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fault code F5
hi guys im having a bit of trouble with a doosan b1.5t5. when i looked at the machine at first there was no code or information on the display after checking a few items i found the main controller had [url removed] replaced the unit now i have steering and hydraulics but no drive. when you select drive the line contactor closes and the display shows that the machine is getting a fwd/rev signal but it just cuts out opens the line contactor and fault code F5 shows.
if there is anyone who can give me some information re this problem or even better a service manual would be a great help.
my mail is in my profile thanks guys
  • Posted 17 Apr 2012 06:31 AM
Total replies: 22. Showing items 1 - 20 of 22 results.
12
Replies
Hello John,
I have 9 of these machines and they can be very troublesome to diagnose. I dont have my manual with me now, but can send you the Daewoo manual in PDF form during the week. The faults usually are the Logic itself, or the main drive amps. One thing that ruins the power amp and logic is the batteries go too low in voltage. Factory spec is 45 volts! i raised the cut out to [url removed] high as it goes. Since Daewoo does not have the lift cut out when the battery is low, the drivers tend to keep going even when the alarm goes [url removed] the battery down and raising the amps. Also, none of my trucks had fans, causing more failures. It's not uncommon to blow the logic and a power amp. from a low or shorted battery. also, the steer pot must be centered or the truck will send too much current to the inside drive motor on tight turns. You need the flashware to adjust this!
To diagnose a bad power amp, swap the left and right with each other and see if F6 appears.
I'll re-check my codes on Monday. If you would like the service manual, i can email it to you.
  • Posted 22 Apr 2012 09:49 AM
I have a problem with a Daewoo forklift BR15s appears the fault code F5, when you turn the machine enters and leaves the contactor which activates the hydraulic system and power steering only works, not forward or back.

Saludos

hectorvargasm@msn.com
  • Posted 23 May 2012 11:34 AM
Hi Guys,
I have a similar problem on B-15-T (2001 dc modle) which shows a flashing F-5 after switch on. Line contactor drops out etc. So far I have swapped LHS & RHS motor cables (at the contactor), the transistor packs and the current sensors (all side to side) but no joy so far. I think it may be a logic but would like to prove it.

Just wondered if anyone can shed any light on this or does anyone have a manaul?
  • Posted 11 Aug 2012 06:39 AM
  • 7777
  • New York, United States
Maybe someone can also shed a light on this B15T-5, H4-00213, 2000 model. No lift, no drive.
I get a code: A, w/ an alarm. The manual states the pre charge capicitors are less than 70% of battery voltage. This is because the line contactor is not closing and draining the capaitors in attemp to energize the drive motors. Fuses are good, did not open the line contactor to look yet.
Does anyone have any ideas before I open the truck?

thanks for the assistance. JCFORKLIFT@gmail.COM
  • Posted 9 Mar 2013 08:48 PM
  • kevin_t
  • Pennsylvania, United States
7777.......

Check your line contactor for welded tips: Manual states.....

In case of alarm follow this procedure:
1. Verify the correctness of wiring from pump
motor and relative inverter;
2. Replace cable connecting the output CN4 of the
logic with the corresponding inverter;
3. Replace the inverter connected to CN4 output
of the logic;
4. Verify if main breaker has stuck closed
terminals: in such a case replace it;
5. Replace the cable connecting the output CN1 of
the logic to the right drive motor inverter: a
defective cable could give a wrong measure for
capacitors voltage;
6. Replace the right drive inverter;
7. Replace logic.
  • Posted 10 Mar 2013 12:30 AM
  • • Modified 10 Mar 2013 12:30 AM by poster
  • 7777
  • New York, United States
Thank you Kevin,
when the manual asks for logic replacement, what exactly is that refering to?

thanks for the assistance. JCFORKLIFT@gmail.COM
  • Posted 10 Mar 2013 12:41 AM
  • kevin_t
  • Pennsylvania, United States
more than likely is a logic card or something along those lines,dont work on alot of Daewoos or AC trucks but is what im thinking it has to be a card of some sort.....
  • Posted 10 Mar 2013 12:43 AM
  • 7777
  • New York, United States
OK thank you Kevin

thanks for the assistance. JCFORKLIFT@gmail.COM
  • Posted 10 Mar 2013 12:48 AM
Hi Ray tech is it possible for you to send me the manual I'm having trouble with a few errors, Many Thanks

google, richards forklift services and contact me on my web page many thanks
  • Posted 11 Apr 2013 04:06 PM
  • • Modified 27 Apr 2013 04:45 PM by poster
Yes i can send the [url removed] need email please...
  • Posted 27 Apr 2013 02:15 PM
Hi ray tech problems with alarm errors.
this site won't let me give you my email address so that you could help me please use the contact on my web page many thanks
google, richards forklift services and contact me on my web page many thanks
www. [url removed]
  • Posted 27 Apr 2013 03:51 PM
  • • Modified 27 Apr 2013 04:49 PM by poster
Dear Ray Tech Good day, I have a BT15T2 and the display show fault F5. Coul you send me information about that and if you have any information about setup I thank.
  • Posted 16 Jul 2013 06:14 AM
Yes just post your [url removed] the "@"
  • Posted 30 Aug 2013 12:46 PM
Raytech,

does your manual cover The Daewoo B18T-2? I have the F5 code as well. But, all the manuals I have found are for A/C drive lifts. The one I have is D/C. if its does could you email it to me at [url removed](at)[url removed]
  • Posted 18 Mar 2014 03:56 AM
these is my e-mail adrees [email address removed] could you send me pdf manuals of this equipment.

thnks
  • Posted 20 Mar 2014 04:56 AM
ok my adrees is compas(at)[url removed]
  • Posted 21 Mar 2014 11:41 PM
Hi
I have the error F5 on B15T-5. Could you send me the service manual please?

crash2804@ya.ru
  • Posted 15 Jul 2014 05:25 PM
  • Paul123
  • New South Wales, Australia
Hi there I have the same issue would you be able to send the manual it would be greatly appreciated :)
My email is fkngr8 [url removed] thanks
  • Posted 1 Oct 2014 06:52 PM
  • • Modified 1 Oct 2014 06:54 PM by poster
Did you get the copy ok?
  • Posted 6 Oct 2014 10:45 AM
  • kevin_t
  • Pennsylvania, United States
[url removed] I be able to get a copy of this?[url removed] email is in my [url removed] in advance...
  • Posted 6 Oct 2014 12:04 PM
Total replies: 22. Showing items 1 - 20 of 22 results.
12

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