Toyota 7HBW23:
Error code C28

No traction and the unit is stuck full up. When i cleaned all the electrical connections i get a very tiny movement on lift and lower but only approx 1/8", the pump kicks in but to lower it only goes down 1/8". Any suggestions on this?
  • Posted 28 Aug 2010 15:17
  • Discussion started by forkyoo
  • Alberta, Canada
Showing items 1 - 11 of 11 results.
Ran into a code E28 today on a 7 series.on/off switch tested ok,no power going to switch. I removed the rubber stop at the tiller and complete tiller assembly.I found 4 broken wires leading to the handle harness Where it passes through between the tiller and drive unit.repaired harness also found a blown 10a fuse,replaced fuse and back in service
  • Posted 12 Feb 2021 14:44
  • Reply by roc109
  • New York, United States
Make sure the limit switch is engaged.
  • Posted 13 May 2018 19:11
  • Reply by Rabbitt
  • Pennsylvania, United States
i got the same code i change the batterys and repacle the on/off switch with the key also and is still popping ? any help
  • Posted 13 May 2018 03:50
  • Reply by mano
  • Washington, United States
Hector Contreras
Possible harness issue causing this problem. Is it an older jack?
  • Posted 17 Jan 2015 11:23
  • Reply by Hero5
  • South Carolina, United States
Take care of the customer
If the forks are stuck full up, check your lower solenoid valve (it should click). Also check the connections on the lift contactor. One more thing, check the lift limit switch.
  • Posted 15 Jan 2015 00:56
  • Modified 14 Mar 2015 19:52 by poster
  • Reply by Rabbitt
  • Pennsylvania, United States
Never too old to learn
The wires in the handle shouldn't anything to do with the charging issue. If the batteries are too dead the charger will not turn on, the circuit board needs to see about 23 volts in order to turn on. I would check batteries first and if they are fine try a different charger on them. I have run into bad circuit boards in the charge, there is a relay that can be jumped out on the circuit board to see if the charger works. Hopefully this helps.
  • Posted 11 Aug 2011 12:02
  • Reply by rogeriwt
  • Massachusetts, United States
C157 & C28. Apparently if you turn the control handle all the way it will make the truck cut out. The earlier fellow had mentioned a bad spot in the wire harness and that soulds feasable. Now the truck won't take a charge---maybe there are wires grounding out on the handle housing.
Thanks Forklingabout!
  • Posted 11 Aug 2011 04:10
  • Reply by TheBirdman
  • Oklahoma, United States
What issuse you got TheBirdman?

BT / Toyota technician here, post up some truck info & fault details & ill try to help you out.
  • Posted 11 Aug 2011 03:04
  • Reply by Forkingabout
  • england, United Kingdom
Hello Frank,

Did you get yours fixed? What did you have to replace?

Thanks
Tony
  • Posted 10 Aug 2011 04:12
  • Reply by TheBirdman
  • Oklahoma, United States
the contactor k10 is stuck close thats why you got a c28 the truck did not pass a self test. check the resistance of a contactor coil also the emergency switch it is like a toggle switch i think. replace the contactor k10.

good luck
  • Posted 11 Oct 2010 01:24
  • Reply by forkliftcity
  • cebu, Philippines
don't bite the hands that feed you!
any luck on this issue am having the same issue with 3 pallets jacks, i have to idea what to check
  • Posted 6 Oct 2010 11:56
  • Reply by All Lift Tech
  • California, United States

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