6Version date: March 26th 201822Operator ManualNA 9328 Prof XL pump6 Faults6.1 IntroductionYou will probably be able to resolve some of the faults yourselfwithout difficulty. First try to remedy faults yourself using theinstructions in this manual before contacting the dealer.6.2 Messages on displayThe following messages can appear on the display:Message ProblemE02 Overloading of the cooling compressor.E03 Machine cannot discharge the hot air.E04 Overloading of the mixing apparatus motor.E05 Temperature does not rise during pasteurising.E06 Temperature in the cylinder is too high during pasteurising.E07 Temperature in the mix tank is too high during pasteurising.E08 Temperature in the cylinder is too high during defrosting.E09 Overheating of the cooling compressor.E10 Microswitch of the piston stays operated. Close the pistoncompletely with the dispensing handle.E11 Measurement error of temperature sensor H in cylinder.E12 Measurement error of temperature sensor F in cylinder.E13 Measurement error of temperature sensor G.LO Balance in cylinder disturbed; see faults table for remedies.Resetting error messagesTo reset an error message, switch off the machine using the emergency stopbutton, wait 10 seconds and switch the machine back on (see chapter 5.4 -’Emergency stop’ on page 20).If the error message remains, please contact the dealer.