50 PB
INSTALLATION
Indoor Unit - Troubleshooting
CAUTION
When drain water overflows from the indoor unit, stop operation and contact your service provider. When you smell or see
white smoke coming out of the unit, turn OFF the main power supply and contact your service provider.
1. If issues still Exists
If the issues still exists even after checking the following, contact your dealer and inform them of the following items.
(1) Unit Model Name
(2) Description of issue
2. No Operation
Check whether the SET TEMP is set at the correct temperature.
3. Not Cooling or Heating Properly
• Check for obstruction of air flow of outdoor or indoor units.
• Check if there are too many heating sources in the room.
• Check if the air filter is clogged with dust.
• Check if the doors or windows are open.
• Check if the temperature condition is within the operation range.
4. Examples of Abnormal/Normal Operation
Odor from Indoor Unit-
If filter goes unchanged for too long, or regular service of Evaporator coil lapse, unpleasant odors can occur. Please
change your filter on a regular basis depending on your application. For coil service please contact your service provider. It
is also highly recommended that your home or business has proper ventilation.
Unusual sounds-
It’s common to hear the fan come on as well as some refrigerant or heater noise in regular operation. However, metal to
metal, grinding or popping sounds are not. Please contact your service provide if any of the latter are heard.
Steam from outdoor unit-
This is a natural occurrence in the mode of defrost. Steam can be seen in certain outdoor conditions.
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