<12. Troubleshooting>
12-5
IM 11M12G01-02EN 1sh Edition : Mar. 25, 2021-00
12.2 Displays and Remedies When Alarms are
Generated
12.2.1 Alarm Types
When an alarm is generated, the alarm indication blinks in the display to notify of the alarm.
Pressing the alarm indication displays a description of the alarm.
Alarms include those shown in Table 12.2.
Table 12.2 Types of Alarms and Reasons for Occurrence
Alarm
number
Alarm Type Reasons for Occurrence
101 Oxygen concentration high high alarm Oxygen density exceeds setup limit.
102 Oxygen concentration high alarm Oxygen density exceeds setup limit.
103 Oxygen concentration low alarm Oxygen level is lower than setup.
104 Oxygen concentration low low alarm Oxygen level is lower than setup.
105 Humidity high high alarm The water content is above setup limit.
106 Humidity high alarm The water content is above setup limit.
107 Humidity low alarm The water content is below setup.
108 Humidity low low alarm The water content is below setup.
109 Mixing ratio high high alarm Mixing ratio exceeds setup
110 Mixing ratio high alarm Mixing ratio exceeds setup
111 Mixing ratio low alarm Mixing ratio is lower than setup
112 Mixing ratio low low alarm Mixing ratio is lower than setup
113 Relative humidity high high alarm The relative humidity exceeds setup value.
114 Relative humidity high alarm The relative humidity exceeds setup value.
115 Relative humidity low alarm The relative humidity is less than setup relative humidity.
116 Relative humidity low low alarm The relative humidity is less than setup relative humidity.
117 Simple cell resistance alarm The simple cell resistor has exceeded setup limit.
118 AO1 saturation mA output has reached the upper or lower limit
119 AO2 saturation mA output has reached the upper or lower limit
120 Calibration stability alarm Electromotive force of the cell does not stabilize after
calibration period has elapsed.
201 Zero correction ratio high alarm Zero point correction ratio exceeds 130%
202 Zero correction ratio low alarm Zero point correction rate is lower than 70%.
203 Span correction ratio high alarm Span point correction ratio exceeds 18%
204 Span correction ratio low alarm Span point correction rate is lower than-18%.
205 Cold junction temperature high alarm Temperature of the cold contact has exceeded 155°C.
206 Cold junction temperature low alarm Temperature of the cold contact is below-25°C.
207 Thermocouple voltage high alarm Thermocouple electromotive force is over 42.1 mV (approx.
1020°C)
208 Thermocouple voltage low alarm Thermocouple electromotive force is below-5 mV (approx.-
170°C)
209 AI current high alarm AI-input mA is above 20.5 mA
210 AI current low alarm AI-input mA is below 3.8 mA
211 Input temperature high alarm The incoming temperature has exceeded setup threshold.
212 Input temperature low alarm The incoming temperature is lower than setup.
213 Input pressure high alarm The input pressure exceeds setup value.
214 Input pressure low alarm The input pressure is lower than setup value.
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