Rational Combi Master, Руководство по обучению

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97
SCC
Edition 10-2008a
Service 40
Care pump
Cleanjet not possible
Care pump faulty or does not ll enough care solution into steam
generator;
- After lling of the care solution into the steam generator the CDS sensor
sends too many pulses until the level electrode recognises water.
Check if the hose from the care pump outlet is not cinqued;
- Cleanjet nishes without care phase;
- Reset error by pressing key: „Check Care Funktion“ after repair;
- Solenoid valve Y3 defective or moistening valve blocked; CDS does not
send any pulses;
- Reset error by successfull CDS measuring during next Cleanjet start;
- Solenoid Y4 Care defective or hose to care container vlocked or kinked;
CDS does not send any pulses;
- Reset error by successfull CDS measuring during next Cleanjet start;
- CDS sensor sends always pulses; Solenoid Y1, Y3 or Y4 is passing
water
- Reset error by successfull CDS measuring during next Cleanjet start
(Self test)
- No temperature raise during recognised by B5 during steaming time
while being in Cleanjet phase
- Reset error by successfull B5 tempoerature measuring during next
Cleanjet;
Power remained present on fan motor when unit was switched off
last.
Main conatctor didn‘t disengage or ON/OFF switch on pcb defec-
tive;
To clear error message: isolate unit from power, switch pcb OFF,
change contactor or pcb, reconnect to power (wait 1 minute),
switch pcb ON.
- Malfunction of SC pump during the time when Care solution was inside
the steam generator,
- Reset error by successfull completing a cleanjet abort cycle;
- After operating care pump M12 (fi lling care solution into steam generator) and
topping up with water the level electrode does not recognise water;
- Care Pump M12 or level electrode defective;
- Display only after twice starting lling solenoid Y1 yet no water is detec-
ted;
- Reset error by successfull completing a cleanjet abort cycle;
Service 41
Solenoid valve Y3
Maintenance needed
Service 42
Solenoid valve Y4
Service 43
CDS sensor
Service 44
Steam heating / B4
Service 100
Main contactor - pcb on off switch
No function
Isolate unit from mains
Service 11ß
SC pump
Unit without function
Service 120
Care pump, level electrode
Unit without function