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www.element14.com
www.farnell.com
www.newark.com
www.cpc.co.uk

TM

TM

Page <8>

V1.0

23/08/18

Important Notice : 

This data sheet and its contents (the “Information”) belong to the members of the Premier Farnell group of companies (the “Group”) or are licensed to it. No licence is granted 

for the use of it other than for information purposes in connection with the products to which it relates. No licence of any intellectual property rights is granted. The Information is subject to change 

without notice and replaces all data sheets previously supplied. The Information supplied is believed to be accurate but the Group assumes no responsibility for its accuracy or completeness, any 

error in or omission from it or for any use made of it. Users of this data sheet should check for themselves the Information and the suitability of the products for their purpose and not make any  

assumptions based on information included or omitted. Liability for loss or damage resulting from any reliance on the Information or use of it (including liability resulting from negligence or where the 

Group was aware of the possibility of such loss or damage arising) is excluded. This will not operate to limit or restrict the Group’s liability for death or personal injury resulting from its negligence. 

Tenma is the registered trademark of the Group. © Premier Farnell Limited 2016.

 When “S - E” displays, accompanied with alarming of every 5 seconds (when opening fault alarming function). Maybe sensor 

or relevant parts of circuit damages, check and replace sensor.

No any display on the screen, check power cord and re-connect.
Soldering tip is over - temperature or low - temperature, damaged or calibrated, please refer to “temperature calibration” or 

replace the tip.
If there are illegible symbols, restart the machine.
When failure happens on the machine, repaired by only specified maintenance person or highly qualified technical personnel.

12. Soldering Tip Care and Use
a. Tip Temperature

High soldering temperatures can degrade the tip
Use the lowest possible soldering temperature. The excellent thermal recovery characteristics ensure efficient and effective 

soldering even at low temperatures
When not in use, do not leave the soldering iron on at a high temperature as the tip’s solder plating will get covered by oxide, 

reduction it’s heat conductivity

b. Cleaning

Clean the tip regularly with a cleaning sponge, as oxides and carbides from the solder and flux can form impurities on the tip.  

These impurities can result in defective joints or reduce the tip’s heat conductivity
When using the soldering iron continuously, be sure to loosen the tip and remove all oxides at least once a week. This helps 

prevent seizure and reduction of the tip temperature
After use, wipe the tip clean and coat with fresh solder.  This helps prevent tip oxidation.

13. Changing the Soldering Tip

a. Always turn the power OFF when removing or inserting a soldering tip
b. Let the tip to cool down to room temperature before holding it with heat resistant pads 
c. Loosen  nut (1 in diagram 7) 
d. Pull out the shaft of the soldering iron (2 in diagram 7)
e. Remove the old soldering tip and replace with new one (3 in diagram 7)
f. Reverse the process to secure the soldering tip
g.  Preferred Soldering Tips : 21-10140, 21-10142, 21-10144, 21-10146, 21-10148, 21-10150, 21-10152, 21-10154, 21-10156, 

21-10158

Summary of Contents for AT-90DH-EU

Page 1: ...www element14 com www farnell com www newark com www cpc co uk TM TM Page 1 V1 0 23 08 18 ESD Safe Soldering Station AT 90DH EU AT 90DH UK User Manual ...

Page 2: ... power cord For changing the soldering tip ensure that the power supply is turned off and allow sufficient time for the tip to cool down The soldering tip should be cleaned by wiping it on the cleaning sponge provided This will help get rid of the burnt solder or fluxes that cause oxidation on the soldering tip Not cleaning the tip might lead to improper soldering Specifications Input Voltage 220V...

Page 3: ... switch of service temperature Auto sleep and password locking Separate design between soldering iron and heating core thus saving on use cost Handy handgrip and comfort to use Fault display warning function Product photos 1 Soldering iron 2 Iron stand 3 Key 1 4 Key 2 5 LCD display 6 Key 3 7 Key 8 Key 9 Power switch 10 Air socket LCD display 1 SET Set Temperature 2 REAL Real Temperature 3 CAL Cali...

Page 4: ...pply then into a properly grounded outlet 2 Power on Connecting the socket on the back panel to the plug and make the power switch on LED displays the set temperature Set appearing Three seconds later Real can be viewed and LED displays the real temperature Meanwhile temperature Unit C or F appear at the upper right corner Default temperature unit is C picture one and picture two 3 Shortcut temper...

Page 5: ...ture 9 the calibration number is 0 C Under the programmable mode press or picture 5 you can adjust the calibrated temperature the range of calibration 50 C 50 C 58 F 122 F When the real temperature is lower than the display temperature enter minus temperature difference value When the real temperature is higher than the display temperature enter the positive temperature difference value e g real t...

Page 6: ...nto sleeping setting mode picture 13 sleeping mode is off Under sleeping setting mode press or picture 5 input sleeping time minute then press 2 to save picture 14 sleeping time is 10 minutes If the sleeping mode is on and there is no welding work or any operation in set time the device will be in sleeping Mode2 no sleeping and work in 200 C If temperature is below 200 C sleeping function won t be...

Page 7: ...ng input new password 0 and password is clear after restarting the machine Note When forget password press REST refer to part 10 of exploded view to clear password or unlock the password in specified customer centre 9 Fahrenheit and Celsius display Fahrenheit and Celsius can be switched When power off press 2 to start the device then finish switching 10 Key pressing sound and fault alarming functi...

Page 8: ...k power cord and re connect Soldering tip is over temperature or low temperature damaged or calibrated please refer to temperature calibration or replace the tip If there are illegible symbols restart the machine When failure happens on the machine repaired by only specified maintenance person or highly qualified technical personnel 12 Soldering Tip Care and Use a Tip Temperature High soldering te...

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