEA Backup Runtime 1 PS mode is not triggered and APNEA
backup ventilation is given according to the
minimum breathing frequency that has been
set. 1 No action needed.
High PEEP Runtime 1 The expiration time is too short or expiration
limb is occluded
2 The expiration valve (PEEP) is defective.
1 Check the time setting and expiration pipeline.
2 Check the expiration valve (PEEP).
Keyboard communication
Failure Startup Test
Runtime 1 The signal wire is disconnected or
damaged.
2 The keyboard board program crashed.
1 Check the signal wire.
2 Power on again.
AC Power Failure All 1 AC power is not connected or a fuse is
tripped. 1 Connect AC and check the fuses.
O
2
Cal Due Startup Test
Runtime 1 The oxygen sensor has not been calibrated
for more than 3 days. 1 Calibrate the oxygen sensor.
Tidal volume displayed by
the
AS3000 is smaller than
the value displayed on
bellow.
Runtime 1 This caused by the compliance and
compensation of resisting force between the
airway and patient. 1 No action needed.
Bellows is deflated and at the
bottom of its travel during
runtime, after initial power-up
and Leak Test. Runtime 1 This is caused by a disconnected breathing
circuit, a removed absorber canister, a
removed O
2
sensor or sensor adapter,
check valve dome rings, or no fresh gas
flow while ventilator is running.
1 Install a breathing circuit and connect the Y-
piece to the Test port. Select CMV mode and
confirm the selection. Immediately push the O
2
Flush button until the bellows is completely
filled. Return to STANDBY mode and remove Y-
piece from Test port.
MESSAGE/ISSUE OCCURRENCE CAUSE SOLUTION