Riken Keiki CO2RK-Lite, Руководство по эксплуатации

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7. Troubleshooting
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Symptom/display Cause Action
Sensor abnormality
E-1 SENS
Sensor abnormality
A sensor abnormality has occurred.
Contact Riken Keiki.
System abnormality
E-9 SYSTEM
Internal ROM, RAM, or
EEPROM abnormalities
Contact Riken Keiki.
The reading does
not stabilize.
Sudden temperature
fluctuations
Install the product in a location free of sudden temperature
fluctuations, such as where exposed to air-conditioning
drafts or open windows.
Carbon dioxide
concentration
fluctuations Both heating equipment and human respiration generate
high concentration carbon dioxide. Avoid installing in such
locations.
Effects of external noise
Microwave ovens and other large domestic electrical
appliances may generate powerful electromagnetic radiation.
Avoid installing in such locations.