Nabco GT20 Wire And Programming Manual

40 of 43
GT20 Wire and Programming Manual www.NabcoEntrances.com
P/N C-00140 Rev 5-7-18
Table 23 
No
Description Cause Elimination Checking Time Reaction
E30 01 30 V Error 30 V too low Mains failure, overload motor
Check 115 VAC line. Replace
hardware
Permanent A
02 30 V too high
03 Error upon switching-on Aer Power Up
E31 01 24 V General Error upon switching-on Overload, short-circuit of the 24 V
inputs
(without electric lock, Safety
Sensors)
Aer Power Up A
(Restart aer
10 s)
02 Over-resp under-voltage Permanent
E32 01 24 V Safety Over-resp under-voltage Overload, short-circuit Safety
Sensors
E33 01 24 V E-Lock Error:
Over-resp under-voltage
Overload, short-circuit electric lock
02 Premonion:
Over-resp under-voltage
W
E34 01 24 V CAN Over-resp under-voltage Overload, short-circuit external
power supply CAN
Table 24 
No
Description Cause Elimination Checking Time Reaction
60
00 Relay PCB 0
Opon PCB has been removed,
its address changed or became
defecve
X Check if the opon is provided.
X If defecve: Replace or remove
from the conguraon.
Permanent W
10 Relay PCB 1
W
20 Radio PCB W
30 Fire-Protecon A
Table 25 
No
Description Cause Elimination Checking Time Reaction
E50 01-99 System Error Unexpected hardware or
soware event
Switch the drive unit O/On
Carry out a Factory Reset,
carry out a Soware Update,
inform the manufacturer
Permanent W or H or F
E51
E52
Table 26 
No
Description Cause Elimination Checking Time Reaction
70 xx CAN bus seng CAN address xx exisng
twice
Correctly dene the role of the
Closing Sequence or the
Interlock Funcon
Permanent W
E71 01 CAN connecon No CAN connecon X Plug in, check or replace the
CAN cable
X Check if all the CAN parcipants
are switched on
Permanent W

Nabco GT20 Specifications

General

Brand	Nabco
Model	GT20
Category	Door Opening System
Language	English