New Holland T8010 Manual page 1366

Power Seat System Symptom Chart
NOTE: The batteries must be fully charged and all connections clean and tight. Use a multimeter (DVOM) for these
tests. For battery testing and service, see the battery section in the service manual.
IMPORTANT: DO NOT use a self-powered test light for any of these tests. Use of a self-powered test light can
cause damage to components in this system.
WARNING: Before performing any of the electrical tests, be sure all operating controls are in neutral or
!
park lock position. This will eliminate accidental movement of the machine or start-up of power driven
equipment.
Symptom
Height adjustment not
operating
Seat heater not functioning
Operator presence not
indicated
Section 55 - Electrical System - Chapter 1
Possible Cause
Height adjustment switch
Power and ground supply
Seat air pump compressor
Air system leaking
Heater switch
Operator presence switch
Instrument cluster
55-1-185
Reference/Test
B - Height Adjustment Circuit
Test
A - Seat System Power and
Ground Supply Test
B - Height Adjustment Circuit
Test
Check air lines for leakage
D - Heater Switch and Relay
Power and Ground Supply Test
C - Operator Presence
Switches Circuit Test
C - Operator Presence
Switches Circuit Test