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66
Control unit MGC
Corrective action
Number
Designation
Possible cause
Corrective action
8130
WARNING
Heartbeat error
Communication to a
plug-in module was
interrupted.
›
Check whether all plugged
in modules are listed in the
main menu.
›
Perform reset.
FF20
WARNING
Emergency open
0 V or no signal is
present at the
"Emergency open"
input.
›
Check input signal.
›
If not used, deactivate the
input function.
Table 28:
Event, warning and error messages – Logic control (control unit)
8.3.2
Event, warning and error messages – Motor MHP2
Number
Designation
Possible cause
Corrective action
2220
WARNING
Over current
Overcurrent was
detected
›
Check mains unit.
›
Check wiring.
3210
ERROR
Over voltage Ucc
Overvoltage has been
detected. Vandalism or
mains unit defective.
›
Check mains unit.
3211
ERROR
Over voltage Udc
Overvoltage has been
detected. Vandalism or
mains unit defective.
›
Check wiring.
›
Check mains unit.
3220
WARNING
Under voltage Ucc
Under voltage has been
recognised
›
Disconnect additional
loads from the MGC
control unit.
›
Check mains unit.
3221
WARNING
Under voltage Udc
Under voltage has been
recognised. Mains unit
overloaded. The
message can occur in
case of vandalism and
deactivated locking.
›
Disconnect additional
loads from the MGC
control unit.
›
Check mains unit.
›
Perform the following test:
Deactivate locking. Check
the holding time by
pressing on the blocking
element while the passage
is blocked. If the holding
time is shorter than 1 s,
replace the mains unit.