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| Electronics | |||||
| EA | control circuitry | EL | logic inputs/outputs | EV | short-circuit/earth-short monitoring |
| EB | regen circuit | EM | mechanics | EW | I²t monitoring |
| ED | analog circuitry | EN | fan | EX | BTB/RTO signal circuit |
| EE | output stage | EP | IPM output stage | EZ | DC-bus (DC-link) |
| EG | basic p.c.b. / control card | ER | Feedback inputs | EF | no fault |
| EH | aux. voltages | ES | SMPS | EY | other |
| EI | current measurement | ET | driver stages | ||
| EK | custom print | EÜ | monitoring circuit | ||
| Accessories | |||||
| Z1 | Option -01- | ZE | front panel | ZR | ROD 426 interface |
| Z2 | Option -02- | ZG | 19" module/ compact case | ZS | SSI interface |
| Z3 | Option -03- | ZH | case/housing | ZT | PROFIBUS interface |
| Z4 | filter | ZI | keyboard | ZU | CAN interface |
| Z5 | Option -RLG- | ZK | compact case | ZV | digilink |
| Z9 | Option -CL- / -VL- | ZL | brake control | ZW | BIT CONNECT |
| ZA | PC-interface | ZM | Display | ZX | PULSE CONNECT |
| ZB | regen circuit | ZN | Encoder output | ZF | no fault |
| ZC | resolver-digital converter | ZO | connector / terminals / cables | ZY | other |
| ZD | DSP | ZP | backplane p.c.b. | ZZ | MODBUS interface |
| ZQ | SERCOS interface | ||||
| Component faults | |||||
| ICs | Adjustment and control components | Electr. components + accessories | |||
| 07 | brake switch | 20 | trimmer pots | 34 | diode / zener diode |
| 08 | A/D- D/A converter | 21 | control pots | 35 | varistor / suppressor diode |
| 09 | PAL / GAL / CPLD / LCA | 22 | operating keys/buttons | 36 | FET |
| 10 | RAM | Electrical connections | 37 | crystal oszillator | |
| 11 | ROM / EPROM / EEPROM | 60 | connectors/terminals | 38 | capacitor |
| 12 | module / hybrid | 61 | solder joints | 39 | electrolytic ( also tantalum) |
| 13 | processor | 63 | screwed connections | 40 | resistor |
| 14 | interface components | 64 | links, short circuit | 41 | transformer |
| 15 | op-amp | 66 | track defects | 42 | inductance / coil |
| 16 | voltage regulator | 67 | bad contacting | 43 | shunt / power resistor |
| 17 | driver components | 69 | cable and other conductors | 44 | fuse |
| 18 | optocoupler | Mechanical | 45 | fan | |
| 19 | other ICs | 73 | bent / distorted / dented | 46 | relay |
| 85 | paint / surface | 47 | DC-bus inrush circuit | ||
| Others | Electr. components + accessories | 48 | transformer | ||
| 97 | wrong/missing packaging | 30 | LED | 50 | p.c.b. fault |
| 98 | no fault | 31 | power transistor | 55 | heat sink |
| 99 | Described Error not determined | 32 | transistor | 56 | front panel and fixing |
| 00 | other | 33 | rectifier | ||
| Fault causes | |||||
| General faults | Customer faults | Manufacturing faults | |||
| F | part missing | K0 | autotransformer used | H0 | KVP |
| W | mistaken/wrong part | K1 | connection fault | H1 | wrong component assembly |
| FF | effective error | K2 | incorrect usage | H2 | assembly fault |
| M | incorrect assembly | K3 | contamination | H3 | out of tolerance |
| D | material defect | K4 | overheating | H4 | wrong module/ controller type |
| N | no details | K5 | faulty application | H5 | wrong component |
| S | other | K6 | attempted/faulty repair | H6 | coding, setting, basic adjustment |
| T | transport damage | K7 | custom print missing | H7 | circuit diagram / component layout |
| UH | hardware adaptation | K8 | corrosion / chem influences | H8 | other documents / nameplate |
| US | software adaptation | K9 | other | H9 | other |
| PC | Wrong program / parameter set | ||||
| Repair operations | Procedure | ||||
| Kollmorgen Europe GmbH | R | return | W | goods-inwards testing | |
| S0 | faulty repair | U | rebuild | V | precautionary |
| S9 | other | ER | external repair | X | irreparable / scrap |
| SEE | E | replacement, | Y | other | |
| A0 | faulty repair | EN | - because irreparable | V50 | p.c.b. replaced |
| A9 | other | EV | - precautionary, not ex-gratia | ||
| Cost center | |||||
| G | warranty | K | fair dealing | B | to be invoiced |
Note: If the fault designation OTHER is used, an additional description is always required.
