
39
2114575-06-02/21 (translation of the original operating instructions)
Operating Instructions Safety Systems
MGB-L..B-PN.-… (PROFINET) and With Data Structure Type A
EN
19. Troubleshooting and assistance
19.1. Latching fault when actuating the escape release
In order to achieve monitoring of the locking element in category 4, PL e according to EN ISO 13849-1, an internal monitoring
logic system is integrated into every locking module.
Result
: The MGB system enters into a latching fault when the escape release is actuated (see
Door position
Position of the bolt tongue
Guar
d locking
Door position input bit
SI
3
Bolt position input bit
SI
4
Guar
d locking input bit
SI
5
ÜK input bit
SI
10
Device diagnostics input bit
I
17
Device diagnostics input bit
I
18
Device diagnostics input bit
I
24
LED indicator
State
Power (gn)
State (gn)
Lock (ye)
DIA (r
d)
X
X
X
off
off
off
off
on
on
X
1 x
Signal sequence incorrect (e.g. after actuation of the escape
release)*
LED not illuminated
LED illuminated
10 Hz (8 s)
LED flashes for 8 seconds at 10 Hz
3 x
LED flashes three times
X
Any state
NOTICE
The system might not enter into a latching fault if the escape release is actuated very slowly.
19.2. Resetting errors
Proceed as follows:
1. Acknowledge fault via output bit
O 18
(in data block for diagnostics function).
2. Close guard if necessary and switch on guard locking.
¨
The system is in normal operation again.
19.3. Troubleshooting help on the Internet
You will find a help file on troubleshooting under “Support” in the service area at www.euchner.com.
19.4. Mounting help on the Internet
You will find an animation on the mounting process at www.euchner.com.
19.5. Application examples
You will find application examples on connecting the device to various control systems at www.euchner.com.