Endress+Hauser Mycom S CLM 153, Operating Instructions Manual

Page: 90 / 121

8 Troubleshooting Mycom S CLM 153
90 EHauser
E072 Failure Polarisation error 1
Clean sensor. Use higher cell
constant.
E073 Failure Polarisation error 2 yes no no
E074 Failure Temperature out of alpha table 1
Check measurement and tables for
plausibility;
if necessary, adjust or extend table.
yes no no
E075 Failure Temperature out of conc table 1 yes no no
E076 Failure Cond out of conc table 1 yes no no
E077 Failure Temperature out of alpha table 2
Check measurement and tables for
plausibility;
if necessary, adjust or extend table.
E078 Failure Temperature out of conc. table 2
E079 Failure Cond out of conc. table 2
E080 Funct.
check Range for current
output 1 too small
Increase measuring range span for
current output assignment
no no no
E081 Funct.
check Range for current
output 2 too small no no no
E100 Funct.
check Current simulation active Check if functions were consciously
selected no no no
E101 Funct.
check Service function active no no no
E106 Funct.
check Download active Wait for download to end. no no no
E116 Failure Download error Repeat download. no no no
E117 Failure DAT updownload error Check with other DAT memory
module; when writing to DAT: repeat
write process yes no – –
E152 Mainte-
nance PCS circuit 1 alarm Conductivity sensor defective or
totally soiled; measured water flow in
bypass interrupted;
air cushion in assembly; measuring
line interrupted no no no
E153 Mainte-
nance PCS circuit 2 alarm no no no
E154 Mainte-
nance USP error 1
Conductance too high, check
process.
Check temperature for plausibility.
no no
E155 Mainte-
nance USP temp error 1 no no
E156 Mainte-
nance USP error 2 no no no
E157 Mainte-
nance USP temp error 2 no no
E171 Mainte-
nance Current/resistance input 1 below
range
Measure input signal.
Permitted: 4 ... 20 mA
Resistance input: see controller
configuration (feedback) also
no no
E172 Mainte-
nance Current/resistance input 1 above
range no no
E173 Mainte-
nance Current input 2 below range
Cause is the connected device or the
wiring.
no no
E174 Mainte-
nance Current input 2 above range no no
Error no. NAMUR
class Error message Possible causes / measures Alarm
contact Error
current Automatic
cleaning
start
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