10
Maintenance
10.1
Maintenance work
NOTICE!
Failure of the safety function
Clogging of the cushioning body of an unsuitable silencer may result in reduced bleeding (back pres-
sure). This may result in failure of the safety function.
•
Use the silencer UOS-... intended for the device exclusively.
•
Check the silencer regularly and replace if necessary.
10.2
Cleaning
1. Switch off energy sources:
–
Operating voltage
–
Compressed air
2. Clean the outside of the product as required. Approved cleaning agents are soap solutions (max.
+50 °C), petroleum ether and all non-abrasive cleaning agents.
11
Malfunctions
11.1
Diagnostics
LED display
Operating statuses and errors are indicated by flashing light-emitting diodes.
Power LED (green)
Error LED (red)
Meaning
Off
Off
Operating voltage not applied
lights for approx. 6 s after
switch on
lights for approx. 6 s after
switch on
Product runs through all tests
during start-up
flashes once a second
Off
Product is in exhausted status
Product is in pressurised status
continuously on
Off
Product is waiting for the signal
(S34) with monitored start
4x briefly
flashes once a second
error code
Tab. 7 LED display
Display of error codes
The error code is displayed by 4 short flash pulses of the Power LED (green). Then the Error LED (red)
displays the error code (number of flash pulses = error code). The flash pulses for both LEDs repeat
continuously. The LEDs only stop flashing when the operating voltage is switched off in order to clear
the error.
Overview of error codes:
Maintenance
24
Festo — MS6-SV-...-E-10V24 — 2019-10d
