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High-output, temperature controlled
Instruction Manual
Thank you for purchasing the Hakko 941 soldering station.
This high-output, temperature controlled compact soldering
station uses a composite tip, incorporating heater and sensor
functions into one element. Several process control features,
unique to the Hakko 941, make it applicable to a broad range
of soldering applications.
Please read this manual before operating the Hakko 941. Keep
this manual readily accessible for reference.
1. PACKING LIST ................................................................ 1
2. SPECIFICATIONS........................................................... 1
4. PART NAMES ................................................................. 3
5. INITIAL SETUP ............................................................... 3
6. OPERATION ................................................................... 5
7. ENTERING TIP OFFSET VALUES ................................. 8
8. PARAMETER SETTINGS ............................................. 10
9. MAINTENANCE ............................................................ 12
10. ERROR MESSAGES .................................................... 14
11. TROUBLE SHOOTING GUIDE ..................................... 15
12. PARTS LIST .................................................................. 16
13. TIP STYLES .................................................................. 18
14. WIRING DIAGRAM ....................................................... 19
compact soldering station
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Summary of Contents for Hakko Electronics 941
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Page 1: Table Of Contents
Several process control features, unique to the Hakko 941, make it applicable to a broad range of soldering applications. Please read this manual before operating the Hakko 941. Keep this manual readily accessible for reference. -
Page 2: Packing List
1. PACKING LIST Hakko 941 soldering station ......1 Tip tray ............1 Hakko 911 soldering iron ........ 1 Cleaning sponge ..........1 Power cord ............. 1 Instruction manual .......... 1 Control card ............ 1 Card chain ............1 Heat resistant pad .......... 1 Tips (not included) Iron holder ............ -
Page 3: Warnings, Cautions, Notes And Examples
To prevent accidents or damage to the Hakko 941, be sure to observe the following: G Do not use the Hakko 941 for applications other than soldering. G Do not allow the Hakko 941 to become wet, or use it when hands are wet. G Do not modify the Hakko 941. -
Page 4: Part Names
4. PART NAMES Control card Card chain Receptacle Power switch Fuse Station Power receptacle Cleaning sponge Hakko 911 Tip (not included) Soldering iron Iron holder Tip tray Power cord Heat resistant pad 5. INITIAL SETUP A. Iron holder 1. Adjust the height of the iron holder to suit, as follows: i. - Page 5 2. Set the iron in the iron holder. 3. Plug the power cord into a grounded wall socket. The Hakko 941 is protected against electrostatic discharge and must be grounded for full efficiency.
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Page 6: Operation
3. If the offset value is not 0°C./0°F., enter the tip offset value following the instructions on CAUTION: page 8. The Hakko 941 is preset at 350°C. at the factory. Check the temperature setting by pressing the button. CAUTION: The set temperature will be displayed for two seconds. - Page 7 G G G G G Factory settings The Hakko 941 comes from the factory with the following values preset: Temperature scale Celsius Auto power shutoff disabled Low temperature alarm setting ˚ Resetting the supervisor/ operator control setting Set temperature ˚...
- Page 8 3. Entering the tens digit • Press the button to set the desired figure. Any value from 0 to 9 can be selected. When the desired figure is Press the button. displayed, press the button to enter. The units digit will begin to flash. 4.
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Page 9: Entering Tip Offset Values
‘Tip Temperature Offset’. Each Hakko 941 tip style has a specified offset value, which may be entered into the station to either add to or subtract from the set value, thus producing the desired tip temperature. Please refer to the tip styles and offset values on the separate sheet. - Page 10 G G G G G Method 2. How to enter the tip offset value into the Hakko 941 This method requires measuring the tip temperatures with a tip thermometer and is recommended for the most accurate process control.
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Page 11: Parameter Settings
8. PARAMETER SETTINGS G G G G G Entering the parameters The Hakko 941 has the following three parameters: 1) °C or °F temperature display selection 2) Auto power shutoff 3) Low-temperature alarm tolerance setting 4) Resetting the supervisor/operator control setting Once the station enters parameter mode, set the parameters in the order shown below. - Page 12 • If you enter a value exceeding the allowable buzzer will stop. The value is stored in the Hakko range shown to the left, you will be brought 941 as described in the example below: back to entering a value in the hundreds digit. EXAMPLE: If this occurs, re-enter a correct value.
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Page 13: Maintenance
Always clean the soldering tip before use, to remove any residual solder or flux adhering to it. Use a clean and moist cleaning sponge (provided with the Hakko 941) or the Hakko 599 tip cleaner. Contaminants on the tip have many deleterious effects, including reduced heat conductivity, which contribute to poor soldering performance. - Page 14 G G G G G Checking Procedure WARNING: Unless otherwise directed, carry out these procedures with the power switch OFF and the power UNPLUGGED. I I I I I Check for a broken heater or 1. Check for a broken heater or sensor sensor Measure the resistance across this position.
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Page 15: Error Messages
CAUTION: The sensor error also occurs if the tip is not inserted properly. Once the tip is inserted properly, the HAKKO 941 is restarted. G G G G G Low-temperature alarm If the sensor temperature falls below the dif- ference between the current temperature... -
Page 16: Trouble Shooting Guide
11. TROUBLE SHOOTING GUIDE WARNING: • Before checking the inside of the Hakko 941 or replacing parts, be sure to disconnect the power plug. Failure to do so may result in electric shock. G G G G G The unit does not... -
Page 17: Parts List
(Fluted point) (Fluted point) (M2.6 x 10) (4) (M3 x 8) (3) Tapping screw (Fluted point) • (M4 x 10) (2) 941 Station Item No. Part No. Part Name Description Item No. Part No. Part Name Description B2568... -
Page 18: Heat Resistant Pad
G 911 Iron Item No. Part No. Part Name Description 1–4 911-01 Hakko 911 15V-45W G 911 Parts Item No. Part No. Part Name Description B2379 Handle assembly With connecting cord B2380 O-ring spacer B2284 O-ring (P5) B2378 Nipple With handle cover, O-ring (P5) See page 18 B2665 Heat resistant pad... -
Page 19: Tip Styles
13. TIP STYLES 90(3.51) 110(4.29) Unit: mm (in.) T1-B Shape-B T1-08D Shape-0.8D T1-12D Shape-1.2D (0.1) (0.1) (0.29) (0.02) (0.02) (0.29) (0.29) T1-16D Shape-1.6D T1-24D Shape-2.4D T1-4D Shape-4D 3 (0.1) (0.14) 3.5 (0.16) (0.02) (0.29) (0.02) (0.02) (0.29) (0.29) T1-1BC Shape-1BC T1-2BC Shape-2BC T1-3BC Shape-3BC ˚... -
Page 20: Wiring Diagram
14. WIRING DIAGRAM Power switch Power receptacle P.W.B./Power supply P.W.B./Temperature control Grounding plate Transformer Connector board ® HEAD OFFICE 4-5, SHIOKUSA 2-CHOME, NANIWA-KU, OSAKA, 556-0024 JAPAN TEL:+81-6-6561-3225 FAX:+81-6-6561-8466 http://www.hakko.com OVERSEAS AFFILIATES TAIWAN: HAKKO DEVELOPMENT CO., LTD. PHILIPPINES: HAKKO PHILS TRADING CO., INC. 3F., NO 110, CHUNG HSIN RD., SEC.3, SANCHUNG, TAIPEI NO.
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