Mindray A7 Operating Instructions

A7™ Operating Instructions 046-004667-00 6 - 19
Alarms and Messages Alarm and Prompt Messages
PEEP Valve
Failure / PEEP
Valve: Fail
1. PEEP valve voltage
error.
2. PEEP valve pressure
error.
Medium Startup Only
Manual
Ventilator
Control
Board
Insp Valve
Failure / Insp
Valve: Fail
1. Inspiratory valve
voltage error.
2. Inspiratory valve flow
error.
Medium Startup Only
Manual
Ventilator
Control
Board
Safety Valve
Failure / Safety
Valve: Fail
PEEP safety valve
voltage error.
Medium Startup Only
Manual
Ventilator
Control
Board
Flow Sensor
Failure / Flow
Sensor: Fail
Ventilator flow is out of
range.
Low Startup Only
Manual
Ventilator
Control
Board
Calibrate Flow
Sensor and Insp
Valve
1. Calibration table isn't
found in EEPROM.
2. Checksum of
Calibration table does
not match.
Low Startup Only
Manual
Ventilator
Control
Board
Calibrate
Pressure Sensor
and PEEP Valve
1. Calibration table isn't
found in EEPROM.
2. Checksum of
Calibration table does
not match.
Low Startup Only
Manual
Ventilator
Control
Board
Ventilator
Initialization
Error /
Ventilator
Initialization:
Fail
After powering on, CPU
board cannot send the
parameter settings to
the ventilator board.
High Startup Non-
Functional
CPU Board
Ventilator
Initialization:
Time out
Self-test result cannot
be obtained due to an
internal
communication error.
High Startup Non-
Functional
CPU Board
Drive Gas
Pressure Low
Drive Gas Pressure is
low
High Startup All Ventilator
Control
Board
O
2
Supply
Failure / O
2
Supply: Fail
O
2
Supply Failure High Startup All Ventilator
Control
Board
Power Supply
Voltage Error /
Power Supply
Voltage: Fail
3.3 V, 5 V, 12 V voltage
error
High Startup Only
Manual
Power
Board
RT Clock Needs
Battery
There is no button
battery cell available in
the system, or the
button battery cell
power is depleted.
High Startup only All CPU Board
RT Clock Failure
/ RT Clock: Fail
RT chip malfunction High Startup only All CPU Board
MESSAGE CAUSE
ALARM
PRIORITY
MACHINE
MODE
WHEN
CHECKED
STARTUP
RESULT IF
FAIL REMARK
TABLE 6-4 Startup Alarm Messages

Mindray A7 Specifications

General

Type	Anesthesia Workstation
Brand	Mindray
Model	A7
Display	15-inch color touchscreen
Oxygen Flush	Yes
Gas Inlets	O2, N2O, Air
Ventilation Modes	SIMV, PSV
Breathing System	Integrated
Gas Monitoring	O2, CO2, N2O
Monitoring Parameters	FiO2
CO2 Monitoring	Mainstream or Sidestream
Power Supply	100-240 V, 50/60 Hz