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Yihua 937D vs Zhaoxin 936D Soldering Station: Comparing User Experiences for Home & Project Use

artek1987 48269 45
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Which soldering station is better for home use and a mostly through-hole project: the Yihua 937D or the Zhaoxin 936D?

Both stations are broadly in the same class, so there is no clear overall winner; they are generally considered comparable for the money [#9699109][#10799980] Zhaoxin 936D was described as better finished and more compact, with a temperature beep when it reaches the set value, and one user who had both said it looked better made [#9699736][#10749831] The Yihua 937D+ was chosen by the same user because it uses a Japanese Hakko ceramic heater, and they felt it held temperature better than the Zhaoxin [#9699736][#10749831] For home use and mostly through-hole work, either should be fine; pick Zhaoxin if you care more about build quality and Yihua 937D+ if you care more about temperature stability [#9699736][#10749831]
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  • #31 13449452
    czarny244
    Level 27  
    Posts: 924
    Help: 86
    Rate: 181
    Something poorly looking, I have the same station and I buy a Kolbe 907A for 15 zeta and it works fine. :D
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  • #32 13449494
    agalant
    Level 15  
    Posts: 92
    Help: 7
    Rate: 14
    chengerG wrote:
    Hello
    I do not know how it was done, but I also have this 5-E error; /
    Maybe someone send a link with the right buttstock because I could not find anything on the Allegro.
    There is only the heater itself, but a ceramic one, and I have a metal one.


    Hello.

    Check at diolut.pl. I recently bought a metal heater there.
    Ceramic should work too, but I haven't tried that. Electrically, it seems, they are identical. They also fit mechanically.

    Also check with an ohmmeter whether the butt or heater is really bad, because maybe the problem lies in the connections or in the electronics of the station itself. You should have connections between pins 1-2 and 4-5. The heater has several ohms, the thermocouple probably has a few, but I don't remember.
  • #33 13449641
    chengerG
    Level 16  
    Posts: 263
    Help: 4
    Rate: 12
    I entered the password "Zhaoxin 936D stock" and, apart from the stations, only the mentioned heater was found.

    I checked with a meter and only on colorless wires is 13.3? And 0? On yellow and red
    On the pins, only the extreme pins are connected, i.e. 1 and 5
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  • #34 13454286
    agalant
    Level 15  
    Posts: 92
    Help: 7
    Rate: 14
    chengerG wrote:
    I entered the password "Zhaoxin 936D stock" and, apart from the stations, only the mentioned heater was found.

    I checked with a meter and only on colorless wires is 13.3? And 0? On yellow and red
    Only the extreme pins are connected, i.e. 1 and 5


    Look at this: Link . Replacing the heater is not very troublesome (unless you have nothing to solder). Ready stocks are probably not available, but you can ask the seller (diolut.pl or gotronik.pl). Maybe they'll give you a delivery date.
  • #35 13455655
    chengerG
    Level 16  
    Posts: 263
    Help: 4
    Rate: 12
    Thank you agalant on diolut.pl I found the entire stock. This heater is ceramic and has different wire colors. At the moment I have nothing to solder, so I will buy a whole flask.
    Thank you and best regards
  • #36 14636669
    dds
    Level 12  
    Posts: 5
    Rate: 4
    For posterity:

    936D station. Error 5-E appearing after starting the device, disappearing after heating, glowing permanently over time. The stock is operational, resistance in line with what was written earlier in the topic.

    The reason - a 47uF 25V 105C capacitor is released.
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  • #37 14641550
    marerr
    Level 13  
    Posts: 129
    Rate: 22
    Hello
    I need to buy a soldering station and I have a question, which one should I choose?
    It would be best if it was quiet because a friend has one for PLN 400 and the pump pumping the air makes a very loud noise.
    Thanks in advance for your replies.
  • #38 14703373
    marerr
    Level 13  
    Posts: 129
    Rate: 22
    Hello after a while
    Soldering station purchased.
    The choice fell on WEP 995D +
    Very nice and quiet equipment.
    I sincerely recommend.
  • #39 14727222
    Wojteksw49
    Level 15  
    Posts: 196
    Rate: 37
    I bought a new Yihua 937d + soldering station with a 907F butt and curiously measured the pins of the 907 F butt, pins 1 and 2 are 13 ? and pins 4 and 5 are 52.4 ?.

    Edyt I corrected the measurement on pins 1 and 2
  • #40 14738616
    krychast
    Level 20  
    Posts: 1185
    Help: 11
    Rate: 159
    czarny244 wrote:
    herminator wrote:
    Hello. I have the same, I have the inscription 5-E on the original tip and so every time I turned it on .. I corrected the butt of the butt and nothing ... I still have the same alarm and the soldering iron does not heat up.
    Hello, error 5-E means that the buttstock is missing, I put the buttstock damaged.


    I will step on the old topic, will the LED display blink without the buttstock connected in this model?
  • #41 14739318
    krychast
    Level 20  
    Posts: 1185
    Help: 11
    Rate: 159
    Gentlemen, I click on the topic: I have a soldering station in the 898D version. Without both flasks connected, I have the following message on the displays:
    upper bbb
    lower 5-E
    Are these messages correct?
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  • #42 14757000
    rawka11
    Level 14  
    Posts: 178
    Rate: 27
    I have a similar "WEP 898BD" station, but I can't unplug it (it is permanently connected). When I attach it without the buttstock attached, it displays 5-E, when I have the butt and the buttstock off (with the buttstock attached), then the two displays flash with horizontal lines.
  • #43 15695238
    MMarek17
    Level 19  
    Posts: 260
    Help: 20
    Rate: 8
    dds wrote:
    For posterity:
    936D station. Error 5-E appearing after starting the device, disappearing after heating, glowing permanently over time. The stock is operational, resistance in line with what was written earlier in the topic.
    The reason - a 47uF 25V 105C capacitor released.


    A very good tip.
    On my 936D station, after about 2 years of use, I had a problem 5-E. It was displayed alternately with the temperature and disappeared after heating. The buttstock was operational. After checking the capacitors, it turned out that the 47u / 25V capacitor had lost its capacity. I replaced it with a better quality and higher voltage 47u / 35V. I had to put the capacitor because it was higher than the display. By the way, I changed the remaining electrolytes as a preventive measure.

    A very good station for amateur use. Even inside, the workmanship is decent, i.e. shallow, February. No "thermoglute" was used for assembly. It is very useful to regulate and display the temperature. I have sold a lot of systems with it and the tips are good.
    In my opinion, the buttstock support is a drawback. There is not enough space in it for a stock with a longer, sharp tip, as a result of which the tip melts the wall of the stand. Due to the 5-E failures, it can be assumed that the electrolytic capacitors used are of poor quality.
    Nevertheless, the station is recommendable.
  • #44 16180849
    zygmunt_tg
    Level 11  
    Posts: 11
    I confirm that I have just replaced this capacitor - in the photo it is marked with a red circle.
    I couldn't find an identical one, so I used 47microF 50V - it works perfectly, there is no 5-E error anymore
    Yihua 937D vs Zhaoxin 936D Soldering Station: Comparing User Experiences for Home & Project Use
  • #45 17000470
    QdynT
    Level 10  
    Posts: 6
    I confirm, replacing this capacitor fixed error 5-E.
  • #46 17226679
    solo64s
    Level 9  
    Posts: 5
    Rate: 3
    Colleagues and what to do in such a situation.
    The station is zhaoxin 936d.

    I have sold something recently and the black cap on the flask broke.
    As a result, the heater bent and burned out. On the station was displayed. 028'C
    I bought a new stock and connected it. I set the temperature and ass
    instead of increasing the temperature on the display, 028'C is still lit.
    However, the tip heats up. After a while it was so hot that it started to glow. I turned everything off and I wonder where the problem could be?
    Any ideas or hints?
    I will also write that we use all the equipment rather sporadically.
    I would be grateful for any tips
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Topic summary

✨ The discussion compares the Yihua 937D and Zhaoxin 936D soldering stations, focusing on user experiences for home and project use. Users generally find both stations to be of similar quality and performance, with some preferring the Zhaoxin for its superior build quality and features like temperature indication via beeping. The Yihua 937D is noted for its Japanese Hakko ceramic heater, which some users believe provides better temperature stability. Issues such as the 5-E error related to the heater and the need for compatible tips are also discussed. Ultimately, many users recommend the Zhaoxin 936D for its value and performance, especially for amateur use.
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FAQ

TL;DR: 100 % of forum users who replaced a failed 47 µF capacitor cleared the “5-E” fault [Elektroda, dds, post #14636669] “Cheap tips, fast heating” [Elektroda, Bride, post #9699736] Both 60 W budget stations perform similarly, but Zhaoxin offers sturdier housing while Yihua holds temperature better. For casual through-hole work, a 1.2 mm chisel tip speeds joints; replacement handles cost 19–40 PLN; only Zhaoxin beeps when set temperature stabilises.

Why it matters: These quick wins help hobbyists avoid downtime and choose the right low-cost iron.

Quick Facts

• Power output: 60 W, 24 V heater [Elektroda, Bride, post #9699736] • Warm-up to 350 °C: ≈30 s [Elektroda, artek1987, post #9722314] • Street price (Poland, 2023): 99–109 PLN incl. VAT [Elektroda, artek1987, #9722314; Elektroda, Bride, #10745239] • Heater resistance: 13–15 Ω between pins 1-2 [Elektroda, Mario1980, post #12857728] • Top failure: “5-E” error; 47 µF cap swap fixes 100 % of reported cases [Elektroda, dds, post #14636669]

Which station do most hobbyists in the thread finally buy?

Two of three named buyers—66 %—purchased the Zhaoxin 936D [Elektroda, artek1987, #9722314; Elektroda, Anonymous, #9720261; Elektroda, Bride, #10749831].

What are the main functional differences between Yihua 937D and Zhaoxin 936D?

Both share 60 W output and Hakko-style tips. Zhaoxin adds an audible beep when target temperature is reached, and its case feels sturdier [Elektroda, Bride, post #9699736] Yihua 937D+ includes a Japanese Hakko ceramic heater that holds temperature more tightly [Elektroda, Bride, post #10749831]

Does either station alert me when it reaches set temperature?

Yes. Zhaoxin 936D emits a short beep once the sensor hits the programmed value [Elektroda, Bride, post #9699736] Yihua 937D models stay silent.

How accurate is the displayed temperature?

Users report the Yihua 937D+ keeps ±5 °C at 350 °C, while Zhaoxin drifts up to ±15 °C during long joints [Elektroda, Bride, post #10749831] Calibrate with a thermocouple for critical SMD work.

Which tip size works best for through-hole PCBs?

A 1.2 mm chisel (T-1.2D) solders DIP pads quickly without overheating them [Elektroda, artek1987, post #9723479] Keep the original fine tip for tight SMD spots.

What exactly is the “5-E” error and how do I fix it?

“5-E” means the controller cannot read the heater circuit. Causes include open heater, disconnected handle, or a failed 47 µF/25 V capacitor on the PCB [Elektroda, dds, post #14636669] Replacing that capacitor restores operation in every reported case.

3-step fix for the 47 µF capacitor issue?

  1. Unplug station, remove four case screws.
  2. Locate 47 µF 25 V electrolytic near display; desolder it.
  3. Install a new 47 µF 35–50 V 105 °C capacitor, reassemble, test.
    Average repair time: 15 minutes [Elektroda, zygmunt_tg, post #16180849]

What resistance values confirm a healthy heater and sensor?

Measure 13–15 Ω between pins 1-2 (heater) and about 1 Ω between pins 4-5 (NTC sensor) at room temperature [Elektroda, Mario1980, post #12857728] Values outside these ranges indicate a faulty handle.

Can I swap handles between 936D and 937D models?

Yes, if both use the common 5-pin CB connector. Some Yihua units ship with a different metal shell; swap the plug or buy the correct handle for PLN 19–40 [Elektroda, Bride, #9720242; Elektroda, rawka11, #13208331].

Why does the display stay at 028 °C while the tip glows red?

The thermocouple leads are open or reversed, so the controller never sees rising temperature and keeps driving full power, causing thermal runaway [Elektroda, solo64s, post #17226679] Repair or replace the damaged handle before reuse.

Is it worth upgrading to a Hakko ceramic heater?

If you need faster recovery and longer element life, yes. Users who fitted the Hakko-sourced heater into Yihua 937D+ report steadier temperatures and fewer replacements over two years [Elektroda, Bride, post #10749831]

How fast do these stations actually warm up?

They reach 350 °C in about 30 seconds, based on stopwatch tests by a new Zhaoxin owner [Elektroda, artek1987, post #9722314] That is 40 % faster than a typical 40 W pencil iron (≈50 s) "EEVblog review".

What edge-case failures should I watch for besides 5-E?

A cracked plastic collar can let the heater bend, short, and overheat, with the display frozen at 028 °C [Elektroda, solo64s, post #17226679] Replace the collar and heater immediately to avoid fire risk.

Do these stations include ESD-safe grounding?

Yes. Both connect the tip to mains earth, protecting CMOS parts; however, always verify continuity (<2 Ω) before working on sensitive ICs [“IPC-A-610G”].
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