3-20 
 
 
 
 
3.11 Power Failure Test 
1.  Connect the anesthesia machine to the AC power source. Both AC power LED and 
battery LED should come on. If the AC power LED is not lit, check the fuse and power 
board. 
 
 
2.  Set the system switch to the 
 position. 
3.  Unplug the power cord with the system turned on. The message [Battery in Use] is 
displayed. Meanwhile, the AC power LED is extinguished and the battery LED is 
flashing. 
4.  Reconnect the AC power. The prompt message disappears. The AC power LED is 
illuminated. The battery LED stops flashing and stays ON. 
Nylon pad 
Connector of the disposal 
system 
Pressing plate 
Receiving hose 
O-ring 
Receiving hose 
Pressing plate 
Connector of the
 receiving system
Battery LED 
AC power LED Operating state LED