Fault Code (4)8 indicates that the connected load is faulty. This can occur if there is a problem with the heating element or the wiring associated with the heater, causing abnormal resistance or a short circuit.
Checks to Perform
- Verify the Power Rating of All Connected Heaters
- Confirm that the power rating of all connected heaters is within the recommended specifications.
- Ensure that the total load does not exceed 3.7kW per heater output.
- Isolate the Unit from the Supply
- Disconnect the device from the power supply to ensure safety before performing any checks.
- Check the Resistance Between Heater Terminals
- If the Load is Faulty
- If the measured resistance falls outside the normal range, the connected heater may be faulty.
- Replace the affected heater before reconnecting the device to the power supply.
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Post-Check Actions
- After replacing any faulty heaters, reconnect the device to the power supply and check if the error code clears.
- If the issue persists despite replacing the heater, further inspection of the wiring or connections may be necessary.
- If required, consult technical support for further guidance or assistance.
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Preventative Recommendations
- Regularly inspect the connected heaters for any signs of wear or damage that could cause faulty connections.
- Ensure proper installation and maintenance of heaters to prevent load faults in the future.
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By following these steps, you can effectively resolve Fault Code (4)8: Load Fault and restore proper operation of the device.