---
title: "Electrical Troubleshooting MS - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "Totally FREE! No ads or pop-ups!  How this App Works:  This app has 17 different electrical problems that are randomly selected to provide a fun and challenging learning experience. It is certain to h"
---

# Electrical Troubleshooting MS — United States
> Are you a good troubleshooter?

![Electrical Troubleshooting MS App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/39/b3/c0/39b3c0ec-b50b-2998-5605-5a139fb693e2/AppIcon-0-0-1x_U007emarketing-0-7-0-85-220.png/400x400bb.png)

**Developer:** [David White](https://apptail.io/developer/david-white-zkbb)
**Category:** Education
**Rating:** 4.8/5 (113 ratings)
**Price:** Free
**Bundle ID:** com.DavidRwhite.troubleshooterMS
**Store:** Apple App Store
**Country:** United States
**Version:** 3.8 (released 2026-09-01)
**Original Release:** 2021-04-13

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id1562565451)
**AppTail Page:** [https://apptail.io/app/electrical-troubleshooting-ms-VWVc/united-states](https://apptail.io/app/electrical-troubleshooting-ms-VWVc/united-states)

## Electrical Troubleshooting MS Description
Totally FREE!
No ads or pop-ups!

How this App Works:

This app has 17 different electrical problems that are randomly selected to provide a fun and challenging learning experience. It is certain to help you become more proficient in troubleshooting with a voltmeter.  The motor starter is animated so that you can SEE the different contact configurations between forward and reverse.  Another unique feature of this app is the ability to instantly switch back and forth between the control schematic and the real time PLC logic. There is also a "Troubleshooting Assistant" to help test the control circuit and find the problems.

The app is initially in normal mode.  This allows you to experience:
- How a reversing starter works.
- How to use the virtual voltmeter probes to measure voltages at various test points (small black squares, which turn red when the voltmeter makes contact with them) in the control circuit.
- Analyze the PLC logic, when the starter is in various control modes Run (FWD & Rev), Off and Auto (FWD & REV).
The HMI only has control in Auto. The selector switches work as indicated by control circuit.

After the you understand how the motor starter works in the various control modes, you can check your troubleshooting skills by going to "Settings" (touch the 'More' button (at the top of the app) and then the gear icon) and selecting troubleshooting mode.  Touch the "Arrow Back" icon to return to the control schematic. You will notice that the screen background has turned a light green, indicating that it is in troubleshooting mode and has a problem that needs to be found. Use the "Troubleshooting assistant" at the top, right side of the control schematic to help set the operator switches for testing. Use the voltmeter probes and PLC logic screen to identify the problem.  Once you believe that you have identified the problem, touch "Problem Identified" button at the top of the app.  A list of possible problems will appear.  If you cannot determine the problem, at the bottom of the list, there is an item to provide the answer.  If you desire to put the control system back in to normal (Non Troubleshooting Mode - No electrical problems) to learn more about how it is suppose to work, go to the settings section and unselect "Troubleshooting Mode". 

It is truly a great learning tool for anybody that wants to be able to fully utilize a voltmeter to troubleshoot a control circuit.

## Electrical Troubleshooting MS Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/89/88/c0/8988c090-832b-9c74-e10e-f5a06ca57844/647cfa21-a1b7-43bf-ad00-ba441281c6e8_ScreenShot_1A_iPad.png/2048x2732.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/99/a0/6f/99a06f7a-525d-440a-dcb1-7ead17f664cb/a276c9cc-54a6-4fad-aadd-79d5393efdc1_ScreenShot_2A_iPad.png/2048x2732.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/25/eb/79/25eb79d9-674b-f189-5c2a-c80fe4c3afbd/c17dc909-09b8-4dee-b8ea-0812a0127c51_ScreenShot_3A_iPad.png/2048x2732.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/3a/cf/9c/3acf9c71-890c-a9e9-e4d1-851a5dbfaf6b/06f66258-8383-44d1-9818-05c953182db3_ScreenShot_4A_iPad.png/2048x2732.png)

## Electrical Troubleshooting MS Rating Breakdown in United States
- 5 stars: 94 (83%)
- 4 stars: 14 (12%)
- 3 stars: 2 (2%)
- 2 stars: 3 (3%)
- 1 stars: 0 (0%)

## Electrical Troubleshooting MS Reviews in United States

### ***** "Pretty great tool"
It takes a minute to get the hang of everything and how you operate but once you get it it’s an excellent tool to look at troubleshooting. I’m a 3rd year and this has helped me a lot in understanding not only motor controls but relays…anything with NO/NC contacts
-- -nachoisme-, 2025-04-20

### ****- "Jd"
Not bad at all. Need more tasks, drawings and such. Great job
-- Spankyamum, 2025-03-09

### ***** "Warms me up"
In the mornings I sit in my van at work through some problems before I have to work on a powder coating unit, paint booth, or industrial oven it gets all my mental programs booted up so I can navigate through boat loads of relays and wires. Of course I’m gonna give you 5 stars because Jesus is my Lord and savior as well. As for me and my house we will serve the Lord. -Joshua 24:15
-- fatdadwithnewbalances, 2024-12-16

### **--- "Not bad but Not great"
Wish there was more than just one basic forward reverse station.  Wasn’t challenging at all for me. Finished all the problems in less than an hour.
-- Carlitosway21, 2024-09-26

### ***** "Green lights"
Very good app. My question is some of the green lights are in opposite. For example HMI stop should be dark until stop button is pressed then turn green. Correct me if I'm wrong. I'm still learning.
Thank you
-- 👍👏🏼✌🏽👌🏾, 2023-09-30

### ***** "Very helpful"
Love the app it definitely helped with trouble shooting. “Side note” the guy that is complaining about the prayer is probably an employers worst nightmare. 👍👍
-- DrewdeeY, 2023-09-05

### ***** "Not bad"
Awesome learning tool. Wish there were things like hints, as well as explanations for answers  but other than that it’s been great.
-- Tomorkmfmrmfm, 2023-04-08

### ***** "The app is great."
I learned things that will help me for the rest of my career, and my new troubleshooting skills will be something to flaunt to Lead guys. 
Only critique I have of it would be the instruction part. Perhaps a setting could be made so that you could turn it off and on whenever it’s needed. Other than that its superb
-- bbbubhhvv, 2022-02-02

### ****- "Kind of confusing"
Not sure what I’m supposed to be doing with it. But the simple fact that they put a Christian prayer in the corner is good enough for me to support it. That’s so rare these days.
-- Abalducci, 2021-09-06

### ***** "Awesome!"
It actually improved my troubleshooting skills!
-- Janet1437, 2021-04-14

[View all Electrical Troubleshooting MS reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews)



## Electrical Troubleshooting MS Discovered Keywords
- electrical symbols
- hvac
- t a p s
- p
- electrical engineering
- hvac games
- hvac troubleshooting
- electrical load calculator
- electrician apps
- electric

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## Electrical Troubleshooting MS Available In
- [United States](https://apptail.io/app/electrical-troubleshooting-ms-VWVc/united-states)
- [United Kingdom](https://apptail.io/app/electrical-troubleshooting-ms-VWVc/united-kingdom)
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---

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