Alto-Shaam 4-20 ESi, Техническое и сервисное руководство

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T R O U B L E S H O O T I N G T R E E S
T
R O U B L E S H O O T I N G
T
R E E S
s #
/ - " ) 4 ( % 2 -
# 4 %
8 0 2 % 3 3
4
% # ( . ) # ! ,
3
% 2 6 ) # %
-
! . 5 ! ,
s $ n 32
N o B r o w n i n g B a r H e a t ( 3 8 0 - 4 1 5 V , 3 P H )
Is K-61 Browning Bar
contactor energized?
Is L1/L2/L3 power across
terminals 1/3/5 on K-61
contactor?
Is L1/L2/L3 power across
terminals 2/4/6 on K-61
contactor?
A1/L1 supplied from RBH/
X3/306, L2 supplied from
N7 high limit
No
Yes
Yes
No
L1/L2/L3 supplied from
K-77 contactor
No
Yes
Replace K-61 contactor
Repair wiring between K-61 and
F20/21/22 fuses
Is L1/L2/L3 power across
terminal 1 of F20/21/22 fuses?
No
Is there L1/L2/L3 power
across terminal 2 of
F20/21/22?
Replace blown fuse(s)
Is Browning Bar element
drawing current?
Ohm out Browning Bar element
and replace if required
Is power across terminals
1/6 and 2/5 and 3/4 on E-61
browning element?
Repair wiring between F20/21/22
and Browning Bar element
Browning Bar element active
No
Yes
Yes
No
No
Yes
Yes