Technical support
Why is there white coating in the oven?
White coating in the oven cavity may be due to lime or soap residue. Check the water filter capacity and replace if necessary. Clean the oven with a descaler and perform a cleaning cycle. If the problem continues, contact your local service partner.
Why does the oven not produce as much steam as before?
Decrease of steam can be caused by defective heating elements or limescale on the heating elements in the steam generator. Check the water filter capacity and replace if necessary. Descale the steam generator. If the problem continues, contact your local service partner.
How often should I clean my oven with CombiWash?
To maintain efficiency and ensure a high level of sanitation, it is recommended to clean the oven daily. Under the front panel is a spray hose ready to use to clean the oven after it has cooled down.
The oven reports an error, how do I fix it?
Find the troubleshooting guide in the service manual to identify the error.
You can find the service manual for your combi oven here.
Where do I find the serial number on my oven?
The serial number for your combi oven can be found on the rating plate.
The illustration below shows where the rating plate is placed for the different oven types.
How old is my oven?
Identify the production date by using the oven serial number found on the rating plate.
The first part of the serial number identifies the age of the oven.
Serial number example: 210409 – 056206
- 21 = year of manufacture (e.g. 21 = 2021)
- 04 = month of manufacture (e.g. 04 = April)
- 09 = day of manufacture (e.g. 09)
- 056206 = production number
The illustration below shows where the rating plate is placed for the different oven types.
Where do I order cleaning chemicals and filter?
It is recommended that you only use HOUNÖ cleaning chemicals and filters for your HOUNÖ combi oven. You can order the cleaning chemicals and filters directly at our online shop.
Please note:
- Oven damage due to absence of a necessary HOUNÖ PROTECT HydroShield water filter may render the warranty void.
- Oven damage due to lack of regular cleaning with HOUNÖ PROTECT Detergent Intense and Rinse Aid may render the warranty void.
Where do I find the electrical wiring diagrams?
Log in at the service portal to find all wiring diagrams.
You can find the service portal here.
If you cannot find the electrical wiring you need, please contact our Contact our Technical support team.
Telephone: +45 8711 4711
Mail: techsupport@houno.com
Why does the oven door report open when the door is closed?
If your oven door reports ‘open’ when the door is closed, you need to perform a door calibration. It is an easy and simple procedure done on the ovens touch panel. Follow these few steps and your combi unit is ready to be used:
- Go to ‘Settings’ in the upper right corner on the touch panel
- Select ‘Super user’
- Select ‘Calibrate’
- Select ‘Calibrate front door’
- Click on ‘Start calibration’
The oven door is now calibrated, and you can go back to the main menu.
If the error persists, please contact your local service provider.
How to change from left-hinged door to right-hinged door?
What is the correct use of the door handle on 1.16, 1.20 & 2.20 roll-in models?
Other FAQs
