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Manual Dexter T-350 Express

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  • Dexter T-350 Express - page 1

    8 514 - 224 - 001 REV A page 1 COMMERCIAL WASHER MODEL T- 35 0 EXPRESS VENDED C- SERIES CONTROL OPERATOR’S MANUAL INSTALLATION & OPERATION INSTRUCTIONS Please read t his infor mation and ret ain for r eference. WARNIN G - THIS WASHER IS EQUIPPED WITH DEVICES AND FEATURES RELATING TO ITS SAF E OPERATION. TO AVOID INJURY OR ELECTRICAL SHOCK, DO ...

  • Dexter T-350 Express - page 2

    8 514 - 224 - 001 REV A page 2 TABLE OF CONTENTS Page No. Wash er Specifications 2 Mounting Dimensions 3 Installation Instructions 4 Operating Instructions 8 Programming the Washer Control 10 Displayed Washer Faults 24 Servicing and Troubleshooting 30 Acce ssories and Contact Information 34 WASHER SPECIFICATIONS MODEL T- 35 0 EXPRESS 20 LB. WASHER ...

  • Dexter T-350 Express - page 3

    8 514 - 224 - 001 REV A page 3 ...

  • Dexter T-350 Express - page 4

    8 514 - 224 - 001 REV A page 4 INSTALLATION INSTRUCTIONS All washers must be installed in accordance with all local, state and national building, electrical, plumbing and other codes in effect in the area. WARNING - THES E INSTALLATION AND SERVICING INSTRUCTIONS ARE FOR USE BY QUALIFIED PERSONNEL ONLY. TO AVOID INJURY AND ELECTRICAL SHOCK DO NOT PE ...

  • Dexter T-350 Express - page 5

    8 514 - 224 - 001 REV A page 5 ...

  • Dexter T-350 Express - page 6

    8 514 - 224 - 001 REV A page 6 PLUMBING Water supply hoses are furnished with each machine. The threaded connections on the hoses are ¾ -11 ½ NHT. Separate hot and cold water lines must be provided, maintaining 30 psi to 120 psi (207 kPa to 8 27 kPa) water flow pressure. A 140F (60C) degree hot water supply is recommended for best washing results ...

  • Dexter T-350 Express - page 7

    8 514 - 224 - 001 REV A page 7 FUSING REQUIREMENTS: SINGLE- and THREE -PHASE 208-240VAC MODELS - 15 AMP TIME-DELAY (DUAL ELEMENT) FUSE (or equivalent circuit breaker) CONTROLS TRANSFORMER The controls transformer is located inside the control trough and steps a range of 208 to 240 volts down to 115 volts. There are two terminals on the controls tra ...

  • Dexter T-350 Express - page 8

    8 514 - 224 - 001 REV A page 8 OPERATING INSTRUCTIONS - STARTING THE WASHER A. Load the clothes into the cylinder and latch the door securely. Be sure clothing does not get caught between the door gasket and tub front when closing the door. Maximum load is 20 pounds clothes, dry weight. Do not load the washer with more than 20 lbs. B. Select the ap ...

  • Dexter T-350 Express - page 9

    8 514 - 224 - 001 REV A page 9 EMERGENCY STOP / SAFETY DOOR LOCK This machine is equipped with a Safety Door Lock that locks the door closed from when the cycle is started until the cycle is complete. The door lock prevents opening the door for up to 3 minutes if the power is interrupted during the cycl e. The Emergency Stop button pauses the washe ...

  • Dexter T-350 Express - page 10

    8 514 - 224 - 001 REV A page 10 PROGRAMMING THE WASHER CONTROL The washer control can be programmed to prompt the user for alternate vend prices, cha nge washer cycle times, temperatures and many other options. This can be accomplished in two ways: 1. Manual programming utilizing the “Start”, “Hot”, “Warm” and “Cold” buttons 2. USB ...

  • Dexter T-350 Express - page 11

    8 514 - 224 - 001 REV A page 11 When manual programming mode is entered, the “Start”, “Hot”, “Warm” and “Cold” buttons perform alternate functions. Button Name Alternate Function in Programming Mode Start Becomes the action to accept the displayed option or the “Enter” key Hot Becomes the action to move UP through displayed opti ...

  • Dexter T-350 Express - page 12

    8 514 - 224 - 001 REV A page 12 Quick Test Option: When the Quick Test Option is chosen, the washer will begin a shortened wash cycle without the displayed vend price being met. The purpose of this shortened cycle is to test all major components for proper operation. Error Codes should all function normally during this test. The display will show c ...

  • Dexter T-350 Express - page 13

    8 514 - 224 - 001 REV A page 13 Prices Option: This option allows the user to set values for coin acceptor inputs and to set the vend price. It also allows the user to return the values to factory defaults. After changing prices using the “U p” or “Down” buttons, the “Enter” button must be pressed again for the control to store the chan ...

  • Dexter T-350 Express - page 14

    8 514 - 224 - 001 REV A page 14 Cycles Option: This option allows the user to set the bath time and spin time for the “Wash” bath. It also allows the user to set bath time, water temperature and spin time for “Rinse” and “Final rinse” baths. (Water temperature for the “Wash” bath is chosen by the customer using the “Hot”, “War ...

  • Dexter T-350 Express - page 15

    8 514 - 224 - 001 REV A page 15 3. “Delay Spin” is meant to be used in applications where the amount of drai n capacity is limited. In these cases the washer cannot empty the tub in sufficient time to allow for a spin cycle to occur. When a time value (other than 0) is programmed for the “Delay Spin” option, the end of each bath will be ext ...

  • Dexter T-350 Express - page 16

    8 514 - 224 - 001 REV A page 16 Plus Cycle Options: The “Plus Cycle” options allow for the user to prompt the customer for varying vend prices based on additional wash baths chosen. In general, the user can program the additional wash baths in a similar manner to what was described in the “Cycles” Options section. It also allows the user to ...

  • Dexter T-350 Express - page 17

    8 514 - 224 - 001 REV A page 17 “Final Rinse” bath. If the customer does not meet the vend price of the “Extra Rinse” feature, the pro mpt will time out and the “Extra Rinse” bath will not occur. The figure below shows the sub menu options for Plus Cycle Options: ...

  • Dexter T-350 Express - page 18

    8 514 - 224 - 001 REV A page 18 Settings: The “Settings” options allow for the user to make various programming changes to change how the control operation affects the customer. See below for detailed information on each next level option. 1. “Decimal Point”- If the user programs the Decimal Point to “OFF”, control display will not show ...

  • Dexter T-350 Express - page 19

    8 514 - 224 - 001 REV A page 19 press the “ Enter” button to move to the minutes. Once the hours and minute are both chosen, the “Enter” button must be held down for 3 seconds to confirm that RTC is meant to be reset to the complete entry. 7. “Date” - Similar to “Time”, if a problem occurs and the RTC date is not accurate, it can be ...

  • Dexter T-350 Express - page 20

    8 514 - 224 - 001 REV A page 20 Usage Menu: The Usage menu allows for the user to track data about machine usage. See below for detailed information on each sub menu option. 1. “Coin Audit”: The coin audit field shows the accumulation of coin pulses that were sent to the control over each of the left and right coin inputs. Note that this is a c ...

  • Dexter T-350 Express - page 21

    8 514 - 224 - 001 REV A page 21 The figure below shows the sub menu options for Usage: ...

  • Dexter T-350 Express - page 22

    8 514 - 224 - 001 REV A page 22 Control Menu: The Control menu allows for the user to observe important technical information for the control. No changes can be made at this menu. See below for detailed information on each sub menu. 1. “Serial Number”: This is the control serial number. 2. “MAC Address”: The MAC Address is a unique identifi ...

  • Dexter T-350 Express - page 23

    8 514 - 224 - 001 REV A page 23 COIN WASHER DEFAULT CYCLE The following table shows the complete details for the coin washer default cycle. Bath Bath Cycle Time (min.) Water Temp. Delay Fill Spin Time (min.) Prewash 0 Cold Off 0 Wash 9 Warm Off 0 Extend Wash 0 n/a n/a n/a Rinse 4 Cold Off 1 Final Rinse 5 Cold Off n/a Extra Rinse Spin n/a n/a n/a 0 ...

  • Dexter T-350 Express - page 24

    8 514 - 224 - 001 REV A page 24 DISPLAYED WASHER FAU LTS Display ed F ault Code Description DOOR LOCK ERROR Door Loc k Error Condition This error is when th e Door Locked signal i s not received within one se cond after the start of the cycle. A fter three attem pts to start the was her. Delay Immediate Action When the err o r occurs, the Door L oc ...

  • Dexter T-350 Express - page 25

    8 514 - 224 - 001 REV A page 25 Condition Inv alid washer size jumper ( harness) configurati on. COMM ERROR2 Wrong Wash er Size Jumper Configurati on Delay Immediate (after the wrong size jumper co nfiguration is read) . Wash er size/t ype inp uts are read o nly at power up, before star ting a cycl e, once ever y 24 hours, and in factory test mode. ...

  • Dexter T-350 Express - page 26

    8 514 - 224 - 001 REV A page 26 COMM ERROR5 VFD Communication Fault Condition This error is a dat a error on communications between the controller and the V F drive Delay Delay t ime is 12 se conds. Action Stop the machine and clear the cycle. Keep the door locked until the mach ine has stoppe d mov ing and then unlock the door. Solution The CE err ...

  • Dexter T-350 Express - page 27

    8 514 - 224 - 001 REV A page 27 Condition This error is when th e drive si ze does not match the washer size. DRIVE ERROR1 Washer si ze/ VFD size mismat ch Delay Immediate. (after the size jumper configura tion is read). Washer size/typ e inputs are read only at pow er up, before start ing a cycle, once every 24 hour s and in factory test mo de Act ...

  • Dexter T-350 Express - page 28

    8 514 - 224 - 001 REV A page 28 DRIVE OV VFD Over - v oltage Fault Condition This error is over - voltage on the VF drive Delay Delay t ime is 35 se conds. Action Stop the machine and clear the cycle. Keep the door locked until the mach ine has stoppe d mov ing and then unlock the door. Solution Step 1: Measu re the suppl y vol tage to the VFD on t ...

  • Dexter T-350 Express - page 29

    8 514 - 224 - 001 REV A page 29 DRIVE GFI VFD Ground Fault Condition This error is a gr ound fault interrupt ion on the VF drive Delay Delay t ime is 12 se conds. Action Stop the machine and clear the cycle. Keep the door locked until the mach ine has stoppe d mov in g and then unlock the door. Solution Check VFD ligh t code befor e turning off pow ...

  • Dexter T-350 Express - page 30

    8 514 - 224 - 001 REV A page 30 SERVICING AND TROUBLESHOOTING CAUTION: Label al l wires prior to disconnecti on when servici ng control s. Wiri ng errors c an cause improp er and dange rous o peratio n. Verify prope r opera tion aft er servic ing. ATTENTION. Lors des opérations d'entr etien des commandes, étiqueter tous les fil s avant de l ...

  • Dexter T-350 Express - page 31

    8 514 - 224 - 001 REV A page 31 Door wil l not open Ther moact uator Check to see if the rmoactuator and its mechanism are stuck or binding and not allowing the door lock motor to open. Check to be sure that the locking thermoactuator is not r eceiving 120VAC during the last 1 1/2 minute s of the cycle. Also check t o see that the unlocking thermoa ...

  • Dexter T-350 Express - page 32

    8 514 - 224 - 001 REV A page 32 Water do es not flush softener compartment. Water Val ve Coil Check coil continuity at terminal s and repl ace if no continuit y. Water In let Scr eens Check water in let screens for block age and clean if necess ary . Water Check to ins ure that water is tur ned on and oper ating. Pressure Switch Check pressure swit ...

  • Dexter T-350 Express - page 33

    8 514 - 224 - 001 REV A page 33 IMPORTANT TRAN SIENT VOLTAGE SURGE SUPPRESSORS Like most electrical equipment your new machine can be damaged or have its life shortened by voltage surges due to lightning strikes which are not covered by factory warranty. Local power distribution problems also can be detrimental to the life of electrical components. ...

  • Dexter T-350 Express - page 34

    8 514 - 224 - 001 REV A page 34 ACCESSO RIES INSTALLATION : (Furnished) QTY. 9990 - 027 - 011 Hose, Water Supply 2 8641 - 242 - 000 Washer, Inlet Hose 2 9565 - 003 - 001 Strainer, Inlet Hose 4 Contact distributor or Dexter Laundry, Inc. if a steel-mounting base is required. For service and parts information, contact your local Dexter agent. To find ...

Manufacturer Dexter Category Washing Machine

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A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Dexter T-350 Express by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Dexter T-350 Express.

A complete Dexter manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

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2. Contents - index of all tips concerning the Dexter T-350 Express, that we can find in the current document
3. Tips how to use the basic functions of the device Dexter T-350 Express - which should help us in our first steps of using Dexter T-350 Express
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Dexter T-350 Express
5. FAQ - Frequently Asked Questions
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