Massey Ferguson 10.X.16 – Air Conditioning Panel Module (AIRCON): Air Conditioning Panel Module Internal Issue With Temperature Dial

The climate control system has detected an internal electrical or mechanical fault with the temperature adjustment dial (potentiometer), such as an open circuit, a short circuit, or an erratic resistance reading that prevents the system from determining the requested cab temperature.

• 7724S
• 5712SL
• 7722
• 7722S
• 5713SL
• 7720S
• 7716
• 7718
• T4
• 7715
• 5710SL
• 7726
• 7726S
• 5711SL
• 7718S
• 7719
• 7714
• 7716S
• 7720
• Tier 4 (2015-2021)
• 7715S
• 7724
• 4707
• 4708
• 4709
• 4710
• 5608
• 5609
• 5610
• 5611
• 5612
• 5613
• 7614
• 7615
• 7616
• 7618
• 7619
• 7620
• 7622
• 7624
• 7626

1. 1

   Inspect the temperature dial on the AC control panel for physical damage, sticking, or excessive play.

2. 2

   Turn the temperature dial fully from cold to hot several times to clean minor oxidation off the internal potentiometer contacts.

3. 3

   Remove the cab console trim to access the back of the AC panel and inspect the wiring harness and connectors (e.g., yellow and blue connectors) for loose pins, corrosion, or damage.

4. 4

   Check the resistance sweep of the temperature dial potentiometer using a multimeter to identify dead spots.

1. 1

   Power Down

   Turn off the tractor ignition and disconnect the negative battery cable to prevent electrical shorts.

2. 2

   Access the Panel

   Carefully pry off or unscrew the cab console trim/bezel surrounding the Air Conditioning control panel.

3. 3

   Disconnect

   Unplug the electrical harness connectors from the rear of the AC control panel module.

4. 4

   Remove Module

   Unscrew the mounting fasteners and remove the AC control panel module from the console.

5. 5

   Component Replacement

   Option A (Component Level): If you have electronics repair experience and the potentiometer is available separately, desolder the faulty temperature dial potentiometer from the internal circuit board and solder in the replacement. Option B (Module Level): If the board is sealed or the potentiometer cannot be sourced, replace the entire Air Conditioning Control Panel Module.

6. 6

   Reinstall

   Fit the new or repaired AC panel into the console and secure it with its fasteners.

7. 7

   Reconnect

   Plug the electrical connectors back into the module.

8. 8

   Reassemble

   Snap or screw the console trim/bezel back into place.

9. 9

   Test

   Reconnect the battery, start the tractor, and verify that the temperature dial adjusts the climate control properly without triggering the 10.00.16 fault code.