Liquiline CM44P
Diagnostics and troubleshooting
Hauser
149
No.
Message
Factory settings
Sensor
type
Tests or remedial action
S
D
F
168
Polarization
S
On
Off
C (cond.)
Polarization warning
The measured value is corrupted at high
conductivity levels.
‣
Use a sensor with a larger cell
constant.
169
Operating time
M
On
Off
S
Operating hours, conc. > 200 mg/l,
measurement can still take place
1.
Replace sensor.
2.
Change monitoring limit.
3.
Disable monitoring.
170
Operating time
M
On
Off
S
Operating hours, conc. < 50 mg/l,
measurement can still take place
1.
Replace sensor.
2.
Change monitoring limit.
3.
Disable monitoring.
171
Lamp change
M
On
Off
N, T, S,
Phot
Lamp must be replaced
1.
Replace lamp.
2.
Contact the Service Department.
172
Echo lost
F
On
On
U
Echo signal lost
173
Sludge level
F
On
On
U
Incorrect separation zone measurement
‣
Replace sensor.
174
Turbid. failure
F
On
On
U
Incorrect turbidity measurement
‣
Replace sensor.
175
Wiper failure
F
On
On
U
Wiper not working
‣
Clean or replace sensor.
176
Operating time
M
On
Off
DI
Operating hours > 100 nA, measurement
can still take place
1.
Replace sensor.
2.
Change monitoring limit.
3.
Disable monitoring.
177
Operating time
M
On
Off
DI
Operating hours > 20 nA, measurement
can still take place
1.
Replace sensor.
2.
Change monitoring limit.
3.
Disable monitoring.
178
Operating time
M
On
Off
DI
Operating hours > 15 °C, measurement
can still take place
1.
Replace sensor.
2.
Change monitoring limit.
3.
Disable monitoring.
179
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.
