CMS200 Product Manual, Issue 6
www.nexo.com Page 29
3.6.3 The analogue input test
The analogue input test (AnA) checks the connection between sensors and the controller are sound.
Performing this test before starting work on the cooler can diagnose any loose connections or sensor
probe faults.
Step Action Display
1 Press Defrost to return to the test menu
2
From the test menu:
Press the Down button to scroll to the analogue input
test menu.
3 The display shows:
4
Press the Set button to enter the analogue input test
menu.
Then follow the routine:
Action Button Display Test Check
Appliance sensor input
Press
Appliance sensor
temperature
Displayed temperature is as
expected
Press
Press Defrost to return to the analogue input test menu
Press
Door switch
Press
Door is open (dO) or closed (CLO)
Opening and closing the door should make the display
alternate between the two messages.
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