Rational SCC Series User Manual

157
Trouble shooting SCC
Edition 10-2008a
Service 25 (Cleanjet Pump)
CleanJet does not deliver enough water to the fan wheel of the motor.
Typical indication: The running time of the program will be exceeded.
Check correct position of left rack and / or oor unit trolley!
Indication Service 25
Check water  lter, pressure,
supply line.
NO
YES
Water supply suf cient?
Does the water jet hit
the 3rd or 4th left rack inside
the cabinet?
Check correct positioning of left rack,
straight alignment of  oor unit trolley
NO
NO
YES
YES
NO
Is cabinet door leak tight?
Check door gasket and
trolley gasket (only  oor models).
Check door for correct adjustment
Output voltage of I/O
pcb X18 3/4 present?
Output voltage of I/O
pcb X19/5 present?
Check ball valve and change if
necessary
Check pump, cable and connec-
tor, change defective part
Change fuse of I/O pcb or pcb.
YES
YES
Activate CleanJet-Pump
(M6) in the function test.
Is pump running?
Activate solenoid valve
quenching (Y2) in the func-
tion test.
Function ok?
Program was  nished
completely? (enough water
is coming out of the nozzle, fan
motor reduces speed)
CleanJet-Pump and
corresponding water sup-
ply lines leak tight and pipes
clean?
Remove all grids and containers
from interior cabinet, Install air
baf e correctly.
Start a CleanJet-program.
Failure appeared because of
miss handling. Inform customer of
correct handling.
Change fuse of I/O pcb or pcb.
Test valve, cable and connector, if
any part is defective change it.
Check quenching box and nozzle
for scale, descale if necessary
Eliminate leaks and/or dirt.
NO
YES
NO
NO
NO
NO
YES
YES

Rational SCC Series Specifications

General

Brand	Rational
Model	SCC Series
Category	Commercial Food Equipment
Language	English