Rational SCC Line User Manual

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S
Fault List SCC
No function - safety chain
No function
Power supply ok?
Check main fuse of the
power supply and earth
leakage breaker
Fuse F1/F2 and
contactor K1 ok?
Replace defective part
and find reason for tripping
Press dry up protector of steam
generator
no
no
Is unit on now
Check steam heating
elements, SSR, water
supply, scale build up
yes
Press safety thermostat of interior
cabinet
Is unit on now
Check SSR, hot air
heating element
yes
Input voltage at control
transformer T1 present
Check cable and
connector
Is green LED on
I/O pcb on
12 V supply at X14 pin
3 and 4
present
Check I/O pcb
yes
yes
no
no
yes
yes
Check control transformer
cable and connector
no
Is green LED on
processor pcb on
no
yes
Check bus cable between
I/O and processor pcb
(X51)
Check processor pcb
no
Input voltage at connector
X1 (2,5V) of control pcb
present
y
es
Check control transformer
cable and connector
no
Check/change processor
pcb
no
Is main switch S1 working?
Check switch,
Change pcb if necessary
y
es
no
Ribbon cable between
operator and processor
pcb connected correctly?
Check cable and
connection
no

Rational SCC Line Specifications

General

Brand	Rational
Model	SCC Line
Category	Grill
Language	English