Troubleshooting BR/BD 100/250 R BP / RIPage 136 / 171 Service Manual 08.20076.2.3 Lifting module (A4) and Cleaning module (A3) error messagesModule involved: A3, A4Module clone: Currently up to 2 lift modules and up to 2 cleaning modules areoptionally possible.Display code: Hy/xxx for errors/warnings xxx of lift module y=(1, 2) Cy/xxx for errors/warnings xxx of cleaning module y=(1, 2)C1 = Cleaning module clone A3 for scrubbing and vacuumingC2 = cleaning module clone A3/1 for pre-sweepingH1 = lift module clone A4 for scrubbing and vacuumingH2 = lift module clone A4/1 or A4/2 for pre-sweepingModule FaultclassificationDisplay code ActionC Irreparable me-mory errorCy/001 1. Replace A3 clone concerned.Hy/001 1. Replace A4 clone concerned.Supply of printedcircuit board isincorrectHy/011 1. Check if 13 – 14 V are present at A4/X3-1, in thiscase replace A4 clone concerned.2. Search for fault in bus line 1 or at A1/X4-1.HFault detected injumpers of liftingmotorsHy/022 1. Disconnect lifting motor (M20) A4/X5-2,6.2. Perform key switch (S0) reset. If the errorremains,3. Disconnect lifting motor (M30) A4/X4-2,6.4. Perform key switch (S0) reset. If the errorremains,5. Replace A4 clone concerned, otherwise 6. searchwhere the chassis erroneously has a connectionto the battery ground. Eliminate this connection.7. Remove coal dust from lifting motors (M20,M30)A4/X5,X4.8. If necessary, replace motors.Fault detected injumper of sidebrushHy/023 Refer to Hy/022, steps 3-8, however, for A4/DR3.Temperaturesensor isdefectiveHy/031 1. Betreffenden A4-Klon tauschen.C Error whenstoring setupparameters incleaning moduleCy/101 1. Change menu in parameter setup.2. Change the setup of cleaning module (A3).3. Attempt to change M4” to another motor typevalue.4. Leave setup, save and acknowledge.5. Perform key switch (S0) reset.6. If the error remains, replace A3 clone in question.Otherwise:7. Produce the original parameters in the setupmenu.
