00 - Abnormal Increase Outlet Water Temperature; 03 - Overheating Water Circuit (Thermostat) - Daikin altherma 3 M Service Manual

2.3.12 8H-00 – Abnormal increase outlet water temperature
2.3.13 8H-03 – Overheating water circuit (thermostat)
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
Trigger
Outlet water after backup
heater thermistor detects
a too high temperature
during space heating
without electrical heater.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Check the water circuit for an external heat source. See
4
circuit" [ 299].
Possible cause: Increased water temperature due to an external heat source.
2 Perform a check of the outlet water after backup heater thermistor. See
"3.20 Thermistors" [
Possible cause: Faulty outlet water after backup heater thermistor.
3 Perform a check of the backup heater. See
Possible cause: Faulty backup heater.
4 Perform a check of the hydro PCB. See
Possible cause: Faulty hydro PCB.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
Trigger
Unit detects activated
aquastat.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Check the set trigger temperature of the safety thermostat. See
"4.4 Manufacturer
Possible cause: Faulty trigger temperature setting of the safety thermostat.
2 Check the set water temperature. See
Effect
Unit will stop operating.
4
248].
"3.12 Hydro
Effect
Pump will stop running.
4
components" [ 307].
"3.21 User
2 Troubleshooting
|
Reset
Manual reset via user
interface.
4
"3.3 Backup heater" [ 104].
4
PCB" [ 160].
Reset
Automatic reset when the
circuit is closed.
4
interface" [ 266].
"4.3 Water
Service manual
19