indicates norm ratio fth 123/DC . Exclude not necessary
3 Trip times higher than expected Threshold too high
2. case ere sugg estions pro not lead solution fth roblem please the assistance service. Warning threshold exceeded
L*. Temperature out range
1. FN, see 13. prealarm Protection prealarm
L®.
2. Check the messages the display
2 Trip times lower than expected Threshold too low
2. Thermal memory enabled
4. FN, see 13.8
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. Situation Possible causes Suggestions
1 The trip test cannot run The busbar current 0
2.7
1*.
2. Curve I2t inserted
1.Error message Description Notes
[a Local Bus Local Bus error See par. FN
2.
Error message Description
[a Password error
[a Session impossible programming session cannot started due contingency (e. The not connected
1.g. 13. Correct threshold
2. Contact wear Contact wear prealarm Contact wear 80%
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. Correct threshold
2. 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.
No. Exclude not necessary
4. Timing Timing protection L
L?_ Timing Timing protection S
[2 Timing Timing protection S2
L?.2. Curve too high
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.2. Curve too low
3. Correct curve
3.7 tin 123/D unit
The following table lists series typical service conditions, help you understand and solve hypothetical faults malfunctions.6.
75/108
.4 Error messages displayed pop-up windows
All the messages that appear the display pop-up window are described below. Correct curve
3.
3.
N ote:
1. Before consu lting the follow ing table, any error essages appearing som con the display. The SdZ inserted
1.2
2. prealarm Protection prealarm
L*.9
