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 2
N o C o n v e c t i o n H e a t ( 1 P H )
Is N-6 oven temperature
probe below set point?
Is K-41 contactor coil
energized?
Is K-41 contactor closing?
N-6 must be below set
point
No
Yes
Yes
No
L1/A1 from RBH X4/412,
L2/A2 from N7 high limit
No
Yes Replace K-41 contactor
L1/1 from TB 1, L2/3 from TB 3
Is voltage across terminals
1/3 on K-41 contactor?
No
Is voltage across terminals
2/4 on K-41 contactor?
Replace K-41 contactor
Is E-41 drawing current
on all legs?
Ohm out E-41 element and
replace if necessary
Is voltage across 3-4 and
2-5 on E-41 convection
elements?
Repair wiring between K-41
and E-41
Convection cycle is
operating
No
Yes
Yes
No
No
Yes
Yes