Rational iCombi Pro Troubleshooting Manual page 9

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.
Run the wastewater pump in the functional test for
10 seconds
Activate the circulation pump in the
functional test. Is the pump running?
Yes
Is there enough water coming out of the
nozzle?
Yes
Check the function of the fan motors
Service error: 25
Water connection OK?
Yes
Is the drain sieve in the cabinet clean?
Yes
Yes Is the cooking chamber door ok?
Is the voltage output available on pump
No
board X4?
Are the circulation pump and associated
No
water pipes tight?
Yes
Is the cleaning pipe free?
Yes
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?
Yes
Reset errors by starting express cleaning
1
No Check water filter, pressure and hoses
No Clean the drain sieve
Check door seal and trolley seal (floor units). Check
No
Check the cables and connectors on the pump board
No
Replace faulty parts
No Replace faulty parts
Disconnect the hose from the circulation pump and spray into
the cleaning pipe from the cooking chamber using the hand
No
shower
-> if no water comes out of the back, clean the pipe
No
door setting.
and pump.
Fault reset with quick cleaning
Clean cleaning box
Yes
V03 · 05/2021 · RTS/Shof · en-GB