N ote:
1.
3. Correct curve
3. Exclude not necessary
4. Correct threshold
2. Warning threshold exceeded
L*. prealarm Protection prealarm
L*.
No. FN
2. Curve I2t inserted
1. Curve too high
3. Exclude not necessary
3 Trip times higher than expected Threshold too high
2.
2.7 tin 123/D unit
The following table lists series typical service conditions, help you understand and solve hypothetical faults malfunctions. The not connected
1. timer-controlled delay still elapsing)
[a Value outside range Value beyond the established limits
[a Failed 1001/2001 Incongruence between thresholds protections and (SET1/SET2)
[a Failed 1002/2002 Incongruence between thresholds protections and (SET1/SET2)
[a Failed 1003/2003 Incongruence between thresholds protections and (SET1/SET2)
[a Failed 1004/2004 Incongruence between thresholds protections and (SET1/SET2)
[a Failed 3001 Inconsistency language change
[a Exception Control temporarily unavailable
[a Unavailable Function temporarily unavailable
Invalid date Date has not been set
Parameters revised Programming session concluded correctly
Cancelled Programming session cancelled
[a Failed Programming session rejected
13.9. Correct threshold
2. Timing Timing protection L
L?_ Timing Timing protection S
[2 Timing Timing protection S2
L?. Check the messages the display
2 Trip times lower than expected Threshold too low
2.
2. Exclude not necessary
4 Rapid trip, with I3=Off Iinst tripped with short-circuit with high I
5 High earth but trip happens Function prevented with I>4In FN
6 Display off Vaux missing and the voltage
is below the minimum value.
75/108
.8
7 The display not back-lit Voltages below the
limit for lighting the display
FN
Model 3447
A pparatus Emax DC
S cale
D oc-N 1SDH000635R0002
Page No. Curve too low
3. Thermal memory enabled
4.
Error message Description
[a Password error
[a Session impossible programming session cannot started due contingency (e. Contact wear Contact wear prealarm Contact wear 80%
L®.7
1*. The SdZ inserted
1. Temperature out range
1. FN, see 13. prealarm Protection prealarm
L®. Timing Timing protection G
|S Timing Timing protection U
|S Timing Timing protection UV
|S Timing Timing protection OV
|S Timing Timing protection RP
13.6. indicates norm ratio fth 123/DC .g. Situation Possible causes Suggestions
1 The trip test cannot run The busbar current 0
2.4 Error messages displayed pop-up windows
All the messages that appear the display pop-up window are described below.Error message Description Notes
[a Local Bus Local Bus error See par.2. Before consu lting the follow ing table, any error essages appearing som con the display.2. case ere sugg estions pro not lead solution fth roblem please the assistance service. Correct curve
3. 13.2
2. FN, see 13
