Name: Manual for FW12
Brand: FanWorld
Availability: InStock

Troubleshooting and error codes

Problem	Possible Causes	Solution
The unit does not turn on when pressing the ON/OFF button	The unit has a 3-minute protection function to prevent overloads. The unit cannot be reset for three minutes after being turned off.	Wait three minutes after resetting the unit.
The unit switches from COOL/HEAT mode to FAN mode	The unit may change its settings to prevent frost formation. When the temperature rises, the unit will start operating again in the previously selected mode.	The unit may change its settings to prevent frost formation. When the temperature rises, the unit will start operating again in the previously selected mode.
The indoor unit emits white vapor	The set temperature has been reached, so the unit turns off the compressor. The unit will continue to operate as the temperature fluctuates.	The set temperature has been reached, so the unit turns off the compressor. The unit will continue to operate as the temperature fluctuates.
Both indoor and outdoor units emit vapor	In humid regions, a large temperature difference between room air and air conditioning.	In humid regions, a large temperature difference between room air and air conditioning.
The indoor unit makes noise	There may be a gust of air when the vane resets its position.	There may be a gust of air when the vane resets its position.
Both indoor and outdoor units make noise	Slight whistling during operation: This is normal and is caused by the refrigerant gas flowing through the indoor and outdoor units.	Slight whistling during operation: This is normal and is caused by the refrigerant gas flowing through the indoor and outdoor units.
The outdoor unit emits noise	The unit will emit different sounds depending on its current operating mode.	The unit will emit different sounds depending on its current operating mode.
Dust comes out of the indoor or outdoor unit	The unit may accumulate dust during prolonged periods of inactivity, which will be expelled when the unit is turned on.	The unit may accumulate dust during prolonged periods of inactivity, which will be expelled when the unit is turned on.
The unit emits a bad odor.	The unit can absorb odors from the environment (such as furniture, food, cigarettes, etc.) which will be emitted during operation.	The unit can absorb odors from the environment (such as furniture, food, cigarettes, etc.) which will be emitted during operation.
The outdoor unit fan does not work	During operation, the fan speed is controlled to optimize product performance.	During operation, the fan speed is controlled to optimize product performance.
Operation is erratic and unpredictable, or the unit does not respond	Interference from cell phone towers and remote amplifiers may cause the unit to malfunction.	Interference from cell phone towers and remote amplifiers may cause the unit to malfunction.
Poor Refrigeration Performance	The temperature setting may be higher than the ambient room temperature.	Lower the temperature setting.
Poor Refrigeration Performance	The heat exchanger of the indoor or outdoor unit is dirty.	Clean the affected heat exchanger.
Poor Refrigeration Performance	The air filter is dirty.	Remove and clean the filter according to the instructions.
Poor Refrigeration Performance	The air inlet or outlet of any unit is blocked.	Turn off the unit, remove the obstruction, and turn it back on.
Poor Refrigeration Performance	Doors and windows are open.	Ensure that all doors and windows are closed while the unit is operating.
Poor Refrigeration Performance	Sunlight causes excessive heat.	Close windows and curtains during periods of intense heat or bright sunlight.
Poor Refrigeration Performance	Too many heat sources in the room (people, computers, electronic appliances, etc.).	Reduce the number of heat sources.
Poor Refrigeration Performance	Low refrigerant due to leaks or prolonged use.	Check for leaks, seal if necessary, and charge refrigerant.
Poor Refrigeration Performance	The SILENCE function is activated (optional function).	The SILENCE function can reduce product performance by reducing the operating frequency. Deactivate the SILENCE function.
The unit does not work	Power failure.	Wait for power to be restored.
The unit does not work	Power is off.	Turn on the power.
The unit does not work	The fuse is blown.	Replace the fuse.
The unit does not work	Remote control batteries are depleted.	Replace batteries.
The unit does not work	The unit's 3-minute protection has been activated.	Wait three minutes after resetting the unit.
The unit does not work	The timer is activated.	Turn off the timer.
The unit starts and stops frequently	Too much or too little refrigerant in the system.	Check for leaks and recharge the system with refrigerant.
The unit starts and stops frequently	Incompressible gas or moisture in the system.	Evacuate and recharge the system with refrigerant.
The unit starts and stops frequently	The compressor is broken.	Replace the compressor.
The unit starts and stops frequently	Voltage is too high or too low.	Install a voltage regulator.
Poor heating performance	Outdoor temperature is extremely low.	Use an auxiliary heating device.
Poor heating performance	Cold air entering through doors and windows.	Ensure all doors and windows are closed during operation.
Poor heating performance	Low refrigerant due to leaks or prolonged use.	Check for leaks, seal if necessary, and charge refrigerant.
Indicator lights blink	Error code appears and starts with the letters as shown below on the indoor unit display: E(x), P(x), F(x) EH(xx), EL(xx), EC(xx) PH(xx), PL(xx), PC(xx)	The unit may stop operating or continue to operate safely. If indicator lights continue to blink or error codes appear, wait about 10 minutes. The problem may resolve automatically. If not, unplug the unit and then plug it back in. Turn on the unit. If the problem persists, disconnect the power and contact the nearest customer service center.

Manual for FW12

Warranty Information

Troubleshooting and error codes