HEIDENHAIN Fault Finding & Error Diagnoses at EEC Ltd – Authorised UK HEIDENHAIN Distributors
EEC Ltd carry out fault finding and error diagnoses on DRO, TNC and CNC devices. We initiate a visit by arming ourselves with information about the device and wiring requirement. Here are a few examples of HEIDENHAIN faulting finding and error diagnoses.
![Encoder error message - C310 Z1 track Y error Heidenhain ERN 1387 error](https://eec-ltd.org/wp-content/uploads/2021/08/Encoder-error-message-1024x768.jpg)
Encoder error message – C310 Z1 track Y error Heidenhain ERN 1387 error
![Spindle Drive - Heidenhain UM113D](https://eec-ltd.org/wp-content/uploads/2021/08/Spindle-Drive-764x1024.jpg)
Spindle Drive – Heidenhain UM113D details required for quoting Service Exchange
![Siemens ER Modual](https://eec-ltd.org/wp-content/uploads/2021/08/Siemens-ER-Modual-764x1024.jpg)
Customer purchased a new repaired Siemens ER module, turned out to be faulty from purchased, oops
![Siemens ER Module settings](https://eec-ltd.org/wp-content/uploads/2021/08/Siemens-ER-Modual-settings-764x1024.jpg)
Siemens ER module dip switch setting for running the spindle
![Siemens ER DIN rail fuses](https://eec-ltd.org/wp-content/uploads/2021/08/Siemens-ER-DIN-rail-fuses-768x1024.jpg)
600VDC DIN rail fuses are still intact
![](https://eec-ltd.org/wp-content/uploads/2021/08/Siemens-Drives-with-Heidenhain-Interface-PCB-cards-768x1024.jpg)
Bridgeport VMC600 1997 with Heidenhain TNC 370 control & Siemens ER module and drives. ER module failing when hot – Dorset.
![ER modual and drives](https://eec-ltd.org/wp-content/uploads/2021/08/Oldie-but-a-goodie-ER-modual-and-drives-768x1024.jpg)
Oldie but a goodie ER module and drives
![NC PLC EPROMS](https://eec-ltd.org/wp-content/uploads/2021/08/NC-PLC-EPROMS-1024x768.jpg)
Heidenhain NC software eprom chips with a non-volatile memory (the brains behind the control)
![Heidenhain LE 426PB gold](https://eec-ltd.org/wp-content/uploads/2021/08/LE-426PB-Control-764x1024.jpg)
Heidenhain LE 426PB old style “gold box type”
![Heidenhain TNC 620 Hard disc drive](https://eec-ltd.org/wp-content/uploads/2021/08/Heidenhain-TNC-620-HDD-764x1024.jpg)
Heidenhain TNC 620 Hard disc drive, photos for info
![Heidenhain TNC 620](https://eec-ltd.org/wp-content/uploads/2021/08/Heidenhain-modern-MC-unit-764x1024.jpg)
Heidenhain TNC 620 MC unit with SIK card HSCI system
![Heidenhain UE 210B inverter fault](https://eec-ltd.org/wp-content/uploads/2021/08/Heidenhain-Inverter-497x1024.jpg)
Heidenhain UE 210B inverter details, suspected fault from the customer
![Heidenhain i530 Inverter](https://eec-ltd.org/wp-content/uploads/2021/08/Heidenhain-Inverter-Drive-and-Control.jpg)
Heidenhain i530 Inverter, drives and control Bridgeport VMC rack inside the machine electrical cabinet
![MC 422B information label](https://eec-ltd.org/wp-content/uploads/2021/08/Heidenhain-i530-control-MC-422B.jpg)
Heidenhain i530 control MC 422B information label MIKRON 5 axis machine in Hampshire
![Heidenhain MC unit fault finding](https://eec-ltd.org/wp-content/uploads/2021/08/Heidenhain-Control-in-the-rack.jpg)
Heidenhain Control in the rack – MC unit fault finding Bridgeport 3 axis VMC with Heidenhain i530 control
![Faulty heidenhain Inverter details](https://eec-ltd.org/wp-content/uploads/2021/08/Faulty-Inverter-details-764x1024.jpg)
Faulty Inverter details – Heidenhain UEC compact inverter with CC unit built in
![Heidenhain black details label](https://eec-ltd.org/wp-content/uploads/2021/08/Difficult-to-find-sometimes-1024x768.jpg)
Difficult to find sometimes – The Heidenhain black details label can be difficult to find and see sometimes, it is there !
![Suspected UE 240B Heidenhain Inverter](https://eec-ltd.org/wp-content/uploads/2021/08/Details-required-1024x768.jpg)
Details required – Suspected UE 240B Heidenhain Inverter details, its all about the Id.No’ s
![cooling fan check](https://eec-ltd.org/wp-content/uploads/2021/08/Cooling-fan-771x1024.jpg)
Cooling fan – just checking the cooling fan is drawing air through the Heidenhain UM drive
![contaminated Heidenhain UM axis drive due](https://eec-ltd.org/wp-content/uploads/2021/08/2-Contaminated-drive-764x1024.jpg)
Contaminated drive – Signs of a contaminated Heidenhain UM axis drive due to lack of maintenance with door filters
![3 phase input - Input 3 phase to Siemens ER module](https://eec-ltd.org/wp-content/uploads/2021/08/1-3-phase-input-1024x768.jpg)
3 phase input – Input 3 phase to Siemens ER module used with Siemens drives, fault finding older Bridgeport VMC.