Electronics box EHR

MODELS AFFECTED:
TN60A, TN70A, TN75A, TN85A, TN95A
TN60DA, TN70DA, TN75DA, TN85DA, TN95DA
TN60SA, TN70SA, TN75SA, TN85SA
TN60VA, TN70VA, TN75VA, TN95VA
TN70NA, TN75NA, TN95NA
TN75FA, TN85FA, TN95FA

To improve durability and reliability, the electronic box 47137066 for the electronic linkage control has been improved.
The seal on the circuit board of this electronics box may leak if the machine is operated at high ambient temperatures for a long time. When the sealing effect wears off, the electronic components are unprotected and can corrode.

The new electronics box 87626676 was introduced into production from the following serial numbers:

Series TNA (STD), TNDA, TNSA: HJE088803
Series TNNA, TNVA: HJB088880
TNFA series: HJU088937

The new electronics boxes have a new housing seal and a new protective coating for the circuit board.

For machines before the affected serial numbers:

If one of the electronics boxes fails, it is recommended to install the new electronics box as a spare part.
The defect of the electronics box may cause one or more of the following error code(s) to be displayed:

Error code 31: The voltage applied to the ECU is too high. The electronic linkage control (EDC) does not work.
Error code 91: The ECU is defective. The rear EDC does not work. The module is defective.