Diagnostics and troubleshooting Liquiline CM44P
150 Endress+Hauser
No. Message Factory settings Sensor
type
Tests or remedial action
S
1)
D
2)
F
3)
180 Operating time M On Off P Operating hours < -300 mV,
measurement can still take place
1. Replace sensor.
2. Change monitoring limit.
3. Disable monitoring.
181 Operating time M On Off O (opt.) Operating hours < 25 µS, measurement
can still take place
1. Replace sensor.
2. Change monitoring limit.
3. Disable monitoring.
182 Operating time M On Off O (opt.) Operating hours > 40 µS, measurement
can still take place
1. Replace sensor.
2. Change monitoring limit.
3. Disable monitoring.
183 Operating time M On Off O (amp.) Operating hours > 10 nA (COS51D),
measurement can still take place
1. Replace sensor.
2. Change monitoring limit.
3. Disable monitoring.
184 Operating time M On Off O (amp.) Operating hours > 30 nA (COS22D),
measurement can still take place
1. Replace sensor.
2. Change monitoring limit.
3. Disable monitoring.
185 Operating time M On Off O (amp.) Operating hours > 40 nA (COS51D),
measurement can still take place
1. Replace sensor.
2. Change monitoring limit.
3. Disable monitoring.
186 Operating time M On Off O (amp.) Operating hours > 160 nA (COS22D),
measurement can still take place
1. Replace sensor.
2. Change monitoring limit.
3. Disable monitoring.
187 Operating time M On Off C Operating hours > 80 °C, 100 nS/cm,
measurement can still take place
1. Replace sensor.
2. Change monitoring limit.
3. Disable monitoring.
188 Operating time M On Off C, O Operating hours < 5 °C, measurement can
still take place
1. Replace sensor.
2. Change monitoring limit.
3. Disable monitoring.