11
Operating status display
The current operating states of the AT12 are indicated by a suitable error state display
(Service Tool).
Display Meaning
0 Reserve
1 RAM, EEPROM or CPU error (system error)
2 Brake chopper error
3 Error in the second shutdown route
4 Increased hold-open time with longer motor switch-on time
5 Motor undefined
6 Motor blocked in direction of closure
7 Incremental encoder error
8 Reserve
9 Motor overcurrent
A Reserve
b 15 V overvoltage
c Blockage while opening
C Reserve
d Door remains stationary during initialization run (no OPEN or CLOSE signal, or door
has reached end position)
E Motor overvoltage
F Motor undervoltage
h 15 V undervoltage
H Parameter determination (learn run)
n Output stage defective
L Ammeter error
o Function OK
P Parameter error (error during learn run)
u Door is closed
U Maximum door weight exceeded
— Controller waiting for learn run, door system has no valid parameter values
Elevator door drive AT12
Manual, 02/2012, A2B00086683A-04
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