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8 Troubleshooting
Mycom S CPM 153
98
Hauser
E168
Mainte-
nance
SCS message IsFET
sensor 1
Leak current > 200 nA. Early warning.
Work can be continued until error E008/
E009 occurs.
no
no
–
E169
Mainte-
nance
SCS message IsFET
sensor 2
no
no
–
E171
Mainte-
nance
Current input 1
undershot
Check process variables at transmitter.
Change range assignment if required.
no
no
–
E172
Mainte-
nance
Current input 1
exceeded
no
no
–
E173
Mainte-
nance
Current input 2
undershot
no
no
–
E174
Mainte-
nance
Current input 2
exceeded
no
no
–
Error
no.
NAMUR
class
Error message
Possible causes / measures
Alarm
contact
Error
current
Automatic
cleaning
start
Fact
User
Fact
User
Fact
User