Service Manual

ERROR CODES & PROBLEM SOLVING
PAGE 43
ENGLISH
Error Codes & Problem Solving
Table of Contents
44 ..................................................................................................................... yalpsiD roodnI noitpircseD dna sedoC rorrE
44 ......................................
................................................................................................................................... yalpsiD tinU roodnI
54 .................................................
.................................................................................... noitcnuflaM rotoM naF CA roodnI
54 ...................................................................................
...................................................................................... yalpsiD tinU roodnI
E14 ............................................................................................................................................................................ 54
64 ..........................................................................................
................................................... tluaF rotoM naF CD roodtuO
Outdoor Unit Display 64 ...................
..................................................................................................................................................
LED1 Flashes 9 Times .............................................................................................................................................. 64
IPM Protection ................................................................................................................................................................ 47
Outdoor Unit Display 74 .............................................
........................................................................................................................
LED1 Flashes 2 Times .............................................................................................................................................. 74
74 ...........................................................................
........................................................... rosserpmoC eht fo tnerruc-revO
Outdoor Unit Display 74 .......
..............................................................................................................................................................
LED1 Flashes 3 or 24 or 25 Times ........................................................................................................................... 74
The Communication Fault Between IPM and Outdoor PCB 84 .....................................
...........................................................
Outdoor Unit Display 84 .....................................
................................................................................................................................
LED1 Flash 4 Times .................................................................................................................................................. 84
Power Supply
High or Low
94 ...................................................................................................................................
Outdoor Unit Display 94 .....................................................................................................................................................................
LED1 Flashes 6 Times .............................................................................................................................................. 94
05 ..........................
.................................................................................... erutarepmeT egrahcsiD rof noitcetorP taehrevO
Outdoor Unit Display 05 ....................................................................
.................................................................................................
LED1 Flashes 8 Times .............................................................................................................................................. 0
5
Communication Fault Between Indoor and Outdoor Units 05 ................................................................................................
0
5 ......................................................................................................................................................................... yalpsiD tinU roodnI
E7 .............................................................................................................................................................................. 05
Outdoor Unit Display 05 ...
..................................................................................................................................................................
LED1 Flashes 15 Times ............................................................................................................................................ 05
15 .................................
....................................................................................................... noitceteD msinorhcnyS fo ssoL
Outdoor Unit Display 15 .................................................................
....................................................................................................
LED1 Flashes 18 or 19 Times .................................................................................................................................. 15
15 ...............................................................................................
........
....................... edoM gnitaeH ni daolrevO tinU roodnI
Outdoor Unit Display 15 .............................
........................................................................................................................................
LED1 Flashes 18 or 19 Times .................................................................................................................................. 15
Checking System Components 25 ..........................................................
..............................................................................
Checking Outdoor Unit Components 25 ...................
............................................................................................................
Checking the Outdoor Unit Sensors ............................................................................................................................... 25 ..............
Checking the Reversing Valve Coil 25 ........................................................................
........................................................................
Checking the DC Fan Motor
25 .........................
.....................................................................................................
...........................
Checking the EEV Stepper Motor 25 ......................................................................
............................................................................
Checking the PFC Reactor 25 .....................
........................................................................................................................................
Checking the
Compressor Windings 35 .............................................................
................................................................................
Checking Indoor Unit Components 35 .................
..................................................................................................................
Checking the Indoor Unit Sensors 35 ...................................................................................
.....................
.........................................
Checking the Up/Down Stepper Motor 35 ...................................
.....................................................................................................
Checking the Left Stepper Motor 35 .................................................................................................
.................................................
Checking the Indoor DC
Fan Motor
45 ............................................................................................................................................
of