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Curtis B.
Curtis B., Technician
Category: Agriculture and Farm Equipment
Satisfied Customers: 3203
Experience:  Technican turned service manager on multiple lines of equipment and rental equipment.
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Fault code 048 on 7800 in hcu lift not workin on liner

Customer Question

Fault code 048 on 7800 in hcu lift not workin on liner
Submitted: 11 months ago.
Category: Agriculture and Farm Equipment
Expert:  Bradley Martin replied 11 months ago.

What make and model of machine is this?

Customer: replied 11 months ago.
1997 Johndeere 7800 With lift arm trouble
Fault code 048 showing
Expert:  Bradley Martin replied 11 months ago.

Ok let me see what I can find out

Expert:  Bradley Martin replied 11 months ago.

From what I can find that code means PCU supply voltage low while engine is running. Have you checked you battery and alternator?

Customer: replied 11 months ago.
I have checked battery's and alternator the fault is in the hcu not pcu
Expert:  Bradley Martin replied 11 months ago.

Ok I can not find any codes in my book for the HCU let me opt out see if some else has any info