Origin Of Malfunction Signal = Indoor evaporator temperature sensorĬontrol Description = If detecting that the evaporator temperature is lower than protective temp. Switch off the unit or re-energize the unit after cutting off power to eliminate this protection. In this case, all the buttons and remote control signals except ON/OFF button will be disabled and cannot be recovered automatically. All the loads (except the 4-way valve in heating mode) will be switched off. Ĭontrol Description = When outdoor unit detects the high pressure switch is cut off for 3s successively, high pressure protection will occur.
Origin Of Malfunction Signal = High pressure switch. Koppel Window Type AC Display Panelġ-Digital Displayer: in usual operation, ın fan mode, ıt indicates room temperature ın cool or dry mode, ıt indicates setting temperature ın timer operation, when pressing the timer button, it indicates timer time, if the time has not been be adjusted after 5 seconds, it indicates temprature again lf room temp sensor failure, ıt indicates temperature at 25‘c (77°f).ģ-Timer Button: if unit is running, press this button will enter switch-off mode if unit is off (in standby mode), press this button will enter switch-on mode.Ĥ-Speed Button: press this button to set air rate you want: high, med, low.ĥ-Mode Button: press this button,it advances the operation mode as follows: cool -dry-fan(heat for cooling and heating model)-autoĦ-Tempitime Button: in usual, press this button to adjust setting temperature within a range of 16‘c(61°f) to 32’s (90“f).ħ-Swing Button: pressing this button will adjust the air swinging direction or the air delivery in fixed direction.Malfunction Name = High Pressure Protection Phenomena: There is moisture at the air outlet grids.ĭiagnosis: If the air conditioner operates in high humidity for long time, moisture may be condensed at the grids and become water drops. Phenomena: There is odd smell of the delivered air.ĭiagnosis: It might be the smell of cigarette smoke or other things inside the air conditioner.ĭiagnosis: It might be caused by the cycling of the refrigerant inside the air conditioner.ĭiagnosis: It might be caused by the heat expansion of contraction of the plastic parts. When the indoor temperature and humidity drops, the frog will disappear. Phenomena: Frog is blown out during the cooling operation.ĭiagnosis: When the indoor temperature and humidity is high, such phenomena might occur. When the machine is powered for the first time. The microchip protection device for 3 minutes’ delay performs its function. Phenomena: The air conditioner cannot be started for operation after it is turned off.ĭiagnosis: Start the operation after 3 minutes. You may use the air conditioner with peace of mind. The following phenomena occurring during the operation do not mean faults of the machine. Are there any heating sources inside the room?.Is the room directly exposed to sunlight?.Is the air filter screen clean (not blocked)?.Is there a power failure or is the fuse blown?.
Voltage higher or lower than the voltage range.It sometimes stops operating to protect the appliance.Faulty compressor thermomagnetic circuit breaker.Malfunction: The appliance does not operate Koppel Air Conditioner Error Codes & Troubleshooting Koppel Window Type AC Troubleshooting EEPROM parameter error diagnosis and solution E0/F4: EEPROM parameter error diagnosis and solution E0-F4Įrror Signals On The DisplayIn case of error, the display on the indoor unit shown the following error codes Error Code: E 1ĭescription of the trouble: The fault of indoor temperature sensorĭescription of the trouble: The fault of indoor pipe temperature sensorĭescription of the trouble: Malfunction of indoor fan motor.
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