![Siemens 3WX3666-7JA00 Instructions Manual Download Page 8](http://html.mh-extra.com/html/siemens/3wx3666-7ja00/3wx3666-7ja00_instructions-manual_377427008.webp)
8
Fault Rectification
The action required for the rectification of faults is shown in the following table
Method of Operation
The functions of the transfer control device are shown in the following diagram:
Technical Data
Degree of Protection
IP40
Weight
Ca. 10 kg
Voltage variation
0 to 0.55 Ue
Frequency variation
Not monitored
Contact transfer time
200 ms + T1, adjustable (1.5 s to 30 s)
+ emergency supply run-up time
Transfer time
200 ms
Return transfer time
200 ms + T2, adjustable ( 5 s to 100 s)
Break time
65 ms
Ambient temperature
-25 to +55°C
Storage temperature
-50 to +80°C
Fault
Cause
Action
The yellow "TRIPPED" lamp is lit
One of the two circuit-breakers
has tripped as a result of
overcurrent.
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.
The "MAIN READY" lamp or "GEN.
READY" lamp is not lit even though
mains supply or emergency supply is
present
A circuit-breaker (QN1 or QG1)
in the transfer control device
has tripped.
Switch the relevant circuit-breaker on after
checking and correcting any fault.
G
0
AUT
Normal or emergency supply present
QN:
Off
QG:
Off
Off
Normal supply present
QN:
On
QG:
Off
Normal supply
G
0
AUT
Normal supply fails and
emergency supply present
QN:
On
QG:
Off
Return of normal supply
QN:
On
QG:
Off
Normal supply present
QN:
On
QG:
Off
Automatic
Normal supply or 1 Phase
*)
fails
and emergency supply present
QN:
Off
QG:
On
Return of normal supply
QN:
On
QG:
Off
G
0
AUT
Delay
≥
T1?
(1,5 to 30 s)
Delay
≥
T2?
(5 to 100 s)
Emergency supply present
QN:
Off
QG:
On
Emergency supply
G
0
AUT
Return of normal supply
QN:
Off
QG:
On
Emergency supply fails
QN:
Off
QG:
On
Yes
No
Yes
No
*)
Single phase monitoring