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• Damage through improper use or installation. Problem check. Before calling a service technician to assist with a problem please check: • The main distribution board. See if a circuit breaker has tripped or a fuse has blown. • The wall socket. • Have the filters been cleaned? • Is the chimney blocked? Remember that you may be charged for a service call even during the warranty period if the fault is due to or caused by any of the above. Service. • If you have followed the instructions and still