Daikin MicroTech III DPS - Troubleshooting: Power Resistor Check; CHECK 3 - Power Resistor Test

Daikin MicroTech III DPS

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www.DaikinApplied.com 75 OM 1263 • MICROTECH UNIT CONTROLLER

CHECK 3 – Power Resistor Check

Table of Contents

Default Chapter2
- Table of Contents2
Introduction4
- Adjusting PI Control Parameters4
  - Additional Instructions and Information4
Introduction5
- Getting Started5
- IFB Board6
Using the Keypad/Display7
- Passwords8
- Navigation Mode9
- Edit Mode9
- Service Timers9
Keypad/Display Menu Structure10
Quick Menu17
View/Set Menu18
- Unit Status Settings18
- Temperature Menu20
- Flow Status Menu20
- RF/EF Control Menu20
- SAF Spd Control Menu20
- Time/Date Menu21
Commission Unit22
- Unit Setup22
- Timer Settings Menu22
- SAF Set-Up22
- RF/EF Set-Up23
- Inverter Compressor Set-Up24
- Outdoor Air Fan Set-Up26
- Expansion Valve Set-Up27
- Defrost Set-Up29
Alarm Menus30
- Alarm/Event Configuration Menu30
  - Alarm Delays Menu30
Manual Control Menu31
- Manual Control31
Service Menus32
- Save/Restore Menu32
- Operating Hours32
- Active Alarms Menu33
- Alarm Log Menu33
- Alarm Configuration Menu33
- Analog Input Status Menu33
- Universal I/O Status Menu34
- Digital Input Status Menu34
- Digital Output Status Menu34
- Modbus Status Menu35
- Sensor Offsets Menu35
Fi36
- Unit Configuration Setup36
- Unit Configuration Setup Menu36
Trending38
- Trending Menus38
  - Default38
Alarms39
- About this Unit39
- Alarm Clearing40
  - Problems40
Compressor Protection44
Operator's Guide47
- Determining Unit State47
- Inverter Compressor Cooling State Descriptions51
- Normal Cooling55
- OAT Lockout58
- Heat Pump Control59
- Supplemental Heating/Compressor Heating Transitions59
  - Compressor Heating Operation State Machine60
  - Heat Pump Units Only60
Heat Pump61
- Heating off61
  - Initialization61
- Normal Heat Pump Control65
- Defrost Control67
Troubleshooting69
- Inverter Board Fault Codes69
- ERROR CODE: E5 - Inverter Compressor Motor Lock76
- ERROR CODE: E7 - Malfunction of Outdoor Unit Fan Motor78
- ERROR CODE: H7 - Abnormal Outdoor Fan Motor Signal80
- ERROR CODE: L1 - Defective Inverter PC Board81
- Fin Temperature Rise83
  - Thermistor Resistance/Temperature Characteristics85
- Inverter Compressor86
- ERROR CODE: L8 - Momentary Overcurrent of88
- Inverter Compressor88
- ERROR CODE: L9 - Inverter Compressor Starting Failure90
- ERROR CODE: P1 - Inverter Over-Ripple Protection92
- Fin Temperature Rise Sensor94
  - Thermistor Resistance/Temperature Characteristics96
- ERROR CODE: PJ - Faulty Field Setting after Replacing Main PC Board or Faulty Combination of PC Board97
- ERROR CODE: U2 - Power Supply Insufficient or98
- Instantaneous Failure98
- Www .Daikinapplied .Com99
Appendix - General100
- Supply Fan Failure Codes100
Appendix - Sample Wiring Diagrams: Rebel 3-15 Tons105
Appendix - Sample Wiring Diagrams: Rebel 16-28 Tons109

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