Fault Rectification - Siemens 3WX3666-7JA00 Instructions Manual

Fault Rectification

Fault
The yellow "TRIPPED" lamp is lit
The "MAIN READY" lamp or "GEN.
READY" lamp is not lit even though
mains supply or emergency supply is
present
Method of Operation
0
G
AUT
Off
Normal or emergency supply present
QN: QG:
Off Off
Technical Data
8
The action required for the rectification of faults is shown in the following table
Cause
One of the two circuit-breakers
has tripped as a result of
overcurrent.
A circuit-breaker (QN1 or QG1)
in the transfer control device
has tripped.
The functions of the transfer control device are shown in the following diagram:
0
G
AUT
Normal supply
Normal supply present
QN: QG:
On Off
Normal supply fails and
emergency supply present
QN: QG:
On Off
Return of normal supply
QN: QG:
On Off
Degree of Protection
Weight
Voltage variation
Frequency variation
Contact transfer time
Transfer time
Return transfer time
Break time
Ambient temperature
Storage temperature
Action
Press RESET on the relevant circuit-breaker
after rectification of the fault. Press RESET on
the transfer control device (for approx. 1 s)
until the lamp goes off.
Switch the relevant circuit-breaker on after
checking and correcting any fault.
0
G
AUT
Automatic
Normal supply present
QN: QG:
On Off
*)
Normal supply or 1 Phase
and emergency supply present
Delay ≥ T1?
(1,5 to 30 s)
Yes
QN: QG:
Off On
Return of normal supply
Delay ≥ T2?
(5 to 100 s)
Yes
QN: QG:
On Off
*)
Single phase monitoring
IP40
Ca. 10 kg
0 to 0.55 Ue
Not monitored
200 ms + T1, adjustable (1.5 s to 30 s)
+ emergency supply run-up time
200 ms
200 ms + T2, adjustable ( 5 s to 100 s)
65 ms
-25 to +55°C
-50 to +80°C
0
G
AUT
Emergency supply
Emergency supply present
QN: QG:
Off On
Return of normal supply
fails
QN: QG:
Off On
No
Emergency supply fails
QN: QG:
Off On
No