ems100
Product Manual, Issue 4
www.nexo.com
Page 25
3.7
Menu access
To enter the controller’s menus follow the routine below.
Step
Action
Display
1
Press the Set button
2
The display shows:
3
Enter the button sequence of the Main menu entry
password
4
Press the Set button three times (x 3)
5
Press the Down button once (x 1)
6
Press the Up button twice (x 2)
7
Press the Defrost button four times (x 4)
8
The display shows:
3.8
Test routines (tSt)
The test routine tests the following:
`
All load relays
`
Analogue inputs (temperature sensors and door switch)
`
Motion sensor
Should a problem be suspected with ems100 Nexo controller it is recommended that the test routine is
carried out before disconnecting or replacing the controller.
The test routine can detect any loose or disconnected cables and check that the controller is connected
properly to the lights, fan and compressor.
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