Operation Manual

Err4: Power source overheating

The power source has overheated. The cause may be one of the following:

• The power source has been used for a long time at maximum power.

• The circulation of cooling air to the power source is blocked.

• The cooling system has experienced a failure.

Remove any obstacle to air circulation, and wait until the power source fan has cooled down

the machine.

Err5 Water unit alarm

The water circulation is blocked. The cause may be one of the following:

• Congestion or disconnection in the cooling pipeline

• Insucient cooling liquid

• Excessive cooling liquid temperature

Check the circulation of the cooling liquid and the air circulation of the water unit.

Err23: Power source overvoltage warning

The power source has detected voltage spikes in the electric network. Short power spikes

can be managed. They do not lead to interruptions in welding but may decrease the welding

quality. Check the quality of the supply network.

Err61: The water unit is not found

The water unit is not connected to the equipment, or the connection has failed. Connector the

water unit.

Other error codes:

If an error code not listed above is shown, contact Kemppi service and tell them the error

code.