Code
Cause of
the fault
Description
Checking / solution
E
:
02
SU/PCU
The boiler flow sensor has
short-circuited
Bad connection
4
Check the wiring between the PCU PCB and the sensor
4
Check that the SU PCB is correctly in place
4
Check that the sensor has been correctly fitted
Sensor fault
4
Check the Ohmic value of the sensor
4
Replace the sensor if necessary
E
:
03
SU/PCU
The boiler flow sensor is on an
open circuit
Bad connection
4
Check the wiring between the PCU PCB and the sensor
4
Check that the SU PCB is correctly in place
4
Check that the sensor has been correctly fitted
Sensor fault
4
Check the Ohmic value of the sensor
4
Replace the sensor if necessary
E
:
04
SU/PCU
Boiler temp too low
Bad connection
4
Check the wiring between the PCU PCB and the sensor
4
Check that the SU PCB is correctly in place
4
Check that the sensor has been correctly fitted
Sensor fault
4
Check the Ohmic value of the sensor
4
Replace the sensor if necessary
No water circulation
4
Vent the air in the heating system
4
Check the circulation (direction, pump, valves)
4
Check the water pressure
4
Check the cleanliness of the heat exchanger
E
:
05
SU/PCU
Boiler temperature too high
Bad connection
4
Check the wiring between the PCU PCB and the sensor
4
Check that the SU PCB is correctly in place
4
Check that the sensor has been correctly fitted
Sensor fault
4
Check the Ohmic value of the sensor
4
Replace the sensor if necessary
No water circulation
4
Vent the air in the heating system
4
Check the circulation (direction, pump, valves)
4
Check the water pressure
4
Check the cleanliness of the heat exchanger
E
:
06
SU/PCU
The return temperature sensor
has short-circuited
Bad connection
4
Check the wiring between the PCU PCB and the sensor
4
Check that the SU PCB is correctly in place
4
Check that the sensor has been correctly fitted
Sensor fault
4
Check the Ohmic value of the sensor
4
Replace the sensor if necessary
CALORA TOWER GAS 15S EX CALORA TOWER GAS 25S EX
CALORA TOWER GAS 35S EX
9. Troubleshooting
22/04/2016 - 300026141-001-07
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Содержание CALORA TOWER GAS 15S EX
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