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Z Grills – ER1 Temp Sensor Error

Z Grills Errors Overview

The Z Grills controller has 4 errors that can be displayed:

ER1 – What it means

ER1 occurs if the signal from the grill temperature sensor fails.

This can occur for a number of reasons:

  1. Sensor wiring connection on back of controller is loose
  2. Sensor cable is damaged
  3. Sensor plug is loose (7002B, 700E & 700E-XL models)
  4. Grill temperature sensor is faulty
Z Grills temperature sensor
Z Grills temperature sensor inside the grill

Always open the grill lid before completing any troubleshooting of an ER1

Check cable plug

Use a screwdriver to gently lift the cable out from between the hopper and grill and check to ensure the plug is tight (only on 7002B, 700E and 700E-XL models).

Test if ER1 has been fixed

  1. Plug the grill back into power supply
  2. Turn the grill power switch on. If there is still an issue ER1 will be displayed on the display.
  3. If ER1 is still displayed continue onto the next step.

Check wiring connection

Check the temperature sensor probe connection into the controller:

  1. Unplug the grill from power
  2. Remove the two screws that secure the controller in place
  3. Gently pull out the controller enough to locate the two thin white wires into the small green or blue terminal block.
  4. Check to ensure they are both tightly in place (gently tug on them)

Test if ER1 has been fixed

  1. Plug the grill back into power supply
  2. Turn the grill power switch on. If there is still an issue ER1 will be displayed on the display.

Replacing the temperature sensor

If the above investigations do not solve the ER1 problem, contact the Z Grills customer service team for a replacement Grill Temperature Sensor Probe. Make sure you get the correct one for the grill model. The 450A has a shorter sensor probe than the 700 series grill models and no plug in the middle of the cable.

Remove the two screws at the base of the temperature sensor and pull the cable through. For cables with a plug in the middle (7002B, 700E & 700E-XL), undo the plug and then plug in the new cable.

If the problem persists it may be an issue with the other section of the cable that is connected to the controller, so replace that too, by reviewing the process in the video below.

For 450A models that don’t have a plug in the middle of the cable, the wires must be removed from the controller. Review the video below to get full access to the controller and wires.

Updated on October 4, 2020

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