Rational iCombi Classic Troubleshooting

1
Service error: 12
V03 · 05/2021 · RTS/Shof · en-GB
Error tree: CDS sensor not emitting a signal
Service error: 12
Unit type: iCombi
Check the connector on the solenoid valve block and
I/O board, check the CDS sensor signal in the
diagnostic program (pulse counter)
Open the tap, clean the dirt filter in the
water inlet
Is the water pressure on the hand
shower OK?
Yes No
Is the pulse quantity
1360 pulses for iCP
1360 pulses for iCC,
1000 pulses for XS?
Replace the solenoid valve block
Art. 50.02.012 (5x solenoid valve block for iCombi Pro 20 1/1, 20 2/1
Art. 50.02.054 (5x solenoid valve block for iCombi Pro 6 1/1 - 10 2/1
Art. 50.02.102 (3x solenoid valve block + Care for iCombi Classic 6 1/1 - 10 2/1
Art. 50.02.103 (2x solenoid valve block for iCombi Classic 6 1/1 - 10 2/1
Art. 50.02.104 (3x solenoid valve block + Care for iCombi Classic 20 1/1 - 20 2/1
Art. 50.02.105 (2x solenoid valve block for iCombi Classic 20 1/1 - 20 2/1
If an error 42.1 - 4 was also triggered, reset the error via Cleanjet module test.
No

Rational iCombi Classic Specifications

General

Model	iCombi Classic
Material	Stainless steel
Cooking Modes	Convection, Steam
Temperature Range	30°C to 300°C
Capacity	10, 20
Power Supply	400V 3-phase
Power Consumption	Varies by model
Dimensions	Varies by model
Weight	Varies by model
Cooking Levels	10, 20, or 40