Rational iCombi Classic Troubleshooting

1
Service error: 25
V03 · 05/2021 · RTS/Shof · en-GB
Error tree: The water quantity during cleaning is insufficient
Service error: 25
Unit type: iCombi
Circulation pump does not perform or does not
perform sufficiently (water loss during cleaning) or
no power increase on the fan motor.
Check water filter, pressure and hosesWater connection OK? No
Is the drain sieve in the cabinet clean? Clean the drain sieveNo
Is the cooking chamber door ok?
Check door seal and trolley seal (floor units). Check
door setting.
No
Run the wastewater pump in the functional test for
10 seconds
Activate the circulation pump in the
functional test. Is the pump running?
Yes
Yes
Is there enough water coming out of the
nozzle?
Is the voltage output available on pump
board X4?
Yes
Fault reset with quick cleaning
Check the cables and connectors on the pump board
and pump.
Replace faulty parts
NoNo
Yes
Are the circulation pump and associated
water pipes tight?
Check the function of the fan motors
Yes
No Replace faulty partsNo
Is the cleaning pipe free?
Disconnect the hose from the circulation pump and spray into
the cleaning pipe from the cooking chamber using the hand
shower
-> if no water comes out of the back, clean the pipe
Yes
No
Remove the cleaning box and check if the suction and pressure
ports of the circulation pump are clear. Is the flange to the control
box free? Is the odour trap at the entrance of the cleaning box free?
Clean cleaning box
Reset errors by starting express cleaning
Yes
No
Yes
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