6 Troubleshooting
Training manual Convotherm 4 89
6.2 Software error messages - summary
Overview
The control electronics of the Convotherm 4 includes a self-test system, which displays an error code
on the UI-board display when a fault occurs. easyTouch appliances also display a short description of
the fault.
Error number Description
E00.0 No error
E01.x Low water
E01.1 Not enough water in the boiler
E01.1.1 Limescale in boiler
E01.2
Water injection not working properly for steam genera-
tion
E01.3 Flowmeter error
E02 Temperature in wiring compartment too high
E03.0.x E03.1.x E03.2.x
Fan error, cooking chamber
E05.0.x E05.1.x E05.2.x E05.3.x Gas error
E10 Error from water filter
E21.x Oven sensor error
E22.1.x E22.2.x E22.3.x E22.4.x Core temperature probe error
E22.5.x Sous-vide sensor error
E23.x Boiler sensor error
E24.x Bypass sensor error
E25.x Error from drain temperature sensor
E26.x Boiler safety thermostat error
E27.x Steam reduction sensor error
E27.4 No temperature drop
E28.1.x
Error from SSR temperature sensor for cook-
ing-chamber heating element
E28.2.x
Error from SSR temperature sensor for boiler heating
element
E30.x Error from drain temperature sensor
E31.0 Thermal cutout has tripped
E33.0 Heating fault in boiler
E34.0 Error from boiler drainage pump
E35.0 Error from CS-chamber drainage pump
E58.0 Error from cleaning-agent dispensing pump
E59.0 Error from rinse-aid dispensing pump
E60.0 Circulation pump error
E61.0 Steam saturation error (cleaning)
E62.0 Cleaning: pressure switch error
E63.0 Water injection: pressure switch error
E70.0 E70.1
Main contactor error / ST
E71.x Door contact switch error
E72.1 Grease filter error (float switch)