Diagnostics and troubleshooting Liquisys M CCM223/253
86 Endress+Hauser
Error
No.
Display Tests/remedial action Alarm
contact
Error
current
Autom.
cleaning
start
PROFIBU
S
Status
Facty Facty Facty PV
1)
User User User Temp
measuring cable with a
simulator.
X 80
E034 ORP offset range
exceeded or below
range
No No X 80
X 80
E035 Sensor 963 zero point
signal outside
permitted range
• Service the sensor (in
accordance with sensor
manual).
• Check connections.
• Check activated carbon
filter.
No No X 80
X 80
E038 Cl sensor signal
outside permitted
range during slope
calibration
• Service the sensor (in
accordance with sensor
manual).
• Check connections.
• Check DPD measuring
device.
• Do not use organic
chlorination agent.
No No X 80
X 80
E041 Calculation of
calibration parameters
aborted
Repeat calibration and
replace buffer solution;
replace sensor if
necessary, check device
and measuring cable.
No No X 80
X 80
E042 Distance between
buffer value and zero
point (pH7) too small
(single-point
calibration)
For slope calibration, use
a buffer solution which
has at least a distance of
ΔpH = 2 to the electrode
zero point.
No No X 80
X 80
E043 Distance between
buffer 1 and buffer 2
calibration values too
small (two-point
calibration)
Use buffer solutions
which differ by at least
Δ pH = 2.
No No X 80
X 80
E044 Stability requirement
not met during
calibration
Repeat calibration and
replace buffer solution; if
necessary, replace sensor
and check the device and
measuring cable with a
simulator.
No No X 80
X 80
E045 Calibration aborted No No X 80
X 80
E055 Lower Cl/ClO
2
measuring range
exceeded
Check measurement and
connections; if necessary,
check device and
measuring cable with a
simulator.
Yes No No 44
80
E056 Lower pH/mV
measuring range
exceeded
Yes No No 44
80
E057 Upper Cl/ClO
2
measuring range
exceeded
Yes No No 44
80
E058 Upper pH/mV
measuring range
exceeded
Yes No No 44
80
E059 Below temperature
measuring range
Yes No No 80
44