Write down the error number and a few keywords about what was done before the error occurred. If possible, take a photo with your mobile phone. Some faults are referenced in the operating instructions, see p.38. As with all technical devices, it’s advisable to switch the machine off and on again using the rotary switch on the side. Some faults are already solved by this. For contacting your relevant service hotline or support: Write down the Qeamer serial number. You will be asked for it.