Hyster E60Z:
Codes 53 & 54

The start of the problem is when we steam cleaned unit & ran it shortly after.
After blowing out & letting dry for 7 days this is what happens.
With key off, truck will cycle dash as if key is on with in 5-10 seconds of plugging batt in. Then codes come up & unit will not operate. If key is cycled 3-4 times truck will sometimes run. If u unplug battery, & plug batt back in & turn key on before it automatically starts up with in 5-10 seconds, truck will always run & operate normally with out coding. If u then turn key off unit will power up dash with in 5-10 seconds & you are back to codes 53 & 54.
We thought it was the master Vehicle controller. Sent it out to Uniparts & they said it tested good. I have checked & blown out ever thing including dash. No water made its way to drive & pump controllers. Is this a drive controller Canbus issue?
  • Posted 22 Feb 2012 03:09
  • Discussion started by Horse
  • Wisconsin, United States
Showing items 1 - 3 of 3 results.
Put in new sup. mod & unit works fine.
  • Posted 24 Feb 2012 00:01
  • Reply by Horse
  • Wisconsin, United States
Its a Danahar ac controller. I just installed the Master v controller & it still does the same.
I pulled the suppression module & I can smell a burnt smell. Just got off phone w uniparts & ordered a used 1 for $30. This makes sense to me y it fires up. Any thoughts would be appreciated.
  • Posted 22 Feb 2012 09:07
  • Reply by Horse
  • Wisconsin, United States
Jeff Bykowski
serial number? type of controller?
I have seen water in plug to GE sepex controller do this.
  • Posted 22 Feb 2012 08:40
  • Reply by edward_t
  • South Carolina, United States
"it's not rocket surgery"

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