Troubleshooting
Followings are not problems
Sound of water flowing is not a problem. | During unit operation or at stop, a swishing or gurgling noise may be heard. | ||
| This noise is generated by refrigerant flowing in the system. | ||
Sound of cracking is heard. | During unit operation, a cracking noise may be heard. | ||
| This noise is generated by the casing expanding or shrinking because of | ||
| temperature changes. |
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Smell are generated. | This is because the system circulates smells from the interior air such as | ||
| the smell of cigarettes or the painting on the furniture. | ||
During operation, white fog or steam | When unit is running at places like restaurant, etc. where dense edible oil | ||
comes out from the indoor unit. | fumes always exist, this will happen. |
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In cooling operation, unit switches to | To prevent frost from accumulating on indoor heat exchanger, unit will switch | ||
blowing operation. | to blowing operation for a while then resume cooling operation. | ||
Unit will not restart after stop. | Though ON/OFF button is set to ON, the unit won't |
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| resume cooling, dry or heating operation in 3 min |
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Won't start? | after it is stopped, this is because of |
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Please wait 3 minutes | |||
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No outlet air or fan speed can't be changed | Unit will reduce fan speed repeatedly and automatically if room temp. is | ||
in dry mode. | too low in dry operation. |
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In heating operation, water or steam | This occurs when frost accumulated on the outdoor unit is removed (during | ||
are blown out of outdoor unit. | defrosting operation). |
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In heating operation, indoor fan won't stop | After unit stop, indoor fan will go on running until indoor unit cools down. | ||
even if unit is stopped. |
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Before ask for services, please first check your unit against the following.
Air conditioner won't start.
Is power supply switch turned on?
Power supply switch is not set at ON.
Is city power supply normal?
Power failure?
Is leakage current breaker activated?
This is very dangerous, please disconnect power supply immediately and contact your dealer.
Poor cooling or heating
Are operation control adjusted | Is air filter too dirty? | Are there any obstacles in inlet or |
correctly as specified? |
| outlet grill? |
Proper |
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temp |
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Are horizontal louvers at up position | Any doors or windows left open? |
(in heating mode)? |
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