Correct curve
3.7 tin 123/D unit
The following table lists series typical service conditions, help you understand and solve hypothetical faults malfunctions.
No. FN, see 13. indicates norm ratio fth 123/DC . case ere sugg estions pro not lead solution fth roblem please the assistance service. Timing Timing protection L
L?_ Timing Timing protection S
[2 Timing Timing protection S2
L?. 13. Thermal memory enabled
4. Temperature out range
1.2. Curve too high
3.
N ote:
1.2.8
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. Exclude not necessary
3 Trip times higher than expected Threshold too high
2. Curve I2t inserted
1. The not connected
1.7
1*.
Error message Description
[a Password error
[a Session impossible programming session cannot started due contingency (e. Correct threshold
2.
2. Warning threshold exceeded
L*.2
2. Situation Possible causes Suggestions
1 The trip test cannot run The busbar current 0
2. Exclude not necessary
4.Error message Description Notes
[a Local Bus Local Bus error See par. The SdZ inserted
1. FN
2. prealarm Protection prealarm
L®.g.6. Contact wear Contact wear prealarm Contact wear 80%
L®. Curve too low
3.
2. FN, see 13. 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.
75/108
. Before consu lting the follow ing table, any error essages appearing som con the display. 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.
3. 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.9.4 Error messages displayed pop-up windows
All the messages that appear the display pop-up window are described below. prealarm Protection prealarm
L*. Check the messages the display
2 Trip times lower than expected Threshold too low
2. Correct curve
3. Correct threshold
2
