9 Trouble-shooting 9.1 What to do if … This section lists faults that can be solved simply by following the instructions given. If another fault is displayed or the fault cannot be remedied, please call Customer Services.  Before calling Customer Services, please note down the serial number (FN) and the error message in full, e.g.  xx / xxx . 52 Possible cause Solution • The foreign body trap is clogged. • The circulation nozzle is clogged. Resolve the cause of the problem. Cancel the error message by pressing the   button. Restart the programme.  Possible cause Solution • The foreign body trap or drain pump is blocked. • The drain hose is bent or kinked. • Building-wise, the drain or drain trap is blocked. Resolve the cause of the problem. Cancel the error message by pressing the  button. Restart the programme.  ... in the displayappears ... in the display appears