Hakko Electronics 937 User Manual

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SOLDERING STATION
Instruction Manual
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Thank you for purchasing the HAKKO 937 soldering station.
Please read this manual before operating the HAKKO 937.
Keep this manual readily accessible for reference.
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CAUTION
When seeking tip replacements, select only “Hakko” genuine soldering iron tips
that are intended for your particular model of soldering iron (Please refer to the
instruction manual). If an incompatible tip or a tip made by another manufacturer
is used, the original performance of the soldering iron may not be obtained.
Furthermore, the heating element, P.W.B. and transformer may be damaged.
TABLE OF CONTENTS
1. PACKING LIST ...........................................................................1
2. SPECIFICATIONS ......................................................................1
3. WARNINGS AND CAUTIONS ....................................................2
4. PART NAMES.............................................................................3
5. SETTING UP & OPERATING THE HAKKO 937 ........................3
6. PARAMETERS ...........................................................................6
7. CALIBRATION OF IRON TEMPERATURE ................................7
8. CALIBRATION CHART ..............................................................8
9. TIP CARE AND USE ..................................................................9
10. MAINTENANCE .........................................................................9
11. TIP STYLES..............................................................................10
12. ERROR MESSAGES ................................................................11
13. TROUBLESHOOTING GUIDE..................................................12
14.
CHECKING FOR BREAKAGE OF THE HEATING ELEMENT AND CORD ASSEMBLY . 14
15. PARTS LIST (Station/Iron Holder) ............................................16
(Iron)....................................................................17
16. WIRING DIAGRAM ...................................................................18

Hakko Electronics 937 Specifications

General

Brand	Hakko Electronics
Model	937
Category	Soldering Gun
Language	English

Summary

Packing List

Warnings and Cautions

Part Names

Setting Up & Operating the HAKKO 937

Iron holder Setup

Detailed steps for preparing the iron holder with cleaning sponges and water before use.

Connections

Instructions for connecting the soldering iron cord assembly and power cord to the station.

Set the Temperature

Procedure for changing the soldering iron's temperature using the control card and buttons.

Parameters

Temperature Display Mode

How to select the temperature display unit between Centigrade (°C) and Fahrenheit (°F).

Heater-Error Temperature Tolerance

Setting the tolerance value for detecting heater errors to ensure accurate temperature control.

Room Temperature Compensation Value

Calibrating the tip temperature using the room temperature compensation value in test mode.

Calibration of Iron Temperature

Calibration with a Tip Thermometer

Method for calibrating the iron temperature using a dedicated tip thermometer.

Calibration with a Room Thermometer (Test Mode)

Procedure for calibrating using the room temperature compensation value.

Calibration Chart

Tip Care and Use

Tip Temperature Management

Guidance on using appropriate soldering temperatures to protect the tip and work.

Tip Cleaning

Instructions on how to clean the soldering tip regularly to maintain performance.

Maintenance

Inspect and Clean the Tip

Steps to inspect and clean the soldering tip for routine maintenance.

Tip Styles

Error Messages

System Error

Indicates a problem with the system's memory or stored programming.

Sensor Error

Signifies a potential failure in the sensor or its associated circuit.

Heater Error

Occurs when the tip temperature drops below the heater-error tolerance setting.

Troubleshooting Guide

Unit Does Not Operate

Troubleshooting steps for when the unit fails to power on or function.

Tip Does Not Heat Up

Diagnosing issues when the tip is not heating, including sensor or heater errors.

Tip Heats Up Intermittently

Resolving issues with inconsistent tip heating, checking cords and calibration.

Solder Will Not Wet the Tip

Addressing problems where solder does not adhere properly to the tip.

Tip Temperature Too Low

Solutions for low tip temperature, including oxidation and calibration checks.

Frequent Heater Errors

Troubleshooting frequent heater errors by checking tip size or tolerance settings.

Checking for Breakage of Heating Element and Cord Assembly

Broken Heating Element

Procedures for disassembling and checking the heating element for breakage or damage.

Broken Soldering Iron Cord

Methods for testing the soldering iron cord for continuity and potential breakage.

Replacing the Fuse

Instructions on how to safely replace a blown fuse using genuine HAKKO parts.

Parts List (Station)

Station Parts

List of part numbers and names for the HAKKO 937 station components.

Iron Holder Parts

List of part numbers and names for the HAKKO soldering iron holder.

Parts List (Iron)

900S Iron Parts

List of part numbers and names specific to the 900S soldering iron.

907, 908 Iron Parts

List of part numbers and names for the 907 and 908 soldering irons.

Wiring Diagram