Festo SFAB-PNLK Series, Operating Instruction

Page: 43 / 50

Festo — SFAB-...-PNLK — 2022-08
Dismantling
43
11 Fault clearance
Malfunction / display Possible cause Remedy
Main display Lower display
Settings cannot be edited;
‘Lock’ appears. Security code activated.
–
Enter security code or restore
factory settings
è 9.1 Reset
sensor to factory setting.
‘Er01’ Error related Device error.
–
Replace sensor.
‘Er08’ ‘ diaP’ Moisture or dirt in the com-
pressed air.
–
Replace sensor.
–200%FS ‘Er09’/‘UNdR’ Below sensing range.
–
Maintain flow measuring
range.
+200%FS ‘Er10’/‘OVER’ Sensing range exceeded
–
Maintain flow measuring
range.
<Measured
value> ‘Er17’/‘SUPL’ Power supply too low.
–
Check power supply.
<Measured
value> ‘Er20’/‘t.Hi’ Temperature error in IO-Link
driver.
–
Eliminate short circuit or
overload.
<Measured
value> ‘Er21’/‘SHRt’ Overload or short circuit at the
OutA, OutC switching output.
–
Eliminate short circuit.
<Measured
value> ‘Er22’/‘SHRt’ Overload or short circuit at the
switching output OutB.
–
Eliminate short circuit.
REC reading
flashes – Measured value was outside
the measuring range.
‘Err’ / ‘Id’ ‘REPL’ IO-Link DeviceID error, devices
are not identical.
–
When replicating, use sen-
sors with the same meas-
uring range or type.
‘Err’ / ‘COM’ ‘REPL’ IO-Link communication error.
–
Check line OutA.
–
Check settings of the device
sensor.
Tab. 28: Fault clearance
12 Dismantling
1. Turn off energy source and compressed air.
2. Disconnect connections from the sensor.
3. For panel mounting: loosen retaining screws.
For H-rail mounting: loosen the mounting slide.