I have to go up to 3 or 4 before the mixer will start

It is a Start Capacitor. It give the motor a jolt to get it running.

HOBART, Fits Hobart Brand, For A120/A200, Capacitor ...

Grainger https://www.grainger.com > product > HOBART-Capa...
HOBART Capacitor, Motor Start: Fits Hobart Brand, For A120/A200 ; Item: 235F28 ; Mfr. Model: 00-070487-00025 ; Catalog Page: N/A.
US$41.13

MOTOR STARTING CAPACITOR FOR HOBAR MIXER ...

eBay https://www.ebay.ca > ... > Commercial Mixers
MOTOR STARTING CAPACITOR FOR HOBAR MIXER MODEL A200 REPLACES 7048700018 ; Condition. New ; Quantity. 67 sold. 82 available ; Item Number. 254321066847 ; Brand.
Rating: 5 · ‎ 1 vote

Motor Starting Capacitor Fitting Hobart Mixers A120, A200 ...

National Band Saw Parts https://nbsparts.com > All Products
MOTOR STARTING CAPACITOR FOR HOBAR MIXER MODEL A200 REPLACES 00-070487-00018. 125V, 50/60HZ, 145-174uF. Includes: One Capacitor. Replaces#: 00-070487-00018 ...
US$30.00 · ‎ In stock
https://www.google.com/search?q=Hobart+A200+the+capacitor+is+starting+or+running+capacitor

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Question edited for clarity.
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You have a fault that no one else has encountered. Call for service

https://www.google.com/search?q=30qt+vollrath+floor+mixer%2C+no+start

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How old is your mixer? What type of mixer portable or does it stand by itself?

Check for broken wire under back cover. Check operation of switch contacts on black speed control plate. Check carbon brushed under black screw caps on the sides. The brushes are keyed, they only work one way.

There are four possibilities to look at here. Assuming your mixer has a normal capacitor start motor (older a200's used a different style motor), possibilities are, in order of likelihood:

Motor start capacitor
Start switch (electronic or mechanical)
Burned wiring
Motor start winding

The start capacitor is located at the rear of the mixer. Remove the rear cover (4 screws) and pull the cover towards you. Disconnect one wire from the capacitor and test with any multimeter.

The start switch, if electronic, is able to be tested, but not very easily. Once you've eliminated the other possibilities, it's time to replace the (electronic) start switch. If the motor has a mechanical start switch, it's easy to test: Remove the two wires at the rear of the motor and test for continuity with the motor stationary. A multimeter should show near zero ohms for a good mechanical start switch.

Burned wiring should be easy to spot with some careful inspection around the motor, capacitor, and start switch.

Start winding: Look closely at the stator (stationary part of the motor). If some of the copper windings look significantly darker in color than the others, it's likely the start windings were overheated (the start windings are the thinner copper wires - if you look closely, approximately half of the wires are thinner than the other half). Look for a wiring diagram behind the power switch and determine which wires leading to the start switch and/or capacitor are for the start windings and test for continuity across the start winding. You should read a fairly small value such as 5 - 15 ohms. Values significantly outside this range could indicate a partially open or partially shorted start winding.

take off the side cover where gear shifter is, you probably have the original arrow hart contactor in there ,that part is obsolete but you can get a kit from hobart to upgrade the control circuit

Depending on what you were mixing for 1/2 hour, you could have overheated & burned out the motor.

Hi. If your mixer is still under warranty, call Kitchenaid, they are usually very good at replacing mixers under warranty.

If you're out of warranty, you'll need to order a new speed control board. Use the following link to download the parts catalog for your mixer.

http://shared.whirlpoolcorp.com/assets/pdfs/literature/Repair%20Part%20List%20-%208212278.pdf

You can remove and replace this board yourself. Use the drawings to assist you with the project.

If this solution has assisted you, please rate it. Good luck! ricardok45

Hi Karl. Have your mixer repaired by a shop that has experience repairing Kitchenaid mixers. Don't think for a second that a new mixer will solve your problems. The new Kitchenaid mixers are not as durable as your old one and are made with an absolute minimum of quality. Quality costs money! ricardok45

Im not bias on my opinion,but from the repairs i do on mixers hobart mixers are far superior than other manufactures.Hobart is over 100 yr old company that started with mixers and their service dept. is good.unlike any mixer out on the market they mirror off of hobart.