Daikin Europe NV
45
8
MALFUNCTIONS
8.1
Show last malfunction
Use the key to switch the unit off, and press the
button.
The red malfunction LED is lit continuously, and the latest fault code is shown flashing on the temperature display.
If the unit has never detected a locking malfunction, no code will be displayed.
The last locking malfunction can be deleted by briefly pressing the
button while pressing the button.
8.2
Malfunction codes
If the malfunction LED is flashing, the boiler controller detects a fault. A malfunction code will be shown on the temperature display.
When the malfunction is rectified, the boiler controller can be restarted by pressing the reset button.
The following faults can be distinguished:
Temperature display
Description
Possible cause/solution
•
Unit is off.
10, 11, 12, 13, 14
Sensor fault S1
•
Air in the installation. Purge the air from the boiler and CH installation.
•
Check the connection of the ntc on the hot water tube.
•
Check wiring for break.
•
Replace S1.
20, 21, 22, 23, 24
Sensor fault S2
•
Check wiring for break.
•
Replace S2.
0
Sensor fault after self-check
•
Replace S1 and/or S2.
1
Temperature too high
•
Air in installation. Purge the air from the boiler and CH installation.
•
Pump is not running. Reset or replace the pump, see par. 8.2.10
2
Switch S1 and S2
•
Check cable harness.
•
Replace S1 or S2.
4
No flame signal
•
Main gas valve not opened.
•
Gas supply pressure too low, or disappears.
•
Condense output blocked.
•
Check ignition unit and ignition cable.
•
No or incorrect ignition distance, check this using the checking mold.
•
Gas block or ignition unit is not receiving electrical current.
•
Check earthing.
5
Poor flame signal
•
Condense output blocked.
•
Gas supply pressure too low, or disappears.
•
Check ignition unit and ignition cable.
•
Check setting of gas block.
•
Check earthing.
•
Check air supply and gas output for possible recirculation of flue gases.
6
Flame detection error
•
Replace ignition cable + spark plug.
•
Replace ignition unit.
•
Replace boiler controller.
8
Fan rpm is not correct
•
Fan is coming up against cover insulation.
•
Wiring between fan and cover.
•
Check wiring or plug for lack of wire contact, measure 25-27V dc.
•
Check and/or replace fan.
•
Replace boiler controller.
27
Short circuit outdoor sensor
•
Check the wiring of the outdoor sensor.
•
Replace outdoor sensor.
Boiler controller is not suitable for this application.
Replace boiler controller for the appropriate version.
29, 30
Gas valve controller fault
•
Replace boiler controller.
Only replace faulty parts with the original Daikin parts.
Failing to fit or incorrectly fitting the sensors S1 and/or S2 may lead to serious damage.
Summary of Contents for EKOMBG22ABV1
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