Roche Diagnostics April 2007
B-66 Service manual · Version 2.0
10 Service functions 91xx pH/Electrolyte Analyzers
Service functions
Example display
TEST SAMPLE DOOR (except 9181)
This test verifies the operation of the sample door light gate and its associated
circuitry. The display indicates an “O” or “C” depending on the position of the door.
Example display
TEST PROBE (9181 only)
This test verifies the operation of the sample probe motor, position sensor and
associated circuitry. The "U" represents the output of the upper position sensor, the
"L" represents the output of the lower position sensor.
Example display
TEST AUTOSAMPLER (9181 only)
This test verifies the operation of the Autosampler turntable assembly. The display
indicates the output of both the position and home sensors.
Example display
TEST PUMP
This test turns on the peristaltic pump at each of the four pump speeds. The display
indicates for two seconds each pump speed while each pump speed is being tested.
Observe that the peristaltic pump changes speed as is indicated on the display.
LanguageSwitch
English
Figure B-46 Example 9180 language label
Polski
Português
Spare 3
Spare 4
English
Deutsch
Français
Español
Italiano
ᣣᧄ⺆
SampleDoor:C
C:Closed/O:Open
U=0 L=1
Sample Position?
Note
If the Autosampler is not plugged in or the TABLE PRESENT bit is not activated, this test will not
appear under the [SERVICE FUNCTIONS] menu.
Home=0
Pos=1