Rational iCombi Classic Troubleshooting

1
Service error: 40
Error tree: Care pump does not pump enough care solution into the steam generator
Service error: 40
Unit type: iCombi Pro
V03 · 04/2021 · RTS/Awei · en-GB
Display Service 40
Replace care pump
Is the water connection ok? Check water filter, pressure and hoses
The care pump can be controlled in the functional test
Logic errors
Check plug and cable or replace the circuit board
- Hose kinked/blocked at the pump outlet or pump blocked
- Foreign body blocked connecting piece of the care container to the
pump.
- Connection hose CWB to steam generator blocked
- Connection supports SCP to steam generator blocked
Check voltage 100V at X3 pump board to care pump. Is the pump
connector connected to the circuit board and pump?
Care pump does not pump enough care solution into the steam generator;
(CDS sensor detects that the subsequent filling volume is too high due to Y1 up to the level electrode)
Voltage supply over
Check auxiliary contact K1
Reset faults by successfully running the rinsing programme.
Reset errors with Start: Functional test CleanJet in Service Mode
Yes
No
No
Yes
No
YES No
Yes

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