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Milnor C4A Manual

Milnor C4A Manual

Electronic coin washer-extractor
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Published Manual Number/ECN: MAT30C4AAE/2002115N
• Publishing System: TPAS
• Access date: 03/14/2002
• Document ECN's: Latest Available
Technical Reference—
Operating and
Troubleshooting the C4A
Electronic Coin Washer-
Extractor
PELLERIN MILNOR CORPORATION
POST OFFICE BOX 400, KENNER, LOUISIANA 70063-0400, U.S.A.

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  • Page 1 Published Manual Number/ECN: MAT30C4AAE/2002115N • Publishing System: TPAS • Access date: 03/14/2002 • Document ECN's: Latest Available Technical Reference— Operating and Troubleshooting the C4A Electronic Coin Washer- Extractor PELLERIN MILNOR CORPORATION POST OFFICE BOX 400, KENNER, LOUISIANA 70063-0400, U.S.A.
  • Page 2 “Troubleshooting” chapter or section. See the table of contents. Trademarks of Pellerin Milnor Corporation The following, some of which may be used in this manual, are trademarks of Pellerin Milnor Corporation: ®...

  • Page 3: Table Of Contents

    Table of Contents for MAT30C4AAE/2002115N Operating and Troubleshooting the C4A Electronic Coin Washer-Extractor Page Description Document/ECN About This Manual MHT30C4AAE/9274AV Safety for Coin Operated Washer-Extractors BIRMCS01/20020312 Section 1: Commissioning The C4A Electronic Coin Washer-Extractor Control MSOP0503AE/9274AV Section 2: Operating Operation of C4A Electronic Coin Washer-Extractor...

  • Page 5: About This Manual

    —Verify that the machine behaves as described in “OPERATION OF C4A . . . ” (see Table of Contents). Any other display indicates an error condition which must be corrected before the machine will operate. See “HOW TO CORRECT ERRORS WITH THE C4A CONTROL.”...
  • Page 6 The owner/user must familiarize himself with the contents of all machine instruction manuals. The owner/user should direct any questions about these instructions to a Milnor® dealer or the Milnor® Service department.
  • Page 7 CQVUdi V_b 3_Y^ ?`UbQdUT GQcXUb5hdbQSd_bc ;Pd]Sah5PRX[Xch —Provide a supporting floor that is strong and rigid enough to support–with a reasonable safety factor and without undue or objectionable deflection–the weight of the fully loaded machine and the forces transmitted by it during operation. Provide sufficient clearance for machine movement.
  • Page 8 • Do not use the machine in the presence of solvent fumes. CWT3P]VTa5a^\>_TaPcX]VFXcW6dPaSb^a2^eTabAT\^eTS ® Like other types of industrial equipment, Milnor washer-extractors utilize high voltage electrical power to drive a wide variety of moving parts. Even with external power completely removed, the machine may contain energy such as tensioned springs and heavy parts that may fall if released.
  • Page 9 Verify monthly that the machine cannot be made to operate by any means other than inserting the proper number of coins with the door closed (see accompanying document “How To Test Your Milnor Coin Operated Washer-Extractor's Electronic Coin Counter and Locking-type Door Interlock”).
  • Page 10 CQVUdi V_b 3_Y^ ?`UbQdUT GQcXUb5hdbQSd_bc • To test the electronic coin counter and the locking-type door interlock (monthly), perform all of the following steps, in order. Do not skip any step. Step 1. Make sure that power is ON to your machine. Step 2.
  • Page 11 CQVUdi V_b 3_Y^ ?`UbQdUT GQcXUb5hdbQSd_bc a. If the machine starts without coins at any time as power is turned ON, take the machine out of service until the coin counter has been changed. Do not return the machine to service until it successfully passes all seven steps described herein. b.

  • Page 13: Section 1: Commissioning

    Section Commissioning...

  • Page 15: Section 2: Operating

    Section Operating...

  • Page 16: Operation Of C4A Electronic Coin Washer-Extractor

    MSOP0502AE/9274AV (1 of 3) È O PERATION OF C4A ELECTRONIC COIN WASHER-EXTRACTOR ENTANGLEMENT HAZARD—The linen inside or hanging partially outside a turning cylinder can suddenly wrap around you hand, arm, or body and twist off/sever it. You can be killed or seriously injured.
  • Page 17 Time Remaining display counts down minutes. The decimal flashes when the timer is counting. Î F IGURE 1 (MSOP0502AE) Î W ash Cycle Timing for C4A Models Ï W ash Formula for 30015C4A and 30020C4A Models Selected Temperature Operation...
  • Page 18 OPERATION OF C4A ELECTRONIC COIN WASHER-EXTRACTOR MSOP0502AE/9274AV (3 of 3) Ê T he Power Restoration Sequence Ë I f Machine Memory Is Corrupt —If the machine loses power while a wash cycle is running and microprocessor memory is corrupt (current wash cycle is not retained), the machine resets as shown in “The Power Up Sequence”...

  • Page 19: How To Set Required Number Of Coins

    MSIN0501AE/9274AV (1 of 2) È H OW TO SET REQUIRED NUMBER OF COINS For all electronic coin washer extractors, the number of coins required to start the wash cycle is determined by a six-position DIP switch (SW1) on the processor board (see FIGURE 1). Each position of the DIP switch (num- bered 1-6) represents a specific number of coins, as shown in the Table of Sample Coin Count Settings in this section.
  • Page 20 HOW TO SET REQUIRED NUMBER OF COINS MSIN0501AE/9274AV (2 of 2) Ï T able of Sample Coin Count Settings Switch Position and Number of Coins Represented Position 1 Position 2 Position 3 Position 4 Position 5 Position 6 Coin Count (1 coin) (2 coins) (4 coins)

  • Page 21: Section 3: Troubleshooting

    Section Troubleshooting...

  • Page 22: Testing Display, Inputs, And Outputs On The Electronic Coin Washer-Extractor

    T ESTING DISPLAY, INPUTS, AND OUTPUTS ON THE ELECTRONIC COIN WASHER-EXTRACTOR The C4A electronic coin washer-extractor control includes several diagnostic features to aid in troubleshoot- ing equipment problems. Procedures for using the following diagnostics are explained in this section: 1. How To View the Software Version—allows verification of software version and machine configuration 2.
  • Page 23 NOTE: If the first digit in the Time Remaining display is an alphabetic character (A-Z), the software is non-standard; therefore, the wash cycle may not be the same as that described in “OPERATION OF C4A ELECTRONIC COIN WASHER-EXTRACTOR” (see Table of Contents).
  • Page 24 H ow To Test the Displays C4A models are equipped with a Test button beneath the Run/Test keyswitch, as shown in FIGURE 2. Press this button once to begin testing the light emitting diode (LED) displays. All five digits will simultaneously display “1,”...
  • Page 25 TESTING DISPLAY, INPUTS, AND OUTPUTS ON THE ELECTRONIC COIN WASHER-EXTRACTOR MSTS0501AE/9274AV (4 of 5) Ï T able of Microprocessor Inputs Segment Connector- Input Status when Illuminated Input Name Illuminated Test Button (SHPS) MTA4-6 Test button depressed. (This input can be tested only if the Test button is HELD DEPRESSED while in the display test.) Door Interlock (CRDL)
  • Page 26 TESTING DISPLAY, INPUTS, AND OUTPUTS ON THE ELECTRONIC COIN WASHER-EXTRACTOR MSTS0501AE/9274AV (5 of 5) Ï T able of Manual Outputs Test Output Relay Relay Name or Result or Test Sequence Number Functions Tested Relay/Test status shown in “Machine Status” Clutch 0=engage extract clutch 1=engage wash clutch Cold water valve 0=close cold water valve 1=open cold water valve...

  • Page 27: How To Correct Errors With The C4A Control

    (see “Accessing the Formula Count Accumulator” in “OPERA- Remaining Status accumulator was reset TION OF C4A ELECTRONIC COIN WASHER-EXTRACTOR” (see to “000” Table of Contents)). Manually clear the accumulator to correct this error: 1. Open loading door, and set Run/Attendant keyswitch to “Attendant.”...
  • Page 28 HOW TO CORRECT ERRORS WITH THE C4A CONTROL MSTS0502AE/9274AV (2 of 2) Ë “ Level Switch” Fault level switch normally Check for faulty level switch. Replace if necessary. open contact is Time Machine CLOSED. Remaining Status Ë “ Too Long to Fill” Error maximum fill time Software Date Codes before 20003: Operation terminates.

  • Page 29: Section 4: Supplemental Information

    Section Supplemental Information...

  • Page 30: The Hardware In C4A Electronic Coin Washer-Extractor Controls

    G eneral ® The MILNOR C4A microprocessor control is designed specifically for MILNOR machines. Along with certain external electromechanical relay logic and sensing devices, they control all machine and system functions. Not every microprocessor includes all the following components. Ê...
  • Page 31 THE HARDWARE IN C4A ELECTRONIC COIN WASHER-EXTRACTOR CONTROLS MSFD0503AE/9274AV (2 of 2) Ë 5 . Output Board —The 16 output relays are socket-mounted SPDT electromechanical relays with contacts capable of faithfully conducting a maximum of 25VA (0.1 ampere or 100 milliamperes at 220/240VAC, or 0.2 amperes or 200 milliamperes at a maximum of 110/120VAC).

  • Page 32: How To Change Eproms In Microprocessors And Where To Check The Dc Voltages

    MSSM0217AE/9020IV (1 of 5) È H OW TO CHANGE EPROMS IN MICROPROCESSORS AND WHERE TO CHECK THE DC VOLTAGES Occasionally, software enhancements become available. Depending upon the software change, the new soft- ware EPROMs (Erasable, Programmable, Read-Only Memory) may be offered for sale or for no charge to the customer.
  • Page 33 HOW TO CHANGE EPROMS IN MICROPROCESSORS AND WHERE TO CHECK THE DC VOLTAGES MSSM0217AE/9020IV (2 of 5) Ê L ocation of EPROMs on Processor Board Depending on machine model and type, the CPU chip can be an Intel 8085 or an Intel 8088. Each microproc- essor board requires at least one EPROM for proper operation, but the EPROMs are located differently, depending upon the type of board.
  • Page 34 HOW TO CHANGE EPROMS IN MICROPROCESSORS AND WHERE TO CHECK THE DC VOLTAGES MSSM0217AE/9020IV (3 of 5) Ë 8 085 Coin Machine Processor Boards —See FIGURE 5. Install the single EPROM in socket IC7 below connector W34. These boards have no battery. DIP switch 8085 chip EPROM in...
  • Page 35 HOW TO CHANGE EPROMS IN MICROPROCESSORS AND WHERE TO CHECK THE DC VOLTAGES MSSM0217AE/9020IV (4 of 5) Ë 8 088 Processor Boards Without Memory Expansion Board —See the table of EPROM loca- tions (below) and FIGURE 7. If the set consists of only one EPROM, install it in socket A of FIGURE 7. If two EPROMs comprise the set, install EPROM #2 in socket A and EPROM #1 in socket B.
  • Page 36 Ë 8 0186 Processor Boards —This processor board is used on all Milnor system controllers (Miltron, Mildata, etc.) equipped with a color monitor, and on textile process- ing machines with software versions 95000 and later. The single EPROM on this board is located in socket IC-2.

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