OUTLINE
• Purpose of this manual
This manual is edited for the authorized servicing personnel and used when carrying out services
and maintenance of the machine.
• Relative manual
Refer to the operation manual for ususal operations.
• Symbols used in this manual
1. Warning symbols
Symbol Meaning
Danger
Warning
Caution
Indicates information that, if not avoided, is likely to result in loss of life or serious
injury.
Indicates information that, if not avoided, may result in loss of life or serious
injury.
Indicates information that, if not avoided, could result in relatively serious or
minor injury, damage to the machine or faulty operation.
2. Explanatory symbols
Symbol Meaning
Note
Reference
Refe re nc e
Information
• Readers of this manual
This manual is edited for the servicing personnel. Use by other personnel is not permitted.
• Note
This manual may be revised in accordance with modification when made in the machine.
All rights are reserved. Copying any part of this manual is prohibited without our permission.
Indicates information to call or emphasize for attention to the note.
Indicates the reference page.
Indicates information to help understanding.
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Contents
Chapter 1. Product Overview .................................................................................... 3
1.1 Product Overview ......................................................................................................... 3
1.2 Standard Specifications ............................................................................................... 3
1.3 Appearance .................................................................................................................. 5
1.4 Operation Panel ........................................................................................................... 6
1.5 Outer Dimensions ........................................................................................................ 8
Chapter 2 Test Mode ................................................................................................. 9
2.1 Test Mode Flow ............................................................................................................ 9
2.2 Starting Test Mode ..................................................................................................... 10
2.3 Ending Test Mode ...................................................................................................... 10
2.4 Memory Switch ........................................................................................................... 11
2.5 C1 Mode – Country No. Setting ................................................................................. 11
2.5.1 Country No. Table ................................................................................................. 11
2.5.2 Operation .............................................................................................................. 12
2.6 C2 Mode – Scale No. and Decimal Point Setting ....................................................... 12
2.6.1 Scale No.[ X1 ] Table ............................................................................................ 12
2.6.2 Decimal Point Indication [ X2 ] Table .................................................................... 12
2.6.3 Operation .............................................................................................................. 13
2.7 C3 Mode – Span Adjustment ..................................................................................... 14
2.7.1 Operation .............................................................................................................. 14
2.8 F Mode – Setting Measuring Conditions and E2ROM Clear ...................................... 15
2.8.1 Operation .............................................................................................................. 15
2.8.2 Error No. List ........................................................................................................ 16
Chapter 3 Hardware Configuration ........................................................................ 17
3.1 Mechanisms ............................................................................................................... 17
3.1.1 Dual Display ......................................................................................................... 17
3.1.2 Single Display ....................................................................................................... 19
3.2 Electric Concerns ....................................................................................................... 21
3.2.1 Block Diagram ...................................................................................................... 21
3.2.2 Main Board PS-021 .............................................................................................. 22
3.2.3 Switch Board PS-022 ........................................................................................... 24
3.2.4 Dual Display Board PS-023 .................................................................................. 24
3.2.5 Connection Board PS-019 .................................................................................... 24
Chapter 4 Maintenance ........................................................................................... 25
4.1 Disassembly Procedure ............................................................................................. 25
4.1.1 Case Disassembly Procedure & Assembly Procedure ......................................... 25
4.1.2 Main Board (PS-021) Replacement ...................................................................... 27
4.1.3 Switch Board (PS-022) Replacement ................................................................... 27
4.1.4 Customer Display Board (PS-023) Replacement ................................................. 28
4.1.5 Load Cell Replacement ........................................................................................ 28
4.1.6 Airproof Rubber Ring Replacement ...................................................................... 31
4.2 Troubleshooting ......................................................................................................... 32
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Chapter 1. Product Overview
1.1 Product Overview
• The IPC-WP Series is a water proof type digital scale which can be operated with two batteries.
• The large LCD with 25mm height is provided for the display.
1.2 Standard Specifications
Item Description
Model name
Non-OIML(ASIA)
Weighing capacity
Scale unit
IPC-WP 3 IPC-WP 6 IPC-WP 15
3kg 6kg 15kg
Single range Single range Single range
0.001kg 0.002kg 0.005kg
3.000kg/0.001kg 6.000kg/0.002kg 15.000kg/0.005kg
IPC-WP Series /IPC-WP DUAL Series
Accuracy 1/3000
OIML R76 Class lll
Weighing capacity
Scale unit
Accuracy 1/1500 1/1200 1/1500
lb/kg Switching Specification (USA)
Weighing capacity
Scale unit
0kg to 1.5kg/0.001kg
1.5kg to 3kg/0.002kg
3lb to 6lb/0.005lb
(0kg to 1.5kg/0.001kg)
(1.5kg to 3kg/0.002kg)
Accuracy 1/1500
Weigh platter size 196mm(L)×226mm(W)
Display
Environment condition
Power source
Current consumption Max. 25mA
Auto power off Select: 60 minutes (default), 20 minutes or non Auto power off
Weight (excl. battery) 3.2kg
Single display / Dual diaplay
LCD type 6 digits (7segments) Height : 25mm
Ambient temperature: -5ºC to +40ºC
Relative humidity: 80%RH (Max.), no condensation
Two D-sized dry batteries or AC adaptor
[ Battery duration ]
Two alkaline D-sized batteries (Approximately 500 hours)
3kg 6kg 15kg
Multi interval Multi interval Multi interval
0kg to 3kg/0.002kg
3kg to 6kg/0.005kg
6lb/3kg 15lb/6kg 30lb/15kg
Multi interval Multi interval Multi interval
0lb to 3lb/0.002lb
0lb to 7.5lb/0.005lb
7.5lb to 15lb/0.01lb
(0kg to 3kg/0.002kg)
(3kg to 6kg/0.005kg)
0kg to 7.5kg/0.005kg
7.5kg to 15kg/0.01kg
0lb to 715lb/0.01lb
15lb to 30lb/0.02lb
(0kg to 7.5kg/0.005kg)
(7.5kg to 15kg/0.01kg)
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Item Description
Option AC adaptor (Dealer Option)
xOutput voltage
y 3.2 to 6.0VDC (current load at 25mA, or at IPC connection)
(caution)
1. Output voltage must not exceed 6.0V even if power supply voltage is at
+10%.
2. Output voltage exceeds 3.2V even if power supply voltage is at -15%.
y Generally, AC adaptor output voltage varies with load current.
Confirm output voltage with a 25mA load current (IPC current)
y Output plug configuration/polarity
x Configuration Specification EIAJ RC-5320-2
- Polarity Center Plus
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1.3 Appearance
Front & Rear view
Bottom view
Memory switch
Battery cover assy
Two D-sized dry
batteries
Sheet 3
Battery rubber plug
(option)
5/32 IPC-WP Series Service Manual
Chapter 2 Test Mode
The Test Mode is used for diagnosis and/or setting at maintenance service.
2.1 Test Mode Flow
START
L003b
Program No. display
Note: Press the memory switch at any time during test mode to record the data to the E2PROM.
TARE
TARE
TARE
TARE
Then “P-EP” appears in the display.
C1 X
C2 XX
C3
F x x x
END
Setup of country No.
Setup of scale No.
and decimal point
*
Span adjustment
*
ON/OFF
TARE
TARE
TARE
Setting measuring conditions
E2ROM clear
ZERO
+
*
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