Yale MPB040-EN24T:
Unit will move forward & reverse; will not lift

Unit beeps once upon switching on; battery indicator lights show 4 lit LEDs - steady at first, then regular blinking. Unit will move forward and backwards, however; when UP button is pressed, unit beeps and will not raise; this repeats each time UP button is pressed. Hydraulic fluid level OK. No codes showing. Internal fuse checks OK.
  • Posted 17 Dec 2014 02:36
  • Discussion started by rudi_s
  • North Carolina, United States
Showing items 1 - 14 of 14 results.
Did you ever fix yours?
  • Posted 2 Jun 2024 22:31
  • Reply by Surinamerica
  • New York, United States
Lift it!
Rudi,

Were you able to figure out what was wrong with the pallet jack, no lift? I'm having the same problem with mine.

Thanks.
  • Posted 16 Oct 2020 13:07
  • Reply by Juan_Alba
  • California, United States
Juan A.
What you are describing is lift interrupt. The Zapi controller is seeing lower voltage than what you are seeing. Try charging the batteries.
  • Posted 20 Dec 2014 09:31
  • Reply by BREWSKI
  • Nebraska, United States
this unit should have an 'upper lift limit cut out switch", that stops lifting when it is activated and can get stuck or bent.
  • Posted 17 Dec 2014 09:59
  • Modified 17 Dec 2014 10:29 by poster
  • Reply by edward_t
  • South Carolina, United States
"it's not rocket surgery"
Have an email to post IN YOUR PROFILE........?
  • Posted 17 Dec 2014 07:11
  • Reply by kevin_t
  • Pennsylvania, United States
No LED on ZAPI controller. Check 5amp fuse on ZAPI and large fuse on front - both good.
  • Posted 17 Dec 2014 07:09
  • Reply by rudi_s
  • North Carolina, United States
Look on the zappi controller at the LED there and see if/what the blinking sequence is there....
  • Posted 17 Dec 2014 06:44
  • Reply by kevin_t
  • Pennsylvania, United States
Just switched tiller head controller with another same model Yale electric jack - same symptoms showed up. Other jack was red-tagged but with different symptoms (I think).
  • Posted 17 Dec 2014 06:39
  • Reply by rudi_s
  • North Carolina, United States
I Suspect since you can move the truck fwd and rev that you have a problem with the up down control switches or with the control card in the tiller head........
  • Posted 17 Dec 2014 06:12
  • Reply by kevin_t
  • Pennsylvania, United States
Just a single repetitive blink, about once per second, all four LEDs at once.
  • Posted 17 Dec 2014 06:07
  • Reply by rudi_s
  • North Carolina, United States
When you say blinking led on dash........how many blinks.....does it blink say two times then pause then blink two again??? This is giving you a code and we need to know how many blinks....
  • Posted 17 Dec 2014 04:54
  • Reply by kevin_t
  • Pennsylvania, United States
Model #:MPB 040 EN24T2748
SN: B827N30597F

24V

I put a voltmeter across the battery - it read 25V. Meter did not go down when moving jack nor when pressing lift button.
  • Posted 17 Dec 2014 04:47
  • Reply by rudi_s
  • North Carolina, United States
Have a full model AND serial number of the truck???
  • Posted 17 Dec 2014 04:33
  • Reply by kevin_t
  • Pennsylvania, United States
What is the battery condition...is is charged or dead? Sounds like the truck is foing in to lift cut out mode.....put a voltmeter on the battery and check the voltage when you lift or when its driven and see what it drops to....what voltage is the truck. 24 volt???
  • Posted 17 Dec 2014 04:22
  • Reply by kevin_t
  • Pennsylvania, United States

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