Mindray A9 Operating Instructions

O
2
Sensor Calibration Maintenance
9 - 6 Operator’s Manual of Anesthesia System
9.4.3 O
2
Sensor Calibration Error Codes
ERROR CODE DESCRIPTION RECOMMENDED COUNTERMEASURES
1 21% calibration value is
smaller than 249
1. Check that the O
2
sensor is connected to the cable
correctly.
2. Check that the O
2
sensor is in 21 % O
2
.
3. Check that the O
2
sensor output voltage in the
calibration menu is steady.
4. Replace the O
2
sensor.
2 21% calibration value is
greater than 523
1. Check that the O
2
sensor is connected to the cable
correctly.
2. Check that the O
2
sensor is in 21 % O
2
.
3. Check that the O
2
sensor output voltage in the
calibration menu is steady.
4. Replace the O
2
sensor.
3 100% calibration value is
smaller than 1301
1. Check that the O
2
sensor is connected to the cable
correctly.
2. Check the O
2
supply pressure.
3. Check that the O
2
sensor output voltage in the
calibration menu is steady.
4. Replace the O
2
sensor.
4 100% calibration value is
greater than 2378
1. Check that the O
2
sensor is connected to the cable
correctly.
2. Check the O
2
supply pressure.
3. Check that the O
2
sensor output voltage in the
calibration menu is steady.
4. Replace the O
2
sensor.
5 Difference between 21%
calibration value and
100% calibration value
exceeds the threshold
Replace the O
2
sensor.
6 Error in correcting 100%
calibration value using
21% calibration value
1. Replace the O
2
sensor.
2. Perform the calibration again.
3. Replace the CPU board.
7 System in BFCS status Set the system to the EFCS status.
33 O
2
supply pressure low 1. Replace or connect the gas supply.
2. If the gas supply functions normally, check the gas
supply pressure switch.
35 Air supply pressure low 1. Replace or connect the gas supply.
2. If the gas supply functions normally, check the gas
supply pressure switch.
37 O
2
Sensor Disconnected 1. Check for any [O
2
Sensor Disconnected] alarm on the
screen. If you see the alarm, check whether the O
2
sensor
cable is connected correctly.
2. Check that the O
2
sensor output voltage in the
calibration menu is steady.
3. Replace the O
2
sensor.
38 O
2
sensor failure 1. Check for any [Replace O
2
Sensor] alarm on the
screen. If you see the alarm, check whether the O
2
sensor
cable is connected correctly.
2. Check that the O
2
sensor output voltage in the
calibration menu is steady.
3. Replace the O
2
sensor.
Table 9-2 O
2
sensor calibration error codes

Mindray A9 Specifications

General

Brand	Mindray
Model	A9
Category	Medical Equipment
Language	English