Page 54 - Sace Emax 2 Manual Touch Protection breakers

Continued from the previous page ABB | SACE Emax 2
Protections
In the event of protection or measurement alarms, the associated signals are reported:
Signal Type of alarm
Trip Test Trip test performed signal. Press iTEST to reset the message
Protection timing (for example: L Specific protection in time delay mode
timing)
Protection prealarm (for example: Specific protection in prealarm
Prealarm G)
Protection (Trip off) [for example: S
(Trip off) ] Specific protection, configured with trip disabled, in alarm state
2I Protection Active 2I Protection active
Load LC1 / Load LC2 Current threshold 1 I1 / 2 I1 exceeded and in alarm state
Iw1 Warning / Iw2 Warning Current threshold Iw1 / Iw2 exceeded and in alarm state
Harmonic dist. Harmonic Distortion protection in alarm state
Power factor Power factor measurement (cos φ) less than set threshold
Phase cycle Phase sequence protection in alarm state
Frequency Frequency measured off range (<30 Hz or >80 Hz)
5th harmonic above Th / I sopra Th Single or total harmonic measurement above threshold
/ THD I above Th / THD V above Th

Faults, causes and remedies A list of possible faulty situations for Ekip Touch, their possible causes and suggestions about how
to resolve them are given below. Integrate the table with that of the circuit-breaker available in manuals
1SDH000999R0002 and 1SDH001000R0002.
NOTE: check error messages on display before consulting the table; if the suggestions given
fail to resolve the problem, call the ABB assistance service and provide the report produced
by the Ekip Connect software if possible

Fault Possible causes Suggestions
Communication
problems with Circuit-breaker in withdrawn position, Insert modules, set CB to Connected
Vaux absent or modules not inserted
modules in terminal properly position, connect Vaux
box
CB status not aligned Absence of terminal box modules or of Check for presence of terminal box
with CB position contact S75I modules and connect contact S75/I

The connections or supplies of the
opening/closing actuators are not Check connections and supplies.
Circuit-breaker fails correct
to react to opening/ Absence of auxiliary power supply to Check supplies and status of Power
closing command Ekip Touch LEDs
from Ekip Touch
Circuit-breaker is in a condition which Check circuit-breaker documentation
fails to enable the selected command and cases that fail to enable command

No auxiliary supply or currents lower
Display off and/or not than minimum turn-on values Correct operating condition.
backlit
Temperature outside range Correct operating condition.

Continued on the next page

52 | © 2019 ABB | 1SDH001316R1002 - ECN000086501 - Rev. A Management operations | 1 - Ekip Touch maintenance and troubleshooting