afriso OM 1 Notice Technique page 77

8 Maintenance
8.1 Maintenance intervals
When
Annually and
After an alarm condition
8.2 Maintenance activities
ELECTRIC SHOCK CAUSED BY LIVE PARTS
• Disconnect the mains voltage supply before performing the work and ensure
that it cannot be switched on.
Failure to follow these instructions will result in death or serious injury.
Replacing the mains fuse F1
 Verify that the mains voltage is interrupted and cannot be switched on.
1. Open the control unit, see Page 19.
2. Remove the transparent cover from the mains fuse F1.
3. Insert a new mains fuse F1, see Page 16.
4. Refit the transparent cover.
5. Connect the flat cable to the connector.
6. Close the control unit, see 1 above.
7. Apply mains voltage.
Maintenance
Activity
Perform a visual inspection of the probes. See
"After an alarm condition".
Clean polluted parts and replace damaged parts.
Perform a function test. See "Performing the func-
tion test" on page 27.
DANGER
OM 5 / OM 5+1 / OM 1
EN
31