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MSSM0217AE/9020IV (1 of  5)

È

HOW 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. When a set of EPROMs is changed in the field, ensure that the software version being installed matches
the machine hardware and that EPROMs are installed in the proper socket positions and orientation.

Ê

How To Change EPROMs

SHOCK HAZARD—Electrical components on the machine conduct high voltage
that will kill or seriously injure you on contact.

☞

Lock OFF and tag out electrical power at the main (wall) disconnect before
beginning this procedure.

1.

Make sure all power to the machine is 

off.

2.

Locate the EPROMs as described in “Location of EPROMs on Proces-
sor Board” in this section. Note the orientation of the EPROMs as
shown in FIGURES 3, 5, 7, and 9.

3.

Slip a small flat tool underneath the EPROM, and carefully remove
each old EPROM from its base, taking note of their numerical order
(see FIGURES 3 and 7) and orientation to the key notch on the socket.

4.

Install new EPROMs, making sure the key notch on the EPROM is
properly oriented and that all pins enter the proper holes in the socket
(FIGURE 1). If necessary, slightly bend the pins on the EPROMs to
align them in the socket. After inserting each EPROM, verify that all
pins are seated in the socket.

COMPONENT DAMAGE HAZARD—Incorrectly installing any EPROM may
cause EPROM burn out, machine failure, or display error.

☞

Match each EPROM with its corresponding socket. Each EPROM will 

work in

only one socket, although it may physically 

fit in others.

☞

Align EPROM so every pin mates with the correct hole in the socket.

Ë

Verifying Proper EPROM Installation

—After installing new EPROMs, apply power to the machine

and turn the machine 

on

. If the EPROMs are properly installed, the display will continue with the normal display

sequence when powering up. If the display is blank or appears unusual, turn the machine 

off

 at once and check the

orientation of the EPROMs.

G

B
E

F

F

D

Î

FIGURE 1 

(MSSM0217AE)

Î

Properly Seating the EPROM

Содержание C4A

Страница 1: ...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 ...

Страница 2: ...ublishing system access date and whether the document ECN s are the latest available or exact References to Yellow Troubleshooting Pages This manual may contain references to yellow pages Although the pages containing troubleshooting procedures are no longer printed on yellow paper troubleshooting instructions if any will be contained in the easily located Troubleshooting chapter or section See th...

Страница 3: ...ion 2 Operating 12 Operation of C4A Electronic Coin Washer Extractor MSOP0502AE 9274AV 15 How to Set Required Number of Coins MSIN0501AE 9274AV 17 Section 3 Troubleshooting 18 Testing Display Inputs and Outputs on the Electronic Coin Washer Extractor MSTS0501AE 9274AV 23 How to Correct Errors with the C4A Control MSTS0502AE 9274AV 25 Section 4 Supplemental Information 26 The Hardware in C4A Electr...

Страница 4: ......

Страница 5: ...ated on the inside front cover upper right corner just above the manual name Whenever the manual is reprinted with new information part of this number changes If the date code after the changes the new version applies to all machines covered by the old version but is improved thus the old version can be discarded If the manual number before the changes the new manual covers only new machines Examp...

Страница 6: ...quipment is restricted to those employees given the task of using it only specifically designated workers carry out repairs modifications maintenance or servicing information instruction and training is provided workers and or their representatives are consulted Work equipment must comply with the requirements listed below The owner user must verify that installation and maintenance of equipment i...

Страница 7: ...e maintenance schedule Replace belts pulleys brake shoes disks clutch plates tires rollers seals alignment guides etc before they are severely worn Immediately investigate any evidence of impending failure and make needed repairs e g cylinder shell or frame cracks drive components such as motors gear boxes bearings etc whining grinding smoking or becoming abnormally hot bending or cracking of cyli...

Страница 8: ...hine may contain energy such as tensioned springs and heavy parts that may fall if released As previously stated the washer cylinder acquires tremendous potential energy during extract which must be absorbed by the brake or permitted sufficient time to dissipate Every guard side panel and door on the machine exists to isolate energized or moving parts from laundry personnel and must be securely in...

Страница 9: ...your licensed electrician and take immediate steps to comply if your installation does not now meet the National Electric Code requirement 8 U a cWT 2dbc Ta Post signs prominently in the laundry or use whatever additional effective means are available to inform the customer of the entrapment hazard and how to minimize the hazard including but not necessarily limited to the following 1 that childre...

Страница 10: ...ice until it successfully passes all seven steps described herein b If the machine does not accept coins with the door open proceed to Step 4 Step 4 With the door open manually operate the door switch actuator 100 times Figure 1 Operate the actuator for one second ON depressed then one second OFF released If the machine completed steps 1 2 and 3 successfully this tests if simply closing the door w...

Страница 11: ... full 2 5 minutes then proceed to step 7 20DC8 BRP S 7PiPaSb Contact with hot bath liquor can scald you During following step hold the door firmly closed as shown in Figure 3 to prevent door from springing open if the latch retracts during this test Figure 3 Hold Door Shut When Testing the Door Interlock Step 7 After the machine has been running at least 2 5 minutes and while manually holding the ...

Страница 12: ......

Страница 13: ...Section 1 Commissioning ...

Страница 14: ...Button Used during normal operation to reduce the level of suds in the machine to a level below the Suds Level line on the loading door glass thus increasing washing efficiency During output testing this button is used to toggle individual outputs and functional tests ON and OFF Ë S TART Button optional This button optional not shown is enabled when the Run Attendant keyswitch is set to Attendant ...

Страница 15: ...Section 2 Operating ...

Страница 16: ...y supplied option the machine may be equipped for second and third baths to be cold only regardless of the temperature selected Deposit coins Operation begins when last coin is accepted When first coin is accepted display stops flashing and counts down number of coins inserted Coins are rejected if the door is open The door locks 1 minute after the machine accepts the last coin Ë How To Counteract...

Страница 17: ...Models Operation Time Coast Time Selected Temperature Hot Warm Cold Bleach Suds bath 6 00 1 00 Hot Split Cold Low speed extract 1 00 0 30 Rinse 2 00 1 00 Split Split Cold Low speed extract 1 00 0 30 Softener bath 2 00 1 00 Cold Split Cold High speed extract 6 00 1 20 Total Time 18 00 5 20 23 20 As a factory option second and third baths may be cold only Î FIGURE 1 MSOP0502AE Î Wash Cycle Timing fo...

Страница 18: ...wash speed for 18 5 seconds 2 Basket accelerates to distribution speed and maintains speed for 60 seconds 3 Timer starts and basket accelerates to extract speed If the interrupted step is a low speed extract the wash cycle proceeds normally If the interrupted step is a final high speed extract the machine maintains low extract speed for 100 seconds then accelerates to high extract speed Ê Accessin...

Страница 19: ...inclusive The required count is represented by the total of all switches set to the ON position SHOCK HAZARD may cause severe injury Lock OFF and tag out machine power at wall disconnect before removing panels Using a small insulated screwdriver or wooden pencil set the DIP switch for the desired number of coins See the Table of Sample Coin Count Settings in this section for available settings NOT...

Страница 20: ...tion 1 1 coin Position 2 2 coins Position 3 4 coins Position 4 8 coins Position 5 16 coins Position 6 32 coins 1 coin 6 coins 8 coins 10 coins 12 coins 16 coins 18 coins 20 coins 24 coins 30 coins 36 coins 42 coins 48 coins 51 coins 63 coins HOW TO SET REQUIRED NUMBER OF COINS MSIN0501AE 9274AV 2 of 2 ...

Страница 21: ...Section 3 Troubleshooting ...

Страница 22: ...w To Test the Displays verifies that display is fully operational 4 How To Test the Microprocessor Inputs verifies ON OFF condition of inputs and 5 How To Test the Outputs allows manual operation of machine outputs CRUSHING AND ENTANGLEMENT HAZARD may result in loss of fingers or limbs DO NOT operate this machine without all panels securely in place The panels prevent access to the drive mechanism...

Страница 23: ... the Test button is pressed Ë How To Interpret the Software Version The first digit in the Deposit Coins display represents the machine class In the case of 30015C4A and 30020C4A models this number is 2 The second digit in the Deposit Coins display is ignored for these models The two digits in the Time Remaining display along with the single digit in the Machine Status display make up the revision...

Страница 24: ...nning the input test sequence Segment A2 corresponds to Test Mode when this segment lit the machine is functioning normally in Test mode Other segments of the display represent other microprocessor inputs as listed in the Table of Microprocessor Inputs in this section Manually actuate each input for testing and verify that the corresponding segment of the Time Remaining display illuminates Segment...

Страница 25: ...he coin mechanism is open G2 not used Ê How To Test the Outputs Press the Test button to enter the output test from the input test When the output test is active the Deposit Coins display flashes 00 The Table of Manual Outputs in this section lists the tests of output relays and systems Press the Test button to scroll the appropriate test see Table of Manual Outputs into the Time Remaining display...

Страница 26: ...wise Energize counter clockwise wash relay CRWAA and engage wash clutch 13 K12 Not used None 14 K13 Not used None 15 K14 Drain solenoid 0 open drain valve 1 close drain valve 16 K15 Door interlock 0 unlock door 1 lock door 17 Functional test Water valves drain solenoid level switch and reversing wash speed Door must be closed for this test Engage wash clutch and open water valve s Basket reverses ...

Страница 27: ... to 000 This error may be caused by a protracted lack of power to the processor board or when the machine is first started after the processor board is replaced see Accessing the Formula Count Accumulator in OPERA TION OF C4A ELECTRONIC COIN WASHER EXTRACTOR see Table of Contents Manually clear the accumulator to correct this error 1 Open loading door and set Run Attendant keyswitch to Attendant 2...

Страница 28: ...Error clears without manual inter vention when level is achieved Corrective Action Check inlet water pressure and check debris screens on inlet tubing Ë Too Long to Drain Error maximum drain time 40 seconds exceeded Operation terminates door unlocks after 15 seconds with operation dis abled during delay Check for clogged drain line or stuck drain valve Corrective Action Turn Run Attendant keyswitc...

Страница 29: ...Section 4 Supplemental Information ...

Страница 30: ...e CPU board The power supply is auto switchable between 120VAC and 240VAC Although the 12VDC and 12VDC are not adjustable the 5VDC is rather sensitive and the power supply must be adjusted most accurately so that the actual voltage at the Power Supply and at the CPU board is between 5 04 VDC and 5 06VDC as measured by an accurate digital voltmeter otherwise the machine will likely malfunction Ë 4 ...

Страница 31: ...e These outputs and their power source are intended only to drive another relay with higher contact ratings that in turn may drive a pump valve solenoid etc from a separate power source Never use these outputs to directly drive a pump valve or solenoid unless the maximum current required never exceeds the above values Higher ampere or VA loads will burn out traces on the printed circuit board or p...

Страница 32: ...derneath the EPROM and carefully remove each old EPROM from its base taking note of their numerical order see FIGURES 3 and 7 and orientation to the key notch on the socket 4 Install new EPROMs making sure the key notch on the EPROM is properly oriented and that all pins enter the proper holes in the socket FIGURE 1 If necessary slightly bend the pins on the EPROMs to align them in the socket Afte...

Страница 33: ...on each type of board It also describes where to check the voltages required by the processor board Ë 8085 Processor Boards NOT Coin Machine See FIGURE 3 Install EPROM 1 at the end of the row then 2 3 and 4 Chip 4 goes next to the two soldered chips on the board See FIGURE 2 for where to check voltages B C Î FIGURE 2 MSSM0217AE Î MTA 31 on 8085 Processor Board wires not shown for clarity Î FIGURE ...

Страница 34: ...o battery H Î FIGURE 4 MSSM0217AE Î MTA 1 in 8085 Coin Machine wires not shown for clarity DIP switch EPROM in socket IC 7 8085 chip Capacitor MTA connectors Chassis ground Î FIGURE 5 MSSM0217AE Î 8085 Coin Machine Processor Board HOW TO CHANGE EPROMS IN MICROPROCESSORS AND WHERE TO CHECK THE DC VOLTAGES MSSM0217AE 9020IV 3 of 5 ...

Страница 35: ... four chip set on the processor board with the highest numbered E PROM EPROM 4 of a four chip set in socket A and the EPROM with the second highest number EPROM 3 of a four chip set in socket B Install the remaining EPROM s on the Memory Expansion Board with the highest numbered of the remaining EPROMs e g EPROM 2 of a four chip set in socket IC 1 on the Memory Expansion Board and EPROM 1 in socke...

Страница 36: ...I Î FIGURE 8 MSSM0217AE Î 1MTA 31 on 80186 Board wires not shown for clarity Capacitor 80186 Processor EPROM in socket IC 2 Chassis Ground R M T A 3 5 IM TA28 M T A 4 0 M T A 3 7 M T A 3 6 M T A 3 8 M T A 3 9 2 M T A 3 1 1 M T A 3 2 1 M T A 3 3 1 M T A 3 4 1 M T A 2 9 M T A 3 0 1 M T A 3 1 ROM socket empty except for Japan Î FIGURE 9 MSSM0217AE Î 80186 Processor Board HOW TO CHANGE EPROMS IN MICRO...

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