Diagnostics Test
Simultaneously press the LIGHT and OFF keys for 3 seconds. The diagnostics screen will appear in the LCD display.
Sample Diagnostics Screen
Displayed Information
•MODEL - Identified at
•CODE VERSION - The date the code file was sent to GEA for testing
•HUMIDITY SENSOR - The CUR (current), DET (detection point), MIN (minimum), MAX (maximum) humidity sensor data will update continuously.
The CUR value is the present A/D value of the sensor. DET is the value at the moment the humidity detection point was reached. MIN is the lowest humidity point measured during entire feature’s run. MAX is the highest humidity value measured during the feature’s run. These data points are the dynamic measurements of the sensor, not the calculated values.
Pressing the DONE key terminates the diagnostic screen. The screen returns to the previous or HOME screen. The diagnostic screen will timeout and return to the previous screen after receiving no input for 5 minutes.
Error Message
F1 Convection - Open thermal sensor
F2 Convection - Shorted thermal sensor
F3 - Keypanel shorted for more than 60 seconds
F4 - Open humidity sensor
F5 - Shorted humidity sensor
F10 - Shorted touch panel
Note: Any “F” code will cause an error sound to beep for 3 cycles. One cycle will sound 2 seconds on, 1 second off.
Sample “F” Code page
Demonstration Mode
In demonstration mode, everything will operate on the unit except the high voltage section.
To enter the demonstration mode, disconnect the power for 30 seconds then reapply power. Simultaneously press the HELP screen pad and the BOOST button for 3 seconds. The word DEMO will appear in the LCD display.
To exit the demonstration mode, disconnect the power for 30 seconds then reapply power.
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