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PORTABLE AIR CONDITIONER (LOCAL)
SERVICE MANUAL
Read the instructions carefully before operating the appliance or carrying out maintenance work.
Observe all the safety instructions; failure to observe the instructions may lead to accidents and/or
damage. Store these instructions in a safe place for future reference.
V 03/17
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Summary of Contents for Technibel Softy Softy Plus
- Page 1 PORTABLE AIR CONDITIONER (LOCAL) SERVICE MANUAL Read the instructions carefully before operating the appliance or carrying out maintenance work. Observe all the safety instructions; failure to observe the instructions may lead to accidents and/or damage. Store these instructions in a safe place for future reference. V 03/17...
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Page 2: Malfunction Diagnosis
1.Malfunction diagnosis 1-1 Items to be checked at first 1.Input voltage must be in the range of of rating voltage if work voltage of air conditioner is outside of this range air conditioner will possibly not run normally. ( Enough power supply capacity must be provided 2.Make sure the good connection between power supply plug and power supply, otherwise air conditioner will not run normally. - Page 3 1-2 Guide to malfunction diagnosis 1-2-1 No power supply (completely no work)-preliminary diagnosis 1.Items to be checked 1 Whether input voltage is right or not 2 Whether the connection of AC power supply is right or not 3 Whether the output voltage of manostat 7805(IC1) isr ighto rn ot 2.Flow chart of malfunction diagnosis...
- Page 4 1-2-2 Indoor fan motor does not run 1.Items to be checked 1 Whetherindo orfan motoris connected withcon nector a rightway 2 Whether the input voltage of AC power is right or not 3 Whether the operation capacitor of indoor fan motor Is connected with connector CN10 CN11 in a rightwayor not...
- Page 5 1-2-3 Remote control can not be used 1.Flow chart of malfunction diagnosis Take out batteries and five seconds later install again Check subject to instruction section of "no Whether LED display module lights on or not power supply diagnosis. While press "ON/OFF" on remote controller Normal whether is music heard or not Whether battery voltage is less than 2.5 V or not (remote controller )
- Page 6 1-3 PCB check 1-3-1 points for attention while replace parts 1.Make sure that human body is grounded as a safety way or not before execute reparation and parts replacement due to human body carrying electrostatic, especially before contact some micro-computer or integrated circuit, confirm to discharge electrostatic completely (make sure whether wear an effective grounding ring in the wrist or not) 2.While execute a live reparation of parts on work bench, make sure that a insulating cushion must be provided and no metallurgic fragments on cushion.
- Page 7 1-3-3 Detailed process Malfunction Reason Check point Voltage exceeding Disconnection power supply and Damage or not Fan motor short check fuse on PCB Check voltage 1.Whether is there normal AC voltage on XB or not? Rectification circuit mistake Drop-down transformer does not Connect with power supply work 2.The DC voltage on IC5...
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Page 8: 一、 Error Code Display
一、 Error code display When Air conditioner has problem, the display will show different error code related to different problems. Reason Display Solution “E1” abnormal(broken See the detail solution circuit or short circuit) “E3” abnormal(broken See the detail solution circuit or short circuit) abnormal(broken No error code No error report, stay the... - Page 9 1111220000000211112032000045 ～ ～ ～ ～ ～ ～ Some models have no content inside dashed frame. ...
- Page 10 www.technibel.com...
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