Yamato Scientific DG400 Drying Ovens for Laboratory Tools - Manual (Page 33)

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8. Troubleshooting
Safety device and error codes
The unit has the self diagnostic function with a controller and a separate safety device.
Table below shows possible causes and measures when the safety device is triggered.
[Error codes]
When a functional or mechanical abnormality occurs, an error code will be displayed on the
control panel. When an abnormality occurs, confirm the error code and immediately stop
operation.
Safety device Symptom Possible causes and measures
Sensor error
appears
• Error in the temperature input circuit
• Disconnection or other errors in the temperature
sensor
• Measured temperature is outside the
displayable range.
Contact our service department.
Memory error
appears
• Memory setting error
Contact our service department.
Measured
temperature error
－－－－
－－－－ appears
• When the upper limit alarm of the temperature
alarm function is triggered.
Contact our service department.