How to wire a Maytag MXR with a KioSoft card reader (PK1P0001)

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  • Published on Sep 8, 2025
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How to wire a Maytag MXR with a KioSoft card reader (PK1P0001)

Parts List:

Part Number 

Part Name 

Items Included 

PK1P0001 

Primus Washer Cable Kit  

  • WH1P0001 Primus Coin Pulse Output Cable 

  • WH1P0002 Primus Washer Cable 

  • PS100007 Power Adapter 

  • 2 x WH110053 Relay Connection Cable - 0.250M to 0.250F 

  •  AS110094 24VAC Coil Relay 

  • 2 x FS000002 0.250 Tap Splice 

WH111004 

120Vac Long Power Cable, Universal 

  • 120Vac Long Power Cable, Universal 



Parts Illustrations: 

WH1P0001 Primus Coin Pulse Output Cable

WH111004 120Vac Long Power Cable, Universal

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Before Wiring:

Change the laundry machine’s board setting to COIN mode and adjust the value of Coin1 and Coin2 to 25 cents.

Menu Controls

Control panel displaying wash cycle options, prices, and start/stop buttons for a washing machine.

 

Instructions

Machine Display

To enter Setup Mode, all four buttons must be pressed within 4 seconds in the following order:

Power Wash, Extra Rinse, Temperature, Delicates

Washing machine cycle options with prices and language selection for users.

Press the left “soft” button to toggle down to the next screen until “To Program Mode PRESS START” is displayed.

Service information displaying programming mode and start button instructions.

Press START. You will see the Main Menu Screen. If a password was enabled, first you have to enter the correct password (default is Power Wash x4 times) and press START to confirm.

Control panel displaying programming options and password entry for a washing machine.

Once the Main Menu appears, press the START button to select the “Price Menu”.

Main menu of a washing machine displaying options like Price Menu and Service.

At the Pricing Menu, select ‘General’ by pressing the ‘START” button again.

Display showing pricing menu options including General and Special Pricing selections.

Press the START button with option 1 selected

(“1. Value of Coin 1”)

Adjust the value of Coin1 to 25 cents and then save by pressing the START button.

Note: Use the Soft left button (bottom unlabeled) to increase. The Normal for left, and Delicates for right.

Pricing menu displaying coin values and options for a washing machine.

Next, select the “Value of Coin2” by pressing the soft left button and then pressing the START button.  

Adjust the value of Coin2 to 25 cents. Save changes by pressing START again.

Note: When using both coin and card, both Coin1 and Coin2 connections are used on the terminal block.

Pricing menu displaying coin values and options for a washing machine.  

The navigate to the option “6. Coin/Debit” by pressing the soft left button. Adjust the setting to only COIN.

Do not select “COIN/CARD”. Then press the START button to save changes.

Pricing menu displaying coin values and options for payment methods on a machine.

Press the soft left button to scroll down and select the EXIT option by pressing the START button.

Then press the STOP button to exit of the menu.

Display panel showing pricing menu options for a washing machine.

Power cycle the laundry machine for the changes to take effect.

MXR machines

Coil Relay Connections: 

Connect WH1P0002’s female spade to the 24VAC coil relay included in the kit, with the orange cable spade to “NO” and the red cable spade to “COM”.

Then connect WH110053 female spades to the coil relay. 

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A Zettler relay with connected wires and labeled tags for identification.

 

Then take the other ends of WH110053 and cut the red spade connector wires to expose the cable. These exposed cables will be connected to the machine board. 

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Locate M1 (left) and Q1 (right) on the machine’s control board, see reference image below:

Close-up of a circuit board showing connectors and relays with highlighted elements.

Connect the cut wire end of WH110053 into “M1” on the board– shown below as the white wire.

The other end of WH110053’s cut wire goes into “Q9” on the machine board – shown as the black wire below.  

M1 shown on the machine board

Q9 shown on the machine board

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Power Connections: 

Please consult the Owner’s Manual, under the installation section, before fully connecting WH111004 & PS100007 Power Adaptor to your laundry machine. Depending on the machine model and voltage, connections may vary.

PS100007 Power Adaptor accepts a wide input from 100-240 V – 50-60HZ 0.8A and output of 12V.    

Connect PS100007’s 2 pin cable male cable into WH1P0002’s 2- pin female power connector.

Then plug in WH111004 to the AC adapter PS100007’s 2-pin connector.

The other single wires of WH111004 are fed from the front of the machine through the back, to reach power connections.

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The other ends cables of WH111004 will go to the line power coming from the machine. Trace the power plug to the machine to locate the power line.  

Please consult your specific machine model’s Owner’s Manual as machine model and voltage may vary.

 

Coin Pulse Cable

Connect the WH1P0001’s 3-pin connector into the back of the card reader’s coin pulse port. This cable is required to send pulses to the machine board.

Adjust the AB jumper on the back of the reader to the A position, see image below for reference.

Back view of a device showing connections and labels for USB and power supply.

Wiring harness with a barcode label and multiple colored wires connected inside a device.

Then connect the wires of WH1P0001 Primus Coin Pulse Output Cable to the Maytag terminal block.  

Note: You must set Coin1 and Coin2 values on the board to $0.25.

Below is a wiring example for a machine using a KioSoft card reader, with no coin drop connected.

If using coin payment, connect the coin drop’s green wire to the second coin sensor terminal (indicated by the yellow arrow below).

Do not connect the WH1P0001’s green wire to the same terminal as the coin drop. Each must be wired to a separate terminal.

Wiring connections from WH1P0001 to terminal block with labeled cables.  

Wiring connections with highlighted terminal for electrical components in a device.

Card Reader Connection:

Plug in the card reader’s data cable into WH1P0002’s card reader cable.

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