Haier H2SM-21HX03 User Manual - Page 27

A Cautions In the event of a malfunction (burning small, etc.), immediately stop operation, disconnect the power supply plug, and consult sales shop. The following is not a machine trouble. Before requesting service, perform the following checks: r CONDITION CAUSES OR CHECK POINTS The system does not start re-operation immediately. O This is for protection of the system. After a stop, the system does not start operation for approx, 3min. Smells are generated. O This is because the system circulates smell from the interior air such as the smell of cigarettes, cosmetics, the walls or furniture. Occurring of noise O When cooling is started or heating is stopped, a swishing or a gurgling noise may be heard. This noise is generated while the refrigerant is flowing in the air conditioner. O When starting or stopping operation, a cracking noise may be heard. This noise is generated by temperature changes. O A whooshing noise is may be heard during operation of the system. This noise is generated when the refrigerant changes direction. • Air does not flow. (Indoor Unit) • Air flow speed can not be changed. Air does not flow. (Outdoor Unit) Cooling/heating is not sufficient. O During the dry mode operation, air may not flow out, to prevent excessive cooling. O During the heating operation, air does not flow out until the air is heated enough to prevent cold air flow. During the thawing in heating, air may not flow. O During the dry mode operation and heating mode operation, Air may not flow out. O The cooling / heating function may not work effectively when the air filters are clogged with dust and dirt. O Make sure the room temperature has not yet reached the designated level. O Make sure the air flow speed is not set at "LO". O Make sure the inlet or outlet of the outdoor unit is not blocked. O When the room temperature has not reached the required level because of a low ambient temperature, add other heating facilities. The indicator on the remote controller is dim. The indicator dims when sending signals. Indication does not appear on the remote controller. Misting (Indoor Unit) Steaming (Outdoor Uint) O Make sure if the dry batteries have enough charge. Replace the worn dry batteries with a new pair. Use R-03 dry batteries. O Make sure the dry batteries are set in the right directions. O It is caused by chilled air in cooling operation. O It is caused by defrosting of outdoor unit in heating operation. 25