Page 1509 - Foton Workshop Manual - Auman EST-M
P. 1509

Electrical system – electrical components                 EL - 85

              Failure phenomenon list                                                                             IN

              Use the list below to help you find the reasons of failures. The number presents the order of failure reason
              possibilities. Check each part according to this order. Replace the parts if necessary              DI


                     Failure phenomenon                 Fault cause                  Failure elimination
                                                                                                                  EG

                                                                              Check  relevant  circuit  and  electric
                                              1. The fuse is broken           equipment.  Replace  the  fuse  after   TR
                                                                              confirming they are normal

                                              2. Belt too loose               Adjust the belt tension pulley      AX
                                              3. Shortage of refrigerant      Adjust the refrigerant
                                                                                                                  FR
                                              4. Compressor failure           Check and repair the compressor

              Refrigeration system not function   5. Expansion valve failure   Replace the expansion valve
                                                                                                                  ST
                                              6. Condenser blockage           Replace the condenser

                                              7. A/C tubing blockage          Replace the tubing                  BR

                                              8.  Operation  mechanism  assembly  Check   and  repair  the   operation
                                              failure                         mechanism                           BW

                                              9.  Refrigeration  system  insufficient  Check  and  repair  the  refrigeration
                                              pressure                        system                              EL

                                              1. Compressor belt slipping or aging   Replace the belt

              Abnormal  sound  of  warm  air  and  A/C   2. Compressor component loose   Tighten the compressor component

              system
                                              3. Compressor bearing damaged   Replace the compressor bearing

                                              4. Blower failure               Check and repair the blower

                                              1. Blower damaged               Replace the fan

                                              2.  Blower  speed  adjusting  resistor
                                                                              Replace the speed adjusting resistor
                                              damaged
              No  warm  braw  or  warm  braw  not
                                              3. Warm air duct drop-off       Check and repair the warm air duct
              sufficient
                                                                              Check  and  repair  the  tubing  and  add
                                              4. Coolant shortage or blocked
                                                                              coolant

                                              5. Warm air duct blocked        Check and repair the tubing











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