ABB SACE Emax 2 Instructions Manual page 35

Faults, causes and remedies A list of possible faulty situations for Ekip Touch, their possible causes and suggestions about how to
33 | © 2023 ABB | 1SDH001316R1002 - ECN000297030
Continued from the previous page
Protections
In the event of protection or measurement alarms, the associated signals are reported:
Signal
Trip Test
Protection timing (for example: L
timing)
Protection prealarm (for example:
Prealarm G)
Protection (Trip off) [for example:
S (Trip off) ]
2I Protection Active
Load LC1 / Load LC2
Iw1 Warning / Iw2 Warning
Harmonic dist.
Power factor
Phase cycle
Frequency
5th harmonic above Th / I sopra
Th / THD I above Th / THD V
above Th
resolve them are given below.
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
Faults Possible causes
The trip signal of the protection trip
unit has not been reset
The open-position key lock or padlock
is activated
The circuit-breaker is in an
The circuit-breaker
intermediate position between
doesn't close
connected and isolated for test
when the closing
or between isolated for test and
pushbutton is
disconnected
pressed
The undervoltage coil is not
energized
The opening coil is permanently
energized
The trip unit pushbutton is pressed
(withdrawable version)
Type of alarm
Trip test performed signal. Press iTEST to reset the message
Specific protection in time delay mode
Specific protection in prealarm
Specific protection, configured with trip disabled, in alarm
state
2I Protection active
Current threshold 1 I1 / 2 I1 exceeded and in alarm state
Current threshold Iw1 / Iw2 exceeded and in alarm state
Harmonic Distortion protection in alarm state
Power factor measurement (cosφ) less than set threshold
Phase sequence protection in alarm state
Frequency measured off range (<30 Hz or >80 Hz)
Single or total harmonic measurement above threshold
Suggestions
Press the TU mechanical reset
pushbutton or operate the electrical
reset remotely.
Unlock the lock in open position
using the relevant key
Complete the rack-in operation
Check the power supply circuit and
the power supply voltage
Correct operating condition.
Rotate the crank to complete
1 - Ekip Touch maintenance and troubleshooting
ABB | SACE Emax 2
Continued on the next page
Management operations