Ec" Hydro-Box: Domestic Hot Water Tank Temperature Too High (> 89°C) - Daikin ESIE13-02 Service Manual

ESIE13-02
"EC" Hydro-box: Domestic Hot Water Tank Temperature too High (> 89°C)
3.6
EC
Remote controller
display
Method of The malfunction is detected by domestic hot water tank thermistor (R5T).
malfunction
detection
Malfunction The error is generated in case the domestic hot water temperature rise above 89°C.
decision conditions
Supposed causes


Troubleshooting
[1]:
Malfunction of the domestic hot water tank thermistor [R5T]
Incorrect parameters on the solar pump station
Check N . 04
Thermistor resistance check
Is it Normal?
Yes
Solar panels are connected
to the tank via EKSOLHWAV1
Yes
Maximum tank temperature set point via
the solar pump station thermistor is correct?
[1]
Yes
Replace the hydro-box PCB (A1P)
Confirm the maximum allowed tank temperature via solar panels in the installation manual of
EKSOLHWAV1.
No Replace the thermistor
No Replace the applicable relay
Adapt the maximum tank set point
No
via the solar pump station to the correct value [1]
101
Error Codes: Hydro-box
Part 4 – Troubleshooting
4
3
4 4
5