# Knowledge Base: Troubleshooting **URL:** https://forum.deltamotion.com/c/knowledge-base-troubleshooting/26.md [Latest](https://forum.deltamotion.com/latest.md) · [Categories](https://forum.deltamotion.com/categories.md) · [Tags](https://forum.deltamotion.com/tags.md) --- ## [About the Knowledge Base: Troubleshooting category](https://forum.deltamotion.com/t/about-the-knowledge-base-troubleshooting-category/796)
**Author:** [@dmcnichol](https://forum.deltamotion.com/u/dmcnichol)\ **Replies:** 0\ **Last updated:** [September 22, 2020, 6:15pm UTC](https://forum.deltamotion.com/t/about-the-knowledge-base-troubleshooting-category/796 "2020-09-22T18:15:45Z")
Use this section to ask questions about problems your are encountering on your machine. --- ## [Isolating source of noise on analog inputs](https://forum.deltamotion.com/t/isolating-source-of-noise-on-analog-inputs/1382)
**Author:** [@Paul\_Huumala](https://forum.deltamotion.com/u/Paul_Huumala)\ **Replies:** 0\ **Last updated:** [January 24, 2025, 6:55pm UTC](https://forum.deltamotion.com/t/isolating-source-of-noise-on-analog-inputs/1382 "2025-01-24T18:55:46Z")
Isolating the source of electrical noise on analog inputs. Where electrical noise can get in: Directly into the RMC input circuit (unlikely, but significant noise on the Cmn pin could couple onto the signal inside the… --- ## [Checking SSI signals with an RMC200 'oscilloscope' project](https://forum.deltamotion.com/t/checking-ssi-signals-with-an-rmc200-oscilloscope-project/1345)
**Author:** [@Aaron\_Heinrich](https://forum.deltamotion.com/u/Aaron_Heinrich)\ **Replies:** 0\ **Last updated:** [December 4, 2024, 8:59pm UTC](https://forum.deltamotion.com/t/checking-ssi-signals-with-an-rmc200-oscilloscope-project/1345 "2024-12-04T20:59:09Z")
Troubleshooting a feedback signals like SSI or magnetostrictive Start/Stop or PWM (MDT) is a common problem. These signals are high-speed digital signals, which require an oscilloscope to view. However, it can be difficu… --- ## [The Open Loop to Closed Loop Problem](https://forum.deltamotion.com/t/the-open-loop-to-closed-loop-problem/1291)
**Author:** [@Aaron\_Heinrich](https://forum.deltamotion.com/u/Aaron_Heinrich)\ **Replies:** 0\ **Last updated:** [July 26, 2024, 7:09pm UTC](https://forum.deltamotion.com/t/the-open-loop-to-closed-loop-problem/1291 "2024-07-26T19:09:44Z")
A fairly common support question is “Sometimes when I issue a move command to an axis, it goes the opposite direction first, before heading in the right direction. What is happening with my axis?” This is a symptom of se… --- ## [Temposonics II Transducer with Digital Personality Module (DPM)](https://forum.deltamotion.com/t/temposonics-ii-transducer-with-digital-personality-module-dpm/1281)
**Author:** [@Paul\_Huumala](https://forum.deltamotion.com/u/Paul_Huumala)\ **Replies:** 0\ **Last updated:** [June 28, 2024, 3:35pm UTC](https://forum.deltamotion.com/t/temposonics-ii-transducer-with-digital-personality-module-dpm/1281 "2024-06-28T15:35:40Z")
Temposonics II transducers with the Digital Personality Module (DPM) can interface with the RMCs. These transducers need to be configured for External Interrogation which is indicated as the E towards the end of the PN (… --- ## [EtherNet/IP connection error 0x0203 after firmware update](https://forum.deltamotion.com/t/ethernet-ip-connection-error-0x0203-after-firmware-update/137)
**Author:** [@qtormanen](https://forum.deltamotion.com/u/qtormanen)\ **Replies:** 0\ **Last updated:** [June 17, 2011, 4:39pm UTC](https://forum.deltamotion.com/t/ethernet-ip-connection-error-0x0203-after-firmware-update/137 "2011-06-17T16:39:47Z")
This topic refers to a case where EtherNet/IP communication stops working after updating the RMC70/150 firmware from pre-3.41.0 to 3.41.0 or newer. This also applies to new installations using RMC70/150 firmware 3.41.0 o… --- ## [USB Connection Problems](https://forum.deltamotion.com/t/usb-connection-problems/1013)
**Author:** [@Jacob\_Paso](https://forum.deltamotion.com/u/Jacob_Paso)\ **Replies:** 0\ **Last updated:** [March 21, 2022, 11:00pm UTC](https://forum.deltamotion.com/t/usb-connection-problems/1013 "2022-03-21T23:00:08Z")
If RMCTools or RMCLink is having trouble connection to an RMC via USB, here are some possible solutions: Use Correct RMCTools Version Some newer RMCs require a minimum RMCTools version. For details, see RMCTools vers… --- ## [RMCTools on an ARM Processor](https://forum.deltamotion.com/t/rmctools-on-an-arm-processor/1014)
**Author:** [@Paul\_Huumala](https://forum.deltamotion.com/u/Paul_Huumala)\ **Replies:** 0\ **Last updated:** [March 23, 2022, 7:58pm UTC](https://forum.deltamotion.com/t/rmctools-on-an-arm-processor/1014 "2022-03-23T19:58:08Z")
RMCTools currently supports ARM-based processors, with some caveats described here. Requires RMCTools 4.21.0b or later Requires Windows 11 To install, choose the 64-bit version of RMCTools The RMCTools installer does n… --- ## [Repairing the RMC200 USB driver](https://forum.deltamotion.com/t/repairing-the-rmc200-usb-driver/408)
**Author:** [@Jacob\_Paso](https://forum.deltamotion.com/u/Jacob_Paso)\ **Replies:** 0\ **Last updated:** [October 26, 2016, 6:26pm UTC](https://forum.deltamotion.com/t/repairing-the-rmc200-usb-driver/408 "2016-10-26T18:26:36Z")
This post describes reparing the RMC200 USB driver. For installing the RMC200 USB driver, see RMC200 USB driver installation. As always, you can also contact Delta technical support for help. It is always best to run th… --- ## [Enabling the RMC75 / RMC150 USB driver in Windows 10 and 11 with HVCI](https://forum.deltamotion.com/t/enabling-the-rmc75-rmc150-usb-driver-in-windows-10-and-11-with-hvci/994)
**Author:** [@sjuvonen](https://forum.deltamotion.com/u/sjuvonen)\ **Replies:** 0\ **Last updated:** [February 11, 2022, 1:01pm UTC](https://forum.deltamotion.com/t/enabling-the-rmc75-rmc150-usb-driver-in-windows-10-and-11-with-hvci/994 "2022-02-11T13:01:00Z")
This post describes enabling an installed USB driver for the RMC75 or RMC150 in Windows 10 or Windows 11 that is indicating a problem with the driver. The USB driver is installed when installing the RMCTools software. A… --- ## [What if RMCTools cannot be updated or uninstalled?](https://forum.deltamotion.com/t/what-if-rmctools-cannot-be-updated-or-uninstalled/38)
**Author:** [@Jacob\_Paso](https://forum.deltamotion.com/u/Jacob_Paso)\ **Replies:** 0\ **Last updated:** [March 24, 2008, 10:15pm UTC](https://forum.deltamotion.com/t/what-if-rmctools-cannot-be-updated-or-uninstalled/38 "2008-03-24T22:15:48Z")
If the RMCTools installation fails, try these steps: Restart the PC and retry the install. If a restart is pending due to a recent Windows update or other installation, this may prevent other installations from compl… --- ## [SLC5/05 connection problems](https://forum.deltamotion.com/t/slc5-05-connection-problems/48)
**Author:** [@Jacob\_Paso](https://forum.deltamotion.com/u/Jacob_Paso)\ **Replies:** 0\ **Last updated:** [August 25, 2008, 8:16pm UTC](https://forum.deltamotion.com/t/slc5-05-connection-problems/48 "2008-08-25T20:16:58Z")
Here is a list of common reasons why the SLC5/05 cannot connect to an RMC via Ethernet using a MSG block. This is from http://rockwellautomation.custhelp.com/cgi-bin/rockwellautomation.cfg/php/enduser/std\_adp.php?p\_faqi… --- ## [Troubleshooting Tips](https://forum.deltamotion.com/t/troubleshooting-tips/181)
**Author:** [@Jacob\_Paso](https://forum.deltamotion.com/u/Jacob_Paso)\ **Replies:** 0\ **Last updated:** [June 14, 2012, 11:53pm UTC](https://forum.deltamotion.com/t/troubleshooting-tips/181 "2012-06-14T23:53:40Z")
The attached document has some cool troubleshooting tips, such as: Correlating the PLots and Event Log Including User Programs Trigger Plot and Stop Event Log to Capture Error Using the Log\_Event Function RMCTools Tro… --- ## [Slow SLC PLC Ethernet Messaging](https://forum.deltamotion.com/t/slow-slc-plc-ethernet-messaging/882)
**Author:** [@Paul\_Huumala](https://forum.deltamotion.com/u/Paul_Huumala)\ **Replies:** 0\ **Last updated:** [March 26, 2021, 11:18pm UTC](https://forum.deltamotion.com/t/slow-slc-plc-ethernet-messaging/882 "2021-03-26T23:18:21Z")
Problem: We had a customer experience slow messaging communication between an RMC75E and an SLC Ethernet processor. Solution: The SLC processor contains a bit that when set, processes 1 message command between scans. … --- ## [Bosch Valve Wiring](https://forum.deltamotion.com/t/bosch-valve-wiring/461)
**Author:** [@Paul\_Huumala](https://forum.deltamotion.com/u/Paul_Huumala)\ **Replies:** 0\ **Last updated:** [May 17, 2018, 12:13am UTC](https://forum.deltamotion.com/t/bosch-valve-wiring/461 "2018-05-17T00:13:59Z")
Wiring a Bosch Rexroth valve without connecting the Ref Zero properly can cause control issues. When the Ref Zero is not wired properly, the common mode voltage of the differential analog input relative to the reference … --- ## [Potential Firmware Incompatibilities](https://forum.deltamotion.com/t/potential-firmware-incompatibilities/427)
**Author:** [@Jacob\_Paso](https://forum.deltamotion.com/u/Jacob_Paso)\ **Replies:** 0\ **Last updated:** [August 21, 2017, 10:47pm UTC](https://forum.deltamotion.com/t/potential-firmware-incompatibilities/427 "2017-08-21T22:47:03Z")
There are potential incompatibilities to be aware of if updating RMC firmware in the following situations: IF the current RMC70/150 firmware version is older than 3.63.0, AND either of the following is true: RMCLink … --- ## [Server Busy error message](https://forum.deltamotion.com/t/server-busy-error-message/462)
**Author:** [@Jacob\_Paso](https://forum.deltamotion.com/u/Jacob_Paso)\ **Replies:** 0\ **Last updated:** [June 26, 2018, 6:58pm UTC](https://forum.deltamotion.com/t/server-busy-error-message/462 "2018-06-26T18:58:40Z")
This topic describes the Server Busy error message and possible solutions. A Server Busy error message looks like this: The Server Busy is an error message generated by Windows, not by RMCTools. It generally means th… --- ## [Triggering a Plot on an Error Condition](https://forum.deltamotion.com/t/triggering-a-plot-on-an-error-condition/154)
**Author:** [@Jacob\_Paso](https://forum.deltamotion.com/u/Jacob_Paso)\ **Replies:** 0\ **Last updated:** [November 4, 2011, 7:02pm UTC](https://forum.deltamotion.com/t/triggering-a-plot-on-an-error-condition/154 "2011-11-04T19:02:08Z")
It is possible to trigger a plot on a fault, or any other condition. This involves making a user program that monitors for the error condition, then triggers the plot. Triggering will provide plot data from before the mo… --- ## [Programming Upload error](https://forum.deltamotion.com/t/programming-upload-error/561)
**Author:** [@Bim](https://forum.deltamotion.com/u/Bim)\ **Replies:** 4\ **Last updated:** [September 12, 2019, 3:00pm UTC](https://forum.deltamotion.com/t/programming-upload-error/561 "2019-09-12T15:00:46Z")
Hi All, I am trying to upload programs from controller to the PC but could not able to download due to version different. The program on the controller done from the old version and PC have a newer version. While I trie… --- ## [Uninstall RMC Tools RESOLVED](https://forum.deltamotion.com/t/uninstall-rmc-tools-resolved/480)
**Author:** [@lamboom](https://forum.deltamotion.com/u/lamboom)\ **Replies:** 1\ **Last updated:** [March 12, 2019, 11:51pm UTC](https://forum.deltamotion.com/t/uninstall-rmc-tools-resolved/480 "2019-03-12T23:51:26Z")
There doesn’t appear a way to uninstall RMC Tools, and all associated files. RMC Tools does not show up in the options for “Uninstalling” a program via Control Panel. Also, Using System Mechanic Pro’s “professional”… --- ## [Causes of magnetostrictive sensor problems](https://forum.deltamotion.com/t/causes-of-magnetostrictive-sensor-problems/464)
**Author:** [@Jacob\_Paso](https://forum.deltamotion.com/u/Jacob_Paso)\ **Replies:** 1\ **Last updated:** [August 8, 2018, 8:21pm UTC](https://forum.deltamotion.com/t/causes-of-magnetostrictive-sensor-problems/464 "2018-08-08T20:21:00Z")
Magnetostrictive sensors, whether SSI, Start/Stop, or PWM, are rugged sensors, but like everything else, can fail. Troubleshooting can be difficult, and the symptoms can vary widely. At Delta, we say that the normal symp… --- ## [Replacing a Tempo Rod](https://forum.deltamotion.com/t/replacing-a-tempo-rod/424)
**Author:** [@beckesn](https://forum.deltamotion.com/u/beckesn)\ **Replies:** 1\ **Last updated:** [July 10, 2017, 11:59pm UTC](https://forum.deltamotion.com/t/replacing-a-tempo-rod/424 "2017-07-10T23:59:15Z")
We had to replace a Tempo Rod in the middle of the night. Had some difficulty recalling previous training. Is there a simple guide for some reminders that could help in this situation? RMC150 --- ## [Simulating a move with RMC75E-QA1 . no transducer error](https://forum.deltamotion.com/t/simulating-a-move-with-rmc75e-qa1-no-transducer-error/349)
**Author:** [@lamboom](https://forum.deltamotion.com/u/lamboom)\ **Replies:** 2\ **Last updated:** [May 7, 2015, 5:30pm UTC](https://forum.deltamotion.com/t/simulating-a-move-with-rmc75e-qa1-no-transducer-error/349 "2015-05-07T17:30:36Z")
Tried to follow training video #1 (great video) but I have a RMC75E-QA1 … and the video uses a MA2 … following the same moves got me into some trouble … Defined the axis as best I could then ran the Simulation Tutorial… … --- ## [Testing an RMC75E with only power connected](https://forum.deltamotion.com/t/testing-an-rmc75e-with-only-power-connected/332)
**Author:** [@lamboom](https://forum.deltamotion.com/u/lamboom)\ **Replies:** 17\ **Last updated:** [May 5, 2015, 6:22pm UTC](https://forum.deltamotion.com/t/testing-an-rmc75e-with-only-power-connected/332 "2015-05-05T18:22:05Z")
Hi I would like to test a newly acquired, but used RMC75E-QA1-AP2-D8-D8 using RMCTools. Looking for a way to verify it’s functionality, probably in a simulated mode? … mostly to see if it’s likely to work, when fully … --- ## [Tuning Multiple Rigidly Connected Axes](https://forum.deltamotion.com/t/tuning-multiple-rigidly-connected-axes/141)
**Author:** [@Jacob\_Paso](https://forum.deltamotion.com/u/Jacob_Paso)\ **Replies:** 1\ **Last updated:** [July 29, 2011, 7:20pm UTC](https://forum.deltamotion.com/t/tuning-multiple-rigidly-connected-axes/141 "2011-07-29T19:20:01Z")
Here is a general procedure for tuning multiple rigidly connected cylinders: Put the axes in the same halt group In the Axis Tools, on the All tab, in the Halts section, set the Halt Group Number parameter to the sa… --- ## [No flow](https://forum.deltamotion.com/t/no-flow/80)
**Author:** [@Stuart](https://forum.deltamotion.com/u/Stuart)\ **Replies:** 16\ **Last updated:** [February 1, 2010, 1:54am UTC](https://forum.deltamotion.com/t/no-flow/80 "2010-02-01T01:54:48Z")
Again, I have been handed a system with not enough flow. Years past I would have never known. What are my options?