T R O U B L E S H O O T I N G T R E E S
MN-36008 (Rev. 8) 01/16 • COMBITHERM CT EXPRESS • D-10
N o S t e a m O p e r a t i o n ( 3 8 0 - 4 1 5 V , 3 P H )
Is controlling probe below
its set point?
Is Y1 solenoid being
energized?
Controlling probe must be
below set point for steam
production to take place
No
Yes
Yes
No
No
Yes
L1/A1 supplied from
RBH X4/408, L2
supplied from TB 12
Replace Y1 solenoid
Is Y1 solenoid opening?
No
Is water flowing from Y1
to flow control valve inlet?
Repair obstruction between Y1
and flow control valve inlet
Is water flowing from
flow control valve outlet
to injection pipe inlet?
Repair obstruction between flow
control valve and injection pipe
Is water flowing through
flow control valve?
Repair/replace flow control
valve as required
Is injection pipe clear of
debris?
No
Yes
Yes
No
No
Yes
Yes
Repair/replace injection pipe
Is K-41 contactor closing?
No
Yes
Is water flowing into the
center of the fan wheel?
Repair injection pipe/
disintegration box as required
No
Yes
Is K-41 contactor coil
energized?
L1/A1 from RBH X4/412, L2/A2 from N7 high
limit through A2 on K-42 contactor
No
Yes
Is voltage across terminals
1/3 on K-41 contactor?
Yes
No
No
No
Yes
Replace K-41 contactor
L1/L2 supplied from
TB 1/3
Is L1/L2 voltage across
terminals 2/4 on K-41
contactor?
Replace K-41 contactor
Yes
Yes
Is L3 power at terminal 5
of K-42 contactor?
No
Is water connected
to the oven, turned on and
operating at pressures
between 30-90 psig?
Connect water,
turn on, or correct
pressures and retest
Replace K-42 contactor
No
Steam cycle is operating
Yes
Is K-42 contactor coil
energized?
A1/L1 supplied from RBH X4/410, A2/L2
supplied from N7 high limit through K-61
N/C contacts (if Browning Bar option)
Is L3 power at terminal 6
of K-42 contactor?
L3 supplied to K-41/6
from TB 5
No
Yes
Is voltage across E-41
convection elements?
Repair wiring between
K-41 and E-41
Is E-41 drawing current on
all legs?
Ohm out E-41 element and
replace if necessary
No
No
Yes
Yes
Содержание CT EXPRESS 4 10ESi
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