Convotherm OES / OEB / OGS / OGB easyTOUCH
Combi steamer with injection (S) or boiler (B) steam. Each error shows a running error number, the E code, an ID number, date, time, a short description and the service phone number.
What it is: Combi steamer. Electric (OES spritzer, OEB boiler) and gas (OGS, OGB) units with the easyTOUCH screen.
Convotherm OES / OEB / OGS / OGB easyTOUCH error codes
| Code (ID) | Meaning | Likely cause | What to do |
|---|---|---|---|
| E01.0 (33) | Not enough water (in the steam generator on boiler units) | Water supply closed or low | Open the water supply; call service if it stays. |
| E01.1 (34) | Steam generator takes too long to fill | Water supply | Open the water supply; call service. |
| E02.0 (24) | Wiring compartment too hot | Blocked fluff filter or air intake | Clean the fluff filter on the oven floor and clear the air intake in the base. |
| E03.0 (29, 35, 72) | Fan fault, motor thermal cut-out tripped, or frequency converter fault | Supply, fan motor, converter | Check the building fuse; call service. |
| E04.0 (36) | Secondary fan fault in the electrical compartment | Fan, blocked intake | Clean the fluff filter and air intake; call service. |
| E05.x (30, 52–54) | No gas | Gas tap closed, air in the line | Open the gas tap and let the pipe fill (start convection twice); call service. |
| E11.0 (23) | Oven sensor reading too high | Sensor / control | Call service. |
| E12.1–E12.4 (25–28) | Core probe reading too high | Probe badly placed | Re-position the core probe. |
| E13.0 (20) | Steam generator sensor reading too high | Scale, low water | Rinse the steam generator; call service. |
| E14.0 (22) | Bypass sensor reading too high | Water supply | Check the water supply; call service. |
| E15.0 (21) | Condenser sensor reading too high | Water supply | Open the water supply; call service. |
| E21.0 / E21.1 (5 / 14) | Oven sensor B6 open circuit / ground fault | Sensor or wiring | Call service. |
| E22.1–E22.4 (6–9) | Core probe open circuit | Probe or plug | Call service. |
| E23.0 / E23.1 (2 / 11) | Steam generator sensor B4 open circuit / ground fault | Sensor or wiring | Call service. |
| E24.0 / E24.1 (4 / 13) | Bypass sensor B5 disconnected / ground fault | Sensor or wiring | Call service. |
| E25.0 / E25.1 (3 / 12) | Condenser sensor B3 open circuit / ground fault | Sensor or wiring | Call service. |
| E26.0 / E26.1 (1 / 10) | Thermal cut-out B8 open circuit / ground fault | Cut-out or wiring | Call service. |
| E27.0 (19) | Thermal cut-out B8 reading too high | Overheat | Call service. |
| E29.1–E29.4 (15–18) | Core probe ground fault | Probe or cable | Call service. |
| E33.0 (45) | Steam generator malfunction | Thermal cut-out N7 tripped | Service must test and reset cut-out N7. |
| E34.0 (46) | Steam generator pump does not start | Pump | Unplug for about 10 s and restart; turn off steam generator rinsing and call service. |
| E83.0 (47) | Cooking function not allowed | Program data | Re-enter the cooking program; call service. |
| E89.1 (48) | Invalid data in the identification module (IDM) | IDM | Unplug for about 10 s and restart; call service. |
| E96.0 (30) | Communication error | Internal comms | Unplug for about 10 s and restart; call service. |
| E99.x (32) | General start-up (initialization) error | Control | Unplug for about 10 s and restart. |
Other useful key presses
| Task | How |
|---|---|
| Screen frozen 10–20 s | Hold ON/OFF for 5 s, or disconnect the mains for 5 s. |
| Cannot switch on or off | ON/OFF locks for 3 s after use. Try again after 3 s. |
For licensed technicians only. This equipment can involve mains voltage, high-voltage microwave circuits, gas and refrigerant. Isolate power (and gas) before opening panels, follow the manufacturer's manual and your local licensing rules (for example ARC refrigerant handling and electrical or gas licences). Wrong settings can spoil food or damage equipment. Check every value on the unit in front of you before changing it.
Based on: Convotherm OES/OEB/OGS/OGB easyTOUCH user manual (Troubleshooting chapter). Always check the manual for your exact model and software version.
ServiceModes is not affiliated with Convotherm or any other manufacturer. Written in our own words from the manufacturer's documentation.