ISHIDA WM-NANO User manual

WM-NANO
Service Manual
IMPORTANT
•Do not carry out installation, operation, service, or
maintenance until thoroughly understanding the
contents of this manual.
•Keep this manual available at all times for
installation, operation, service, and maintenance.
PN 154792

（2）
© ISHIDA Co., Ltd. 2012 All rights are reserved.
No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any
means mechanical, electronic, photocopying, recording, or otherwise without prior written permission of ISHIDA.

Introduction
Introduction
•This service manual contains information necessary for servicing the machine.
•Do not carry out installation, operation, service, or maintenance until thoroughly understanding the
contents of this manual.
•These service instructions are for use by qualified service personnel who fully understand the potential
hazards involved. To avoid any possible danger, do not perform any service procedures unless
qualified to do so. To ensure personal safety, do not perform any service procedures that are not
specifically mentioned in this manual.
•Names of parts in this manual use functional expressions. Therefore, they might be different from
names of parts in the parts list.
•Signal Words
This machine is manufactured for use according to proper procedures by a qualified person and only
for the purposes described in this manual. The following conventions are used to indicate and classify
precautions depending on the level of danger, or seriousness of potential injury. Always heed the
information provided in this manual and the stickers put on the machine. Failure to heed precautions
may result in personal injury or property damage.
1. Precautions
Signal Word Meaning
Indicates a potentially hazardous situation, which, if not avoided, will
result in severe injury or death.
Indicates a potentially hazardous situation, which, if not avoided, could
result in severe injury or death.
Indicates a potentially hazardous situation, which, if not avoided, may
result in minor or moderate injury or in property damage.
2. Information
Signal Word Meaning
NOTE: Indicates information that needs to be noted or emphasized.
Indicates the reference information.
Indicates the reference page.
（3）

Introduction
Table of Contents
WM-NANO..................................................................................................................1
Service Manual..........................................................................................................1
IMPORTANT............................................................................................................ 1
1. Precautions...........................................................................................................3
2. Information............................................................................................................3
Table of Contents......................................................................................................4
Chapter 1 Overview..............................................................................................1-1
1.1. Specifications................................................................................................ 1-1
1.1.1 General Specifications............................................................................ 1-1
1.1.2 Wrapper Specifications........................................................................... 1-1
1.1.3 Operation Unit Specifications ................................................................. 1-2
1.1.4 Weighing Unit Specifications .................................................................. 1-2
1.1.5 Options...................................................................................................1-2
1.1.6 Reliability/Service Life............................................................................. 1-3
1.2. Part Names..................................................................................................... 1-4
1.2.1 Appearance ............................................................................................ 1-4
1.3. Outline Dimensional Drawings .................................................................... 1-6
1.3.1 Dimensions.............................................................................................1-6
1.4. Installation Space.......................................................................................... 1-7
1.5. Power Supply................................................................................................. 1-7
1.6. Cautions for Unpacking................................................................................ 1-8
1.7. Instruction for Carrying and Setting............................................................ 1-9
1.7.1 Handling of Controller (Uni-7 RP)........................................................... 1-9
1.7.2 Carrying the Machine.............................................................................. 1-9
1.7.3 Setting on the Stand or the Table......................................................... 1-11
1.7.4 Setting on the Ishida Stand................................................................... 1-12
1.7.5 Cabling between UNI-7 and Wrapper................................................... 1-13
Chapter 2 Functions for Each Mode...................................................................2-1
2.1 Normal Mode.................................................................................................. 2-2
2.1.1 Return Process at Power ON ................................................................. 2-2
2.1.2 How to Use Preset Keys.............................................................................. 2-3
2.2 PROGRAM Mode ........................................................................................... 2-9
2.2.1 WRAP Tab Added to PLU ...................................................................... 2-9
2.2.2 Preset Keys Added............................................................................... 2-10
2.2.3 TRAY Added to Menu........................................................................... 2-11
2.3 SETUP Mode................................................................................................ 2-15
2.3.1 Switching to Service Mode ................................................................... 2-15
2.3.2 FUNCTION KEY Items Added to KEY LOCK....................................... 2-15
2.3.3 Items Added to PLU OVERWRITE....................................................... 2-17
2.3.4 WRAP Tab Added to PLU INITIAL DATA............................................. 2-18
2.3.5 Items Added to PLU UPDATE.............................................................. 2-19
2.3.6 COUNTRY (MISC) Screen Added........................................................ 2-21
2.3.7 Tray Master Added to FILE SAVE / LOAD ........................................... 2-22
（4）

Introduction
2.4 ADJUST Mode.............................................................................................. 2-25
2.4.1 Switching to Service Mode ................................................................... 2-25
2.4.2 MEMORY CLEAR Items Added............................................................ 2-25
2.4.3 SUB Tab Added to DOWN LOAD......................................................... 2-26
2.4.4 WRAPPER Added to Menu .................................................................. 2-28
2.4.5 UNIT TEST Added to Menu.................................................................. 2-30
2.4.6 WM-NANO Added to MODEL............................................................... 2-31
Chapter 3 Hardware (Mechanical).......................................................................3-1
3.1 Removing Units............................................................................................. 3-1
3.1.1 Removing the Infeed Unit....................................................................... 3-1
3.1.2 Removing the Wrapping Unit.................................................................. 3-6
3.1.3 Dividing the Film Conveying Unit into Two ........................................... 3-16
3.1.4 Points for Unit Assembly....................................................................... 3-28
3.2 Adjustment................................................................................................... 3-29
3.2.1 Adjusting Clamp Position...................................................................... 3-29
3.2.2 Adjusting Lift Height.............................................................................. 3-33
3.2.3 Adjusting the Film Arm.......................................................................... 3-36
3.2.4 Adjusting the Mini-keeper..................................................................... 3-46
3.2.5 Adjusting the Operating Range of the Infeed Unit’s Claw..................... 3-47
3.2.6 Adjusting Cutter Solenoid Position........................................................ 3-49
3.2.7 Adjusting Cutter Blade Position............................................................ 3-50
3.2.8 Adjusting Left and Right Squeezing Plates Widening Amount.............. 3-51
3.2.9 Adjusting Squeeze Amount of the Postsqueezing Plate....................... 3-52
3.2.10 Adjusting Discharge Pusher Standby Position...................................... 3-53
3.2.11 Adjusting Tray Holder Height................................................................ 3-54
3.2.12 Adjusting Claw Height of the Infeed Unit .............................................. 3-55
Chapter 4 Hardware (Electrical)..........................................................................4-1
4.1 Electrical Unit Board Configuration ............................................................ 4-1
4.1.1 Alignment of Each Control Unit............................................................... 4-1
4.1.2 Front Weighing Unit................................................................................ 4-2
4.1.3 Wrapping Control Unit (1/2).................................................................... 4-3
4.1.4 Wrapping Control Unit (2/2).................................................................... 4-4
Chapter 5 Troubleshooting .................................................................................5-1
5.1 Operation as IP (Scale and Printer) ............................................................. 5-1
5.2 Error Messages ............................................................................................. 5-2
5.2.1 Error Display........................................................................................... 5-2
5.3 Error List ........................................................................................................ 5-3
5.3.1 Error relates to System (Code 100s) ...................................................... 5-3
5.3.2 Error relates to Memory (Code 200s) ..................................................... 5-5
5.3.3 Error relates to checking (Code 300s).................................................. 5-10
5.3.4 Printers (No. 700s to 900s, 1600s, and 1800s) .................................... 5-14
5.3.5 Error relates to wrapper (Code 500s) ................................................... 5-25
5.3.6 Error related to printer (Code 700s)...................................................... 5-25
5.3.7 Error related to scale (Code 1600s)...................................................... 5-28
Appendix 1 Periodic Replacement Parts...............................................................1
Appendix 2 Wrapping by WM-NANO .....................................................................1
2.1 Part Names .........................................................................................................1
2.2 Wrapping Operation............................................................................................2
Appendix 3 Electric Wiring Diagram......................................................................1
（5）

Introduction
（6）

Chapter 1 Overview
1-1
Chapter 1 Overview
1.1. Specifications
1.1.1 General Specifications
Item Details
Product Name WM-NANO
Product Category Stretch Wrapper
Product Lineup Single Film Wrapping
Environmental
Conditions Temperature: 5°C to 35 °C
Humidity: 20 to 85% (no condensation)
Dimensions
M Type L Type
Width Within 653 mm Within 698mm
Depth (including
infeed block) Within 756 mm Within 865 mm
Depth (excluding
infeed block) Within 640 mm Within 720 mm
Infeed Block
Height Within 150 mm Within 150 mm
Discharge Block
Height Within 365 mm Within 365 mm
Overall Height Within 572 mm Within 572 mm
* Excluding operation unit and film
External Facing Stainless Steel with Plastic
Power Supply 200 to 240 VAC (Single Phase) 50/60 Hz
No component change required for change of power supply
frequency
Packs Per Minute Up to 15 packs/min.
Wrapping Capacity M Type: 20 to 1500 g
L Type: 20 to 3500 g
Weighing Capacity 0.04 to 15kg
Weight Wrapper Block: M Type: 94.6 kg, L Type: 102.4 kg or less
UNI-7 RP: 10 kg or less
Noise 73 dB or less
1.1.2 Wrapper Specifications
Item Details
Wrapping Method Stretch Wrapping
Wrapping Size M Type:
Width: 150 to 330 mm (5.9 to 13") (bottom 120 mm (4.72") or more)
Depth: 90-210 mm (3.5 to 8.3") (bottom 60 mm (2.36") or more)
Height: 10-130 mm (0.4 to 5.1")
(Tray height of 45 mm (1.8") or less)
L Type:
Width: 150 to 350 mm (5.9 to 13.7")
(Bottom 120 mm (4.72") or more)
Depth: 127 to 254 mm (5 to 10") (bottom 80 mm (3.15") or more)
Height: 10 to 130 mm (0.4 to 5.1")
(Tray height of 45 mm (1.8") or less)
It may not be possible to achieve all three maximum dimensions at
the same time on the machine.
MAP-M: A10 x 14" tray cannot be wrapped.

Chapter 1 Overview
1-2
Item Details
Ishida Wrap (Type M only): Content height of a tray must be up to
100 mm.
Wrapping Tray Material PSP, PP
Wrapping Tray Shape Rectangle (PSP, PP)
Legged, soft, and/or atypical trays are not supported.
Film Size M Type: 350/400/450 mm
(13.7/15.75/17.7")
L Type: 400/450/500/550/560 mm
(15.7/17.72/19.69/21.65/22")
Film Roll Length External Film Diameter:
・M Type: 165 mm (6.3") or less
(Ishida Wrap Super: 1200 m roll, others: 1000 m roll)
・L Type: 200 mm (7.8") or less (1500 m roll)
Film Type Polyolefin, polyvinyl chloride (for machine winding)
Recommended Film Ishida Wrap (Polyvinyl chloride)
Ishida Wrap Super (Polyolefin)
Infeed & Conveyor Conveyor by latch (fixed speed)
Film Replacement To be set on the roller and replaced from the side
Film Transfer Method Belt-Transfer Full-Cut
Film Weld Roller type with cartridge heater
* Do not leave a tray on the heater
If sealing strength is not enough, press it on the roller again.
Cleanability Detachable lift head (water washable, except for the movable block of
the head)
Detachable weighing table (water washable)
Detachable garbage plate of the weighing block (water washable)
1.1.3 Operation Unit Specifications
Item Details
Operation Unit UNI-7 RP
Option Wand scanner
* Must not be attached by the customer
Standard input/output USB x 1
OF slot x 1
Ethernet x 1
Output for cash drawer x 2
* RS232C is used for a link to the wrapper.
1.1.4 Weighing Unit Specifications
Item Details
Weighing Capacity M Type: 6 kg/15 kg
L Type: 15 kg
Scale Interval 0 to 6 kg: Scale interval of 2 g
6 to 15 kg: Scale interval of 5 g (multi-range)
Weighing Precision 1/3000 (Precision class based on new the measurement standard in
Japan: Class III)
1.1.5 Options
Item Details

Chapter 1 Overview
1-3
Item Details
Option Dedicated Stand
Garbage Plate
1.1.6 Reliability/Service Life
Item Details
Service Life 5 years (except for consumables)
Conditions: Operating in 1000 packs/day, 350 days/year (4200
hours)
1.75 million packs for 5 years (21000 hours)
Safety Complying to Ishida's product safety and warning indication
standards, ETL, CE, C-Tick
Standards Ishida's product standards and measurement laws of specified
countries

Chapter 1 Overview
1.2. Part Names
1.2.1 Appearance
1-4

Chapter 1 Overview
1-5

Chapter 1 Overview
1.3. Outline Dimensional Drawings
1.3.1 Dimensions
Dimensions are shown below.
Provide enough space for carry-in route, setup and maintenance.
●M type
Film
●L type
Film
1-6

Chapter 1 Overview
1.4. Installation Space
zProvide enough working space for both sides of the machine.
1.5. Power Supply
HEED THE FOLLOWING PRECAUTIONS ABOUT POWER SUPPLY:
●Use a power supply with rated voltage ground.
Prepare a dedicated power source.
●A power supply that generates voltage variation may cause a malfunction.
●Do not stand on the power cord, and do not place anything heavy on the cord.
Doing so may damage the cord, resulting in accident or trouble.
1-7

Chapter 1 Overview
1.6. Cautions for Unpacking
<Before Unpackin
g
> <After Unpackin
g
>
Do not use a lift under the
product to carry. The
product must be carried
by hand.
Insert hands to the holes red-circled in the picture below to lift and carry the product after unpacking.
1-8

Chapter 1 Overview
1.7. Instruction for Carrying and Setting
・The capacity for the stand of WM-NANO should be more than 200 kg(440 lb). Please make sure that
customers’ stands or tables have same or more durability than the example written in this document
before the setup.
・Please remove the controller (Uni-7 RP) when you carry the machine for the safety purpose.
・The weight of WM-NANO itself is approximately 100 kg (220 lb). *excluding Uni-7 RP
Please be careful not to get injured by dropping the machine when you carry the machine.
* While the stand in the pictures below is the older type, instructions for carry and installation are not
changed.
1.7.1 Handling of Controller (Uni-7 RP)
Please always remove the controller (Uni-7 RP) when you move the machine for the safety purpose.
1.7.2 Carrying the Machine
When carrying the machine, please hold the part between the truss head screws (below picture) at the
back (B), and the bottoms of left & right side (A&C). (red circled part at below picture).
Excluding Uni-7 RP, the weight of WM-NANO itself is approximately 100 kg (220 lb).
Please be careful not to get injured by dropping the machine when you carry the machine.
DO NOT hold the weighing part. It can damage the scale or cause mis-weighings.
1-9
Back
Back
truss head screws
B

Chapter 1 Overview
Back Left
BC
Right Back
A B
DO NOT HOLD
When moving the machine by a trolley, please put it on a flat surface trolley.
Note:
Please make sure that the jack legs of the machine at the bottom side are on the trolley.
Jack legs position
1-10
560 mm
500 mm
Bottom side
Jack legs

Chapter 1 Overview
1.7.3 Setting on the Stand or the Table
Note:
The capacity for the stand of WM-NANO should be more than 200kg(440lb). Please make sure that
customers’ stands or tables have same or more durability than the constitution example written below
before the setup.
A
40 mm B
C
50 mm
D
Constitution example
Material of each part:
A : SUS board thickness 2mm ( 0.08”) Boxed type shape
B : SUS board thickness 2mm (0.08”) L shape
C : SUS board thickness 2mm Boxed type shape
D : SUS board thickness 3mm
Please be careful not to pinch your hands between the stand or the table and the machine when you put
the machine on.
1-11

Chapter 1 Overview
1.7.4 Setting on the Ishida Stand
<Setting on the stand>
Please be careful not to pinch your hands between the stand especially the pronging part of the top table
(red-arrow parts) and the machine when you put the machine on.
Adjust the pronging part of the top table of the stand (red-arrow parts) and screw holes at the bottom of the
machine (blue-arrow parts).
Bottom of the machine
Top table
Bottom of the stand
Com
p
lete
1-12

Chapter 1 Overview
1.7.5 Cabling between UNI-7 and Wrapper
Connect three (3) cables between UNI-7 and the wrapper unit.
●UNI-7 Power Cable
1) Attach the power cable to UNI-7.
To secure the power cable, attach the
L-shaped bracket (accessory of WM-NANO)
with M4 TP screws (accessory of WM-NANO).
2) Connect the power cable to the wrapper unit.
To secure the power cable, use the U-shaped
bracket (accessory of WM-NANO) with M3
SEMS screws (accessory of WM-NANO).
Wrapper end
Power cable
L-shaped bracket
UNI-7 end
M4 TP screws (2) Power cable
U-shaped bracket
M3 SEMS screws
●Communications Cable for Wrapper
1) Remove the plate and (2) countersunk
screws, and attach the communications cable
to UNI-7.
2) Attach the plate with the (2) countersunk
screws.
Slack off the communications cable and use
with the clamp (with M3 TP screws, accessory
of WM-NANO) to secure the cable on the
plate.
Communications cable
Slack off the power cable
Remove the plate and countersunk
screws
(
2
)
.
Countersunk
screws (2)
Plate
Clamp (M3 TP screws)
1-13

Chapter 1 Overview
●Communications Cable for Weighing Unit
Attach the communications cable for the weighing unit to the side of UNI-7.
Communications cable
●Adjusting Gap between UNI-7 and Wrapper
Rotate UNI-7's adjusting feet to adjust the height so that the gap between UNI-7 and the wrapper unit
should be about the diameter of the cable.
If the gap between UNI-7 and the wrapper is insufficient, the cable may be damaged due to stress.
Gap between UNI-7 and wrapper:
Diameter of the cable
Adjusting
feet
1-14