Carrier 38GJ Series Owner Manual And Install Manual

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Carrier 38GJ Series Owner Manual And Install Manual Manual pdf 32 page image

12.2 Problem HandlingThe conditions listed below are not classified as errors.Conditions CausesWhen restarting the unit soon afterit is stoppedThe overload protection switch of the unit delaysthe startup for three minutesThe unit doesnot run As soon as power supply is on The unit will stand by for approximate oneminuteThe unit blowsout mistWhen the cooling operationstarts The high humidity indoor air is cooled quicklyThe unit “clatters” as soon as itstarts runningIt is the sound generated during theinitialization of the electronic expansionvalveThe unit “swishes” during thecooling operationIt is the sound when the refrigerant gas runsinside the unitThe unit “swishes” when it isstarted or stoppedIt is the sound when the refrigerant gas stopsrunningThe unit “swishes” when it is onand after the runningIt is the sound when the draining system isoperatingThe unitgenerates noiseThe unit “squeaks” when it is inand after the runningIt is the sound of friction generated by theskin plate which swells due to thetemperature changeThe unit blowsout dustWhen the unit restarts after it isnot used for a long time The dust inside the unit is blown outThe unit emitsodors When the unit is running The odors absorbed by the unit are blown out12.3 Error DescriptionIf an error occurs when the unit is running, the error code will display.Check the following table fordetails about the error.Main control display for outdoor unitDefinition of errors Yellow LED Red LED Green LEDIndoorunit codeTestingboard codeThe compressor starts up Flash 1 timeIPM current protection Flash 3 times H5 H5IPM temperature protection Flash 5 times P8 P8PFC current protection Flash 7 times HCPFC temperature protection Flash 8 times P8 P8Low voltage protection Flash 9 times PL PLHigh voltage protection Flash 10 times PH PHLow pressure protection Flash 11 times E3High pressure protection Flash 12 times E8High pressure switch protection Flash 13 times E1Capacitor charging error Flash 14 times PUAC current protection Flash 15 times E5 E527