ABB SACE Emax 2 Installation, Operation And Maintenance Instructions For The Installer And The User page 50
Low voltage air circuit-breakers
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48 | © 2017 ABB | 1SDH000999R0002 - ECN000058721 - Rev. B
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HELP
Some LED signals indicate connection errors or operational errors that require corrective or maintenance
operations. The following are the suggestions for checking with reference to the preceding LED table:
HELP note
Operation
A
Contact ABB.
Check the connections between trip unit and accessories (Rating Plug, trip coil,
B
sensors, etc).
C
Normal operation/signalling provided by the trip unit.
Error in setting of the dip-switches. Check and correct the following conditions:
• All the dip-switches of L are in the ON position
• I1 ≥ I2 or I2 ≥ I3.
• Iu < (2 * In * I1) in the case where InN = 200 %.
D
• I4 < 0.3 In (con In = 100 A), 0.25 In (con In = 400 A) or 0.2 In (for all other sizes),
in the absence of auxiliary power supply.
• t2 > 0.4s (in the case of UL circuit-breaker)
• t4 > 0.4s (in the case of UL circuit-breaker)
• I4 > 1200 A (in the case of UL circuit-breaker)
E
Carry out installation.
F
Connect via Ekip Connect in order to set the Local Bus or to confirm maintenance.
G
Contact ABB to restore software compatibility between Ekip Dip and Mainboard.
H
Replace the battery.
Ekip Dip protection trip unit | 5 - List of alarms and signals
ABB | SACE Emax 2
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