New Holland 4131 – EHR: Rear Remote No.3 Switched To Failsafe

The Electro-Hydraulic Remote (EHR) control module has detected an anomaly with the third rear remote control valve and placed it into a failsafe or 'safe mode' to prevent system damage. This disables the specified valve and can sometimes render all remote valves inoperable, often described as having no command to switch to neutral when power is applied. The condition is typically caused by electrical issues such as low voltage, a faulty position transducer, a malfunctioning output stage, or mechanical issues like a stuck valve spool.

• T6010
• T6020
• T6030
• T6040
• T6050
• T6060
• T6070
• T6080
• T6090
• T6.120
• T6.140
• T6.150
• T6.155
• T6.160
• T6.165
• T6.175
• T7.170
• T7.185
• T7.200
• T7.210
• T7.220
• T7.235
• T7.250
• T7.260
• T7.270
• T9.390
• T9.450
• T9.505
• T9.560
• T9.615
• T9.670
• TM
• MXM

1. 1

   Restart the tractor to see if the fault is intermittent and clears upon reboot

2. 2

   Check for other active fault codes that might indicate a broader control module, wiring harness, or power supply issue

3. 3

   Inspect hydraulic fluid level and condition, as contaminated or low fluid can cause erratic behavior

4. 4

   Carefully examine the wiring harness and connectors leading to the No. 3 remote valve assembly for damage, corrosion, or loose connections

5. 5

   Verify the remote lever is not being manually operated or physically stuck during startup

6. 6

   Inspect the valve block for any signs of hydraulic leaks indicating failed seals

7. 7

   Review fault code data in the diagnostic menu to check the number of occurrences and logged hours

1. 1

   Address electrical issues

   Test the wiring harness for continuity and proper voltage to ensure the valve receives correct startup signals. Check the control lever potentiometer for faults.

2. 2

   Inspect valve internals

   If electrical faults are ruled out, disassemble the valve stack to inspect for a sticking spool or failed internal O-ring seals. Replace internal components as needed.

3. 3

   Calibrate the EHR valve

   After any repair or replacement, perform a valve calibration using the tractor's onboard diagnostic menu (often the 'H' menu) to ensure the controller recognizes the valve's position and movement range. Failure to calibrate can result in persistent fault codes.

4. 4

   Replace valve section

   If the valve body is damaged or internal components are not serviceable, replace the entire valve section for remote No. 3.