SFAM
Festo – SFAM – 2017-09c English
27
8
Disassembly
1. Switch off the following energy sources before disassembly:
–
Operating voltage
–
Compressed air
2. Disconnect the respective connections from the SFAM.
9
Fault clearance
Malfunction
Possible cause
Remedy
Incorrect measured
value indicator
SFAM operated with non-permitted
medium
Operate SFAM only with permitted
media
SFAM contaminated
Replace device
In case of flow rate
measurement:
Measured value is
flashing
Measurement outside permitted
measuring range
Accuracy refers only to the permitted
measuring range
In case of air
consumption
measurement:
Measured value is
flashing
Measuring range end value has been
exceeded at least once. Specified
accuracy can therefore probably not
be maintained
Make sure that the measuring range
end value is not exceeded
Outputs do not
switch corresponding
to the setting
Short circuit or overload at
corresponding output
Eliminate short circuit/overload
Settings cannot be
edited (Lock)
Access protection active
Entering the security code
O.FLO
Measurement range exceeded
(displayed in RUN mode)
Check operating conditions
Er1, Er2, Er4
Device defective
Replace device
Er9
Measurement range undershot
(displayed in SHOW mode)
Check operating conditions
Er10
Measurement range exceeded
(displayed in SHOW mode)
Check operating conditions
Er17
Undervoltage
Maintain operating voltage
Check electrical wiring
Tab. 12
Fault clearance
10
Accessories
Please select the corresponding accessories from our catalogue.
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www.festo.com/catalogue/sfam
