Diagnostic
level
Effect on display Effect on keys and out-
puts
Description
2 Shows error no. in run
mode
–
Errors in the sensor environment, no
critical effect on basic sensor func-
tions, can be corrected by the user
3 Shows error no. in run
mode
Switching outputs and,
if applicable, analogue
outputs are set inactive
Errors in the sensor environment, no
critical effect on basic sensor func-
tions, can be corrected by the user
4 Display flashes with
error no.
Switching outputs and,
if applicable, analogue
outputs set inactive,
keys blocked
Hardware error on the device,
e.g.defective EEPROM
Tab. 36 Diagnostic levels
10 Operation and use
10.1 Notes on operation
Type SOPA-C..
• To prevent contamination of the sensor modules and the measuring nozzles, switch on the meas-
uring air.
• Activate the exhaust air to clean contaminated measuring nozzles.
The switching status of the valves, which are integrated in the control module and used for activating
the measuring and exhaust air, is indicated by the status LED [Sense] and [Clean].
Type SOPA-C..-H
• The electric manual override function for the measuring and exhaust air on the control module can
be deactivated by switching off the supply voltage for the manual override.
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The LED which indicates the ready status of the manual override is then switched off.
10.2 Restoring Factory Settings (Restore)
By resetting to the factory settings, the current settings are lost. Note down current settings before
resetting.
1. Switch off operating voltage.
2. Press and hold the A pushbutton, B pushbutton and Edit button.
3. Switch on the operating voltage.
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– [CLER] is displayed.
– The factory settings are restored è Fig.18. RUN mode is active.
Operation and use
45Festo — SOPA — 2020-04
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