1 Troubleshooting
Service manual
18
EBLQ+EDLQ011~016CAV3+W1 + EBLQ+EDLQ011~016CA3V3+W1
+ EK(2)CB07CAV3 + EKMBUHCA3V3+9W1
Daikin Altherma – Monobloc
ESIE18-04 – 2019.02
Possible cause: Faulty reactor.
INFORMATION
If all procedures listed above have been performed and the
problem is still present, contact the helpdesk.
1.4.45 H9-00 – Outdoor air thermistor
abnormality
Trigger Effect Reset
Outdoor air thermistor
input is out of range.
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 Perform a check of the outdoor air thermistor. See
"2.23Thermistors"on page82.
Possible cause: Faulty outdoor air thermistor.
2 Perform a check of the main PCB. See "2.17 Main PCB" on
page66.
Possible cause: Faulty main PCB.
INFORMATION
If all procedures listed above have been performed and the
problem is still present, contact the helpdesk.
1.4.46 HC-00 – Lower domestic hot water tank
thermistor abnormality
Trigger Effect Reset
(Lower) domestic hot
water tank thermistor
input is out of range.
Unit will NOT stop
operating.
Automatic reset when
resistance is within
range.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed
order.
1 Perform a check of the domestic hot water tank thermistor. See
"2.23Thermistors"on page82.
Possible cause: Faulty domestic hot water tank thermistor.
2 Perform a check of the hydro PCB. See "2.14 Hydro PCB"on
page58.
Possible cause: Faulty hydro PCB.
INFORMATION
If all procedures listed above have been performed and the
problem is still present, contact the helpdesk.
1.4.47 J3-00 – Discharge pipe thermistor
dislocation abnormality
Trigger Effect Reset
Discharge pipe
thermistor input is out
of range.
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 Perform a check of the discharge pipe thermistor. See
"2.23Thermistors"on page82.
Possible cause: Faulty discharge pipe thermistor.
2 Perform a check of the main PCB. See "2.17 Main PCB" on
page66.
Possible cause: Faulty main PCB.
INFORMATION
If all procedures listed above have been performed and the
problem is still present, contact the helpdesk.
1.4.48 J6-00 – Outdoor heat exchanger
thermistor abnormality
Trigger Effect Reset
Outdoor heat
exchanger thermistor
input is out of range.
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 Perform a check of the heat exchanger thermistor. See
"2.23Thermistors"on page82.
Possible cause: Faulty heat exchanger thermistor.
2 Perform a check of the main PCB. See "2.17 Main PCB" on
page66.
Possible cause: Faulty main PCB.
INFORMATION
If all procedures listed above have been performed and the
problem is still present, contact the helpdesk.
1.4.49 JA-00 – Pressure sensor abnormality
Trigger Effect Reset
Refrigerant pressure
sensor detects a
value out of range
(>4.5MPa or <–
0.05MPa).
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 Perform a check of the refrigerant pressure sensor. See
"2.21Refrigerant pressure sensor"on page79.
Possible cause: Faulty refrigerant pressure sensor.
2 Perform a check of the main PCB. See "2.17 Main PCB" on
page66.
Possible cause: Faulty main PCB.
INFORMATION
If all procedures listed above have been performed and the
problem is still present, contact the helpdesk.