Samsung TDM PLUS Service Manual page 3

Contents
4-4 Hydro Unit .......................................................................................................................................................................69
4-4-1 EEPROM error ......................................................................................................................................................69
4-4-2 : Error due to abnormal data of Wired remote controller thermistor value ...........70
4-4-3 Water pump & flow switch OFF ..................................................................................................................71
4-4-4 Water pump & flow switch ON ....................................................................................................................72
4-4-5 Hydro unit temperature sensor(open/short) .......................................................................................73
4-5-6 Communication error after finishing Tracking(Hydro unit) ...........................................................74
4-5 Items to check before diagnostics .......................................................................................................................75
4-5-1 Test run mode and view mode ........................................................................................................... 75
4-5-2 Troubleshooting for outdoor unit ....................................................................................................... 76
4-6 Troubleshooting by symptoms .................................................................................................................. 78
4-6-1 Communication error after finishing tracking (E202) ................................................................... 78
4-6-2 Time out (1min.) of communication error between MAIN PBA and INV. PBA (E203) ............ 79
4-6-3 Temperature sensor error (E221, E231, E251, E320) .............................................................. 80
4-6-4 Fan error (E458, E475) ........................................................................................................................ 81
4-6-5 Compressor error (E461, E467) ....................................................................................................... 83
4-6-6 Current trip error (E462, E463) ........................................................................................................ 84
4-6-7 IPM(IGBT module) over current error (E464) ............................................................................. 85
4-6-8 DC-link voltage under/over error (E466) .................................................................................... 87
4-6-9 GAS leak error (E554) .......................................................................................................................... 88
4-6-10 The other errors ................................................................................................................................. 89
4-6-11 In case of heating at the cooling mode or cooling at the heating mode.................. 90
4-6-12 Outdoor unit is not powered on - Initial diagnosis............................................................. 92
4-6-13 Outdoor unit power supply error .............................................................................................. 93
5. PCB Diagram
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5-1 Hydro unit ........................................................................................................................................................ 94
5-2 Outdoor Unit ................................................................................................................................................... 96
6. Wiring Diagram
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6-1 Hydro unit ......................................................................................................................................................106
6-1-1 1Phase Model ......................................................................................................................................106
6-1-2 3Phase Model ......................................................................................................................................107
6-2 Outdoor Unit ..................................................................................................................................................108
7. Piping Diagram
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7-1 Piping Diagram ............................................................................................................................................111
8. Reference Sheet
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8-1 Index for Model Name...............................................................................................................................116
8-1-1 Outdoor Unit / Hydro Unit ............................................................................................................116
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106
111
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