O
owilliamsSep 12, 2025
What does error E-20 on Alto-Shaam Ranges indicate?
- TTina WilliamsonSep 12, 2025
If you are seeing E-20 on your Alto-Shaam Ranges, it means the product probe reading is less than 5°F (-15°C). Verify the sensor integrity.

What does error E-20 on Alto-Shaam Ranges indicate?
If you are seeing E-20 on your Alto-Shaam Ranges, it means the product probe reading is less than 5°F (-15°C). Verify the sensor integrity.
What does E-79 error mean on Alto-Shaam Ranges?
If your Alto-Shaam Ranges unit displays error code E-79, it indicates that the voltage is too high: over 135 VAC on a 125 VAC unit, or over 250 VAC on a 208-240 VAC unit. The solution is to correct the voltage.
What causes E-90 error on Alto-Shaam Ranges?
The E-90 error on your Alto-Shaam Ranges indicates that a button has been held down for more than 60 seconds. Adjust the control, and the error will reset once the issue is resolved.
What does E-30 mean on Alto-Shaam Ranges?
The error E-30 on your Alto-Shaam Ranges indicates that the unit has been more than 25°F (14°C) below the set point for longer than 90 minutes. In this case, the unit displays error code E-30.
What does error E-31 mean on Alto-Shaam Ranges?
The error code E-31 on your Alto-Shaam Ranges means the unit has been more than 60°F (33°C) above the maximum set-point for longer than 3 minutes. In this case, the unit displays error code E-31.
How to fix E-60 error on Alto-Shaam Ranges?
If your Alto-Shaam Ranges displays error E-60, ensure that the date and time are set correctly, if applicable to your model.
How to fix E-80 error on Alto-Shaam Ranges?
To resolve the E-80 error on your Alto-Shaam Ranges, ensure that all temperatures and times are properly set.
What does E-21 error code mean on Alto-Shaam Ranges?
If your Alto-Shaam Ranges unit is showing error code E-21, this indicates that the product probe reading is greater than 517°F (269°C). Verify the sensor integrity.
What does E-11 error mean on Alto-Shaam Ranges?
If your Alto-Shaam Ranges displays error code E-11, it means the cavity air sensor is reading above 517°F (269°C). Verify the sensor integrity to fix this.
How to fix dLSD error on Alto-Shaam Ranges?
To fix the dLSD error on your Alto-Shaam Ranges, plug in the SD card and cycle the power.
| Model | 500-TH-II |
|---|---|
| Manufacturer | Alto-Shaam |
| Category | Oven |
| Power Supply | 120V/60Hz |
| Construction | Stainless steel exterior |
| Door | Glass Door |
| Controls | Digital Controls |
| Temperature Range | 200°F (93°C) |
| Weight | 160 lbs |












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