Troubleshooting454 Service Instructions 755 A/756 A - 00.0 - 02/2019Error code 2000-2999: Error messages motors2101 Step motor transport clamptimeout reference• Cable to reference switchdefective• Reference switch defective• Replace cable• Replace reference switch2102 Step motor transport clampoverload• blocked/sluggish, defective• Control defective• Fix blockage• Check encoder cable and replace,if necessary• Replace step motor2103 Step motor transport• Step motor transport clamp(transport clamp) has step lossCheck seizing of the transport clamp2121 Transport clamp step motor:• Encoder plug (Sub-D, 9-pin)not connected or defective• Encoder defective• Check the encoder cableconnection and replace encodercable, if necessary2122 Pulse wheel search time out • Check connection cables• Check step motor for stiffmovement2130 Transport clamp step motor notrespondingStep motor card defective• Perform software update p. 431• Replace step motor card• Replace control2152 Step motor transport clampexcess current• Replace transport clamp stepmotor• Replace control2153 Step motor transport clampexcess voltageCheck mains voltage2155 Step motor transport clampoverload• defective/seized up• defective• Control defective• Eliminate seizing/stiff movement• Replace step motor• Replace control2156 Step motor transport clampoverheat• Step motor transport clampseized up• Faulty step motor transportclamp• Control defective• Eliminate seizing• Replace transport clamp stepmotor• Replace controlError code Symbol Meaning Remedial action
