ems75sz(sub-zero)-Troubleshooting-Quick-Guide-Iss2
Elstat, Astra Business Centre, Roman Way, Preston, Lancashire, PR2 5AP, United Kingdon
Telephone: +44 (0) 161 22 77 200
www.elstatgroup.com
Half reset
To clear the self-learning matrix and to restart the learning:
1. Access the menu and press Down to scroll to Hr menu.
2. Press Set and enter the button sequence of the password:
Press Set four times (x4).
Press Down twice (x2).
Press Up once (x1).
Press Defrost twice (x2).
3. Check the ems controller reboots.
Test routine
To test the relays, temperature sensors, and motion sensor:
1. Access the menu and press Down to scroll to tst menu.
2. Press the menu button to display 888.
3. Press Set and Defrost at the same time to start the relay test rel.
Then:
Press Down to test the evaporator fan.
Press Up to test the lights.
Press Set to test the compressor.
Press Defrost to switch off the relays that are on.
4. Press Set and defrost at the same time to start the relay test rL2.
Then, press Down to initiate the test:
Press Up to switch on the defrost heater relay.
Press Defrost to switch off the relay.
5. Press Set and Defrost at the same time to display AnA. Then:
Press Up to view the appliance temperature.
Press Down to test the door switch.
press Defrost to view the condenser temperature
6. Press Set and Defrost at the same time to test the motion detector
Pir. Then, press Defrost and move your hand in front of the motion
sensor. Check that the displayed number increases.
7. Press Set and Defrost at the same time to exit the test mode. The
ems controller then displays USE or the appliance sensor
temperature.
Condenser high temperature