Discussion:
Limp mode

Hyster (f108) with error code -90
  • Posted 4 Jun 2021 01:30
  • Modified 4 Jun 2021 03:22 by poster
  • By luke_m
  • joined 2 Feb'13 - 97 messages
  • Bedfordshire, United Kingdom
Luke
Showing items 1 - 1 of 1 results.
Status Code
-90
Description
Traction motor temperature too high.
Cause Of Status Indication
This Status Code will be indicated when
the voltage at terminal PA3 of the
hydraulic pump control card is at zero
volts.
Memory Recall
No
Circuit
Traction and
Hydraulic Pump
Indication of Fault
Status Code is indicated as a flashing number on the
instrument panel display. The lift truck speed will be
reduced when either the hydraulic pump motor or the
traction motor are too hot.
Possible Cause
Traction motor is too hot. Temperature sensor has
closed to battery negative..
Permit traction motor to cool.
Other causes.
PA 3 has a short-circuit to battery negative.
There is a short-circuit in the sensor wires.
There is a short-circuit or other malfunction in the
sensor.
PA3
ORN/PNK
A2
A1
ARMATURE
TEMPERATURE SWITCH
TRACTION MOTOR
PA5 PA4
NEGATIVE
GRN/PPL
BLK BLK
DK BLU/PNK
Status Code
-91
Description
Hydraulic pump motor temperature is too high.
Cause Of Status Indicatio
  • Posted 20 Aug 2021 00:56
  • By Fishmech
  • joined 12 Jul'17 - 370 messages
  • Virginia, United States
The hard to do we do right away. The impossible just takes a little longer.

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