Daikin Altherma EBLQ011CA3V3 - Page 4

1 Troubleshooting
Service manual
4
EBLQ+EDLQ011~016CAV3+W1 + EBLQ+EDLQ011~016CA3V3+W1
+ EK(2)CB07CAV3 + EKMBUHCA3V3+9W1
Daikin Altherma – Monobloc
ESIE18-04 – 2019.02
2.14.1 Checking procedures .................................................. 58
2.14.2 Repair procedures ...................................................... 60
2.15 Inverter PCB .............................................................................. 61
2.15.1 Double fan outdoor unit – single phase ...................... 61
2.15.2 Double fan outdoor unit – three phase........................ 62
2.16 LAN adapter PCB ...................................................................... 66
2.16.1 Checking procedures .................................................. 66
2.16.2 Repair procedures ...................................................... 66
2.17 Main PCB .................................................................................. 66
2.17.1 Double fan outdoor unit – single phase ...................... 67
2.17.2 Double fan outdoor unit – three phase........................ 71
2.18 Outdoor unit fan motor .............................................................. 73
2.18.1 Checking procedures .................................................. 73
2.18.2 Repair procedures ...................................................... 75
2.19 Plate work.................................................................................. 77
2.19.1 To open the outdoor unit............................................. 77
2.19.2 To open the switch box cover of the outdoor unit ....... 77
2.19.3 To open the control box .............................................. 77
2.19.4 To open the option box ............................................... 77
2.19.5 To remove the hydrobox ............................................. 77
2.19.6 To install the hydrobox................................................ 78
2.20 Reactor ...................................................................................... 78
2.20.1 Checking procedures .................................................. 78
2.20.2 Repair procedures ...................................................... 79
2.21 Refrigerant pressure sensor ...................................................... 79
2.21.1 Checking procedures .................................................. 79
2.21.2 Repair procedures ...................................................... 80
2.22 Solenoid valve ........................................................................... 81
2.22.1 Checking procedures .................................................. 81
2.22.2 Repair procedures ...................................................... 81
2.23 Thermistors ............................................................................... 82
2.23.1 Refrigerant thermistors ............................................... 82
2.23.2 Water thermistors........................................................ 84
2.24 User interface ............................................................................ 87
2.24.1 Checking procedures .................................................. 87
2.24.2 Repair procedures ...................................................... 87
2.25 Water flow sensor...................................................................... 87
2.25.1 Checking procedures .................................................. 87
2.25.2 Repair procedures ...................................................... 88
2.26 Water pump ............................................................................... 89
2.26.1 Checking procedures .................................................. 89
2.26.2 Repair procedures ...................................................... 90
3 Third party components 91
3.1 Power supply............................................................................. 91
3.1.1 Checking procedures .................................................. 91
3.1.2 Repair procedures ...................................................... 92
3.2 Refrigerant circuit ...................................................................... 92
3.2.1 Checking procedures .................................................. 92
3.2.2 Repair procedures ...................................................... 93
3.3 Water circuit .............................................................................. 95
3.3.1 Checking procedures .................................................. 95
3.3.2 Repair procedures ...................................................... 96
3.4 Manuafacturer components....................................................... 98
3.4.1 Checking procedures .................................................. 98
3.4.2 Repair procedures ...................................................... 98
3.5 External factors ......................................................................... 98
3.5.1 Checking procedures .................................................. 98
4 Maintenance 99
4.1 To clean the outdoor unit heat exchanger................................. 99
4.2 To clean the water filter ............................................................. 99
5 Technical data 100
5.1 Detailed information setting mode............................................. 100
5.1.1 Detailed information setting mode: Outdoor unit......... 100
5.1.2 Detailed information setting mode: Remote controller 100
5.2 Wiring diagram .......................................................................... 101
5.2.1 Wiring diagram: Single phase ..................................... 101
5.2.2 Wiring diagram: Three phase...................................... 112
5.3 Piping diagram: Outdoor unit......................................................123
5.4 Component overview..................................................................124
5.4.1 Component overview: Single phase ............................124
5.4.2 Component overview: Three phase .............................126
5.5 Field information report ..............................................................128
5.6 Service tools............................................................................... 131
5.7 Field settings .............................................................................. 131
1 Troubleshooting
1.1 To display the help text in case of
a malfunction
If a malfunction occurs, is displayed on the home pages. You can
press to display more information about the malfunction.
1.2 To check the error history
Prerequisite: Only available if is displayed on the home pages.
1 Go to [6.3.1]: > Information > Error handling > Error history.
1.3 To check the warning history
Prerequisite: Only available if is displayed on the home pages.
1 Go to [6.3.1]: > Information > Error handling > Warning
history.
1.4 Error based troubleshooting
1.4.1 7H-01 – Abnormal flow
Trigger Effect Reset
System detects flow
abnormality during
operation.
Unit will stop
operating.
Manual reset via user
interface.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed
order.
1 Check that all stop valves of the water circuit are open. See
"3.3Water circuit"on page95.
Possible cause: Closed stop valve in the water circuit.
2 Perform a check of the air purge valves. See "3.3 Water
circuit"on page95.
Possible cause: Air in the water circuit.
3 Check the water flow. See "3.3Water circuit"on page95.
Possible cause: Water flow is too low.
4 Check the water pressure. See "3.3Water circuit"on page95.
Possible cause: Water pressure is too low.
5 Check the water volume. See "3.3Water circuit"on page95.
Possible cause: Water volume is too low.
6 Check if a by‑pass is installed in the water circuit. See
"3.3Water circuit"on page95.
Possible cause: No by‑pass installed in the water circuit.
7 Clean the water filter. See "4Maintenance"on page99.
Possible cause: Faulty or dirty water filter.