Daikin ESIE13-02 Service Manual page 98

Error Codes: Hydro-box
1
Troubleshooting
3
4
5
Part 4 – Troubleshooting
Check the installation
conditions
Open shut-OFF valves No
Yes
Hydro-box pump runs
No
[1]
Yes
Water pressure is sufficient No
[3]
Yes
Water circuit is sufficiently
No
airpurged / Airpurge valve is open
Yes
Is the water filter clogged / dirty Yes
No
External static pressure is in range
No
of the hydro-box pump range
[4]
Yes
Domestic hot water
No
tank is installed
Yes
Correct operation of
No
the 3-way valve
Yes
Tank type is
No
EKSWWU/EKHWSU
Yes
2-way valve on the flow
No
inlet operates correctly
Yes
B
Open the shut-OFF valve
Make sure that the
pump signal is displayed A
on the interface [2]
Charge additional water to the system
Purge the water circuit
Open the airpurge valve
Clean the water filter
Correct water circuit
B
3-way valve is correct
connected
No
B
Change the 2-way valve
98
ESIE13-02
Check the 3-way valve position
Yes
Replace in case required
Connect the wires correctly according
the installation manual