Anything abnormal such as burning smell, loud noise etc. happen. Stop the unit and turn the breaker off. Never try to repair by yourself or restart the system in such cases.
Main power cord is too hot or damaged.
Error code is generated by self diagnosis.
Water leaks from indoor unit.
Any switch, breaker (safety, earth) or fuse fails to work properly.
User must carry routine checkup & cleaning to avoid unit’s poor performance.
In case of special situation, the job must be carried out by the only service person.
If the heating water contains antifreeze agent (glycole), do not drain the fluid into a sink, but collect it in a suitable container.
Do not touch the water if it contains antifreeze agent.
If the product has a leakage, do not operate the unit and contact dealer, seller or an authorized service center.