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- Page 5 of 7 -
Order No. 34137
FAULT CONDITION TESTS
P
Ambient temperature
24 - 26 °C
Rated voltage
230V~ 50Hz
Remarks
-
Comp.
No
No
Fault Test
V
Short
current
current
Test
time
time
Fuse No
Current
through
fuse
through
fuse
Mains power/temperatures/results
Fan
(Main
heat-sink
installed)
heat-sink
installed)
Locked
254,4
-
6 hr
F907
1,79 A
Normal operated.
The components are heated up to:
- Main transf. pr. winding : 74K
- Main transformer core : 58K
- Sub transf. pr. winding : 58K
- Sub transformer core
The components are heated up to:
- Main transf. pr. winding : 74K
- Main transformer core : 58K
- Sub transf. pr. winding : 58K
- Sub transformer core
: 48K
- D991 body
: 58K
- PWB near D991
: 62K
- Q803 body
: 58K
- PWB near Q804
: 56K
- Main Heat-sink
: 65K
and stabilised.
Dielectric strength test OK.
No hazard.
Dielectric strength test OK.
No hazard.
Top cover
opening
opening
Blocked
254,4
-
20 min.
F907
1,79 A
The components are heated up to:
- Main transf. pr. winding : 69K
- Main transformer core : 57K
- Sub transf. pr. winding : 56K
- Sub transformer core
- Main transf. pr. winding : 69K
- Main transformer core : 57K
- Sub transf. pr. winding : 56K
- Sub transformer core
: 51K
- D991 body
: 70K
- PWB near D991
: 73K
- Q803 body
: 75K
- PWB near Q804
: 76K
- Main Heat-sink
: 77K
and Unit shut down after 13 min.
Input current stabilised at 0,013A.
Dielectric strength test OK.
No hazard.
Input current stabilised at 0,013A.
Dielectric strength test OK.
No hazard.
F No = Fault Number, S-c = Short-circuit, Dis = Disconnection
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