Case IH 9250 - Page 36

31
Diagnostics
Error Code Problem Solution
ER23
Left Center sensor swing less
than 0.6V
Left Center sensor mechanical
range is restricted
Sensor failure
Verify sensor is not obstructed in
swing
Verify sensor can collapse fully
with header lowered
Adjust down stop to allow greater
range
See sensor test instructions
ER26
Left Center sensor expected but
not detected
Left Center sensor not properly
connected
Not enough swing during cal
Incorrect number of sensors
selected in setup
Sensor failure
Control box /wiring failure
Verify harness is connected to
left center sensor
Verify harness is connected
properly to control box harness
Verify that signal wire (Pin B
white wire of sensor cable) is
connected to PIN13 of connector
Y101 (Insight box)
Make sure sensor meets
requirements in - Advanced
Information - Basic Requirements
section of this manual
Go to >>Initial Setup>>Number
Sensors and choose the correct
number of sensors
See sensor troubleshooting
instructions
Contact Headsight
ER27
Left Center sensor detected but
not expected
Incorrect number of sensors
selected in setup
Harness wiring error
Control box /wiring failure
Go to >>Setup>>System Select
and choose the correct number
of sensors
Verify that no wires contact
PIN13 of connector Y101
Contact Headsight
ER31
Center sensor signal less than
0.3V
Center sensor temporarily
disconnected.
Wiring open
Sensor failure
Repair wiring or bad connector
Calibrate Insight Box
Calibrate Headsight Box
Calibrate Combine
Check sensor harness for
pinched/broken wiring
See sensor test instructions