Solution for WHW-200L-160CH-B All-in-One Testing System door malfunction

Latest updated: Jun 26, 2024

Fault phenomenon:

The device display shows an exclamation mark accompanied by an alarm sound, indicating a door malfunction. 


Troubleshooting steps:


1. Check the Fault Code: Look for the code 4000-0000-0000, which signifies a door issue.

2. Inspect the Sensor: Start by examining the sensor for any faults.


3. Locate the Sensor: Find the white sensor at the lower left corner of the door.

 

4. Test the Sensor: Press the sensor and observe the display to see if the fault is resolved.


5. Adjust if Necessary: If the alarm stops temporarily but reoccurs after closing the door, it may be due to poor sensor contact. Manually adjust the contact patch position to ensure good contact with the sensor.


6. Confirm Contact: Ensure the sensor is in good contact with the contact patch to clear the fault.

 

Adjusting the contact piece:

To resolve sensor contact issues, adjust the contact piece position inward for a better connection.


Common fault codes and solutions:

4000-0000-0000: Door switch problem, possibly due to a damaged door sensor.

0800-0000-0000: AC contactor failure.

0A00-0000-0000: AC contactor failure.

0200-0010-0000: Network cable not connected.

4800-0000-0000: Door switch problem or contactor failure.


Note: Always ensure the device is powered off before performing any checks or adjustments to avoid accidents.

Refer to the common fault codes and their solutions for quick diagnostics. If the issue persists after following these steps, contact professional support or the manufacturer for further assistance.


· Battery Exhibitions

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