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Nabco GT20 Wire And Programming Manual

Nabco GT20
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38 of 43
GT20 Wire and Programming Manual www.NabcoEntrances.com
P/N C-00140 Rev 5-7-18
Table 20 
Nou
Descripon Cause Eliminaon Checking Time Reacon
E1 01 Encoder Channel A Lost X Check:
y 
y 
y 
X Direcon of motor rotaon does not
match swing side of door
X Door is blocked
During Run H
02 Channel B Lost
03 Channel A + B Lost
04 Short-Circuit A + B Prior to Start-Up H
05 Malfuncons
06 Motor Cable incorrectly
plugged in
07 No signal channel A During Encoder Test H
08 No signal channel B
09 No signal channel A + B
10 Short-circuit A + B Prior to start-up H
11 Malfuncons During Test H
12 Malfuncons
13 Encoder not connected Always H
E2 02 Motor
Current
Current too High X Check:
y 
y 
Prior to start-up H
Current too Low
Jumper missing
E3 01 Latch Check
(cushioning)
Test Failed Once Switch the Drive Unit to MANUAL
Operang Mode. Then carefully check if
the door closes in a cushioned manner:
X If Not: Replace Hardware
X If Yes: Check/correct the fricon of the
Door Panel and the pre-stressing of
the closing spring
Prior to closing cycle
(aer startup)
W
02 Test Failed Twice F
(Drive unit is
funconing
Buzzer Acve)
Damping Defecve
Opening beyond range of
Operator
E4 01 Reference
Switch
Range of Operator
detected in the Open
Posion
X Check:
y 
y 

X Reference Switch must be acvated
in Close posion (Switching Contact
open)
Open Posion
F
02 Not detected in the Closed
Posion
Prior to the First
Setup Run
A
03 Not detected in the Closed
Posion
04 Not detected in the Open
Posion in "INVERS" mode
X Before Start (Teach) door must be in
Open posion
X Reference Switch must be acvated
in Open posion (Switching Contact
open)
E5 00 Power
Limitaon
Control Overload X Check/Correct
y 
y 
X Ensure maximum door weight is not
exceeded
Permanent A
Maximum Power is
Restricted

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Nabco GT20 Specifications

General IconGeneral
BrandNabco
ModelGT20
CategoryDoor Opening System
LanguageEnglish

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