Troubleshooting BR/BD 100/250 R BP / RIPage 150 / 171 Service Manual 08.2007xDescriptionof moduleyErrornumberBrief description/Error descriptionPotential causes6 = Accessories module (A5)0 Module supply is notbetween 12V..14V /Logic and driver supplyis out of tolerance/ ismissing.– Voltage drop in DC/DC conver-ter during operation.– Voltage of DC/DC converter isout of tolerance.SynonymousRun timeerrorZ1/1221 Power supply is notbetween 14V...50V /Missing load circuitsupply.– Main relay coil (K1) is open.– Fuse for module supply line isburned through.– Wire break of the +- module sup-ply.– Defective downloading electro-nic unit at drive module.Z1/1212 Excess module tempe-rature /Temperature in load cir-cuit stage has exceededthe approved value.– All consumers operate at the cur-rent limit (light, valves...).– Defective cooling fan.– Cooling vents are plugged.Usermessages3 Correctable error in theparameter memory /System parameter CRCis incorrect during thestorage of new parame-ters for E2 PROM.– Problems with the electromagne-tic compatibility (EMC).– Premature power failure duringthe key switch shutdown.Z1/1014 Missing load circuitvoltage at Power OnVoltage of downloadingelectronic unit is below10V.– Refer to y=1– Short-circuited load circuit sup-ply line behind the main contac-tor.Z1/1216.3 Error memory6.3.6 Significant errors (Accessories module A5)
