1 Troubleshooting
Service manual
4
EBLQ+EDLQ011~W1 + EBLQ+EDLQ011~0W1
+ EK(2)CB EKMB9W1
Daikin Altherma – Monobloc
ESIE18-04 – 2019.02
Checking procedures .................................................. 58
Repair procedures ...................................................... 60
Inverter PCB ..............................................................................
Double fan outdoor unit – single phase ...................... 61
Double fan outdoor unit – three phase........................ 62
LAN adapter PCB ......................................................................
Checking procedures .................................................. 66
Repair procedures ...................................................... 66
Main PCB ..................................................................................
Double fan outdoor unit – single phase ...................... 67
Double fan outdoor unit – three phase........................ 71
Outdoor unit fan motor ..............................................................
Checking procedures .................................................. 73
Repair procedures ...................................................... 75
Plate work..................................................................................
To open the outdoor unit............................................. 77
To open the switch box cover of the outdoor unit ....... 77
To open the control box .............................................. 77
To open the option box ............................................... 77
To remove the hydrobox ............................................. 77
To install the hydrobox................................................ 78
Reactor ......................................................................................
Checking procedures .................................................. 78
Repair procedures ...................................................... 79
Refrigerant pressure sensor ......................................................
Checking procedures .................................................. 79
Repair procedures ...................................................... 80
Solenoid valve ...........................................................................
Checking procedures .................................................. 81
Repair procedures ...................................................... 81
Thermistors ...............................................................................
Refrigerant thermistors ............................................... 82
Water thermistors........................................................ 84
User interface ............................................................................
Checking procedures .................................................. 87
Repair procedures ...................................................... 87
Water flow sensor......................................................................
Checking procedures .................................................. 87
Repair procedures ...................................................... 88
Water pump ...............................................................................
Checking procedures .................................................. 89
Repair procedures ...................................................... 90
Power supply .............................................................................
Checking procedures .................................................. 91
Repair procedures ...................................................... 92
Refrigerant circuit ......................................................................
Checking procedures .................................................. 92
Repair procedures ...................................................... 93
Water circuit ..............................................................................
Checking procedures .................................................. 95
Repair procedures ...................................................... 96
Manuafacturer components.......................................................
Checking procedures .................................................. 98
Repair procedures ...................................................... 98
External factors .........................................................................
Checking procedures .................................................. 98
To clean the outdoor unit heat exchanger.................................
To clean the water filter .............................................................
Detailed information setting mode............................................. 100
Detailed information setting mode: Outdoor unit......... 100
Detailed information setting mode: Remote controller 100
Wiring diagram .......................................................................... 101
Wiring diagram: Single phase ..................................... 101
Wiring diagram: Three phase...................................... 112
Piping diagram: Outdoor unit...................................................... 123
Component overview.................................................................. 124
Component overview: Single phase ............................124
Component overview: Three phase .............................126
Field information report .............................................................. 128
Service tools ............................................................................... 131
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
.
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
"3.3 Water circuit" on page 95
Possible cause:
Water pressure is too low.
5
"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
.
Possible cause:
Faulty or dirty water filter.
Содержание Altherma EBLQ011CAV3
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