Mindray A7 Service Manual

A7™ Service Manual 046-006272-00 5 - 71
Repair and Troubleshooting Sensors and Valves Problems
5.4 Sensors and Valves Problems
To use Diagnostic Tests to troubleshoot the sensors or valves related failures, you must be familiar
with the one-to-one correspondence between the menu options on the Diagnostic Tests screen and
the actual pneumatic circuit and hardware components.
5.4.1 Correspondence with Pneumatic Circuit Components
The following figure shows the one-to-one correspondence between the sensors & valves on the
valves-test tool screen and the actual components in the pneumatic circuit diagram.
FIGURE 5-65
5.4.2 Correspondence with Hardware Components
The following figure shows how the sampling lines of the sensors are actually connected on the
ventilator control board.

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