Daikin EHYHBH05AAV3, Service Manual

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ESIE13-02A
3 Table of Contents
3
4
5
1
3 Outdoor Unit
3.1 Nominal Capacity and Nominal Input........................................................... 46
3.2 Technical Specifications .............................................................................. 47
Part 3
Commissioning
Part 4
Troubleshooting
1 Troubleshooting
1.1 General Troubleshooting Flowchart ............................................................. 54
1.2 Overview of General Problems .................................................................... 55
1.3 Fault-diagnosis by Remote Controller.......................................................... 75
1.4 Fault-diagnosis Manual Reset in the Memory.............................................. 76
1.5 Troubleshooting by LED on the Hydro-box PCB ......................................... 79
1.6 Overview of Error Codes.............................................................................. 80
1.7 Overview of the Outdoor Safety Devices ..................................................... 83
1.8 Overview of the Hydro-box Safety Devices ................................................. 84
2 Error Codes: Gas Condensing Boiler
2.1 General Guidelines ...................................................................................... 85
2.2 Solving Problems Based on Symptoms....................................................... 86
2.3 Solving Problems Based on Error Codes .................................................... 87
2.4 Symptoms .................................................................................................... 89
3 Error Codes: Hydro-box
3.1
“A1”
Malfunctioning Hydro-box PCB ............................................................. 94
3.2 “
89
” Water Heat Exchanger Frozen ............................................................. 95
3.3
“CJ, C4, 81, 80, HC, H1”
Thermistor or Related Abnormality (Hydro-box) .......... 96
3.4
“7H”
Hydro-box: Flow Error........................................................................... 97
3.5
“C0”
Hydro-box: Flow Sensor Failure ........................................................... 100
3.6
“EC”
Hydro-box: Domestic Hot Water Tank Temperature too High (> 89°C) 101
3.7 Warning
“AH”
Tank Disinfection Function Not Completed Correctly ............ 102