Endress+Hauser Liquiline CM44P - Page 148

Diagnostics and troubleshooting Liquiline CM44P
148 Endress+Hauser
No. Message Factory settings Sensor
type
Tests or remedial action
S
1)
D
2)
F
3)
155 Sensor defective F On On N, T, S Sensor defective
Error with analog evaluation
1. Replace sensor.
2. Contact the Service Department.
156 Organic pollution F On On N, T, S Excessive organic fouling
Reasons: sensor fouling, high organic
content, incorrect orientation
1. Clean sensor
2. Install automatic cleaning.
3. Check application.
157 Filter change M On Off N, S, Phot Optical filter must be replaced
Reasons: long period of operation,
moisture in sensor
1. Replace filter.
2. Contact the Service Department.
158 Sensor check F On Off N, T, S Invalid measured value
1. Check sensor power supply.
2. Restart the device.
3. Contact the Service Department.
159 Sensor check F On Off N, T, S Uncertain measured value
Reasons: sensor fouling, incorrect
application
1. Clean sensor.
2. Check application.
160 Sensor data invalid F On Off N, T, S, DI No calibration data
Reasons: data deleted
1. Select other data record.
2. Use factory calibration.
3. Contact the Service Department.
161 Filter change F On Off N, T, S Filter needs to be changed
Reasons: long period of operation,
moisture in sensor
1. Replace filter.
2. Contact the Service Department.
162 Install.factor M On Off C (ind.) Installation factor exceeded/undershot,
alarm
Reason: distance between wall and
sensor too small (< 15 mm)
1. Check pipe diameter.
2. Clean sensor.
3. Calibrate sensor.
163 Install.factor M On Off C (ind.)
164 Sensor data invalid M Off Off C No temperature calibration data
Factory calibration is used
1. Check process.
2. Check or replace sensor.