REMEHA CALORA TOWER GAS 15S EX, Инструкция по установке и обслуживанию

Страница: 86 / 108

Code Cause of
the fault Description Checking / solution
E : 07
SU/PCU The return temperature 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 : 08
SU/PCU Return temperature 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 : 09
SU/PCU Return 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 : 10
SU/PCU Difference between the flow
and return temperatures
insufficient
Sensor fault
4
Check the Ohmic value of the sensor
4
Replace the sensor if necessary
Bad connection
4
Check that the sensor has been correctly fitted
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
4
Check that the heating pump is operating correctly
9. Troubleshooting CALORA TOWER GAS 15S EX CALORA TOWER GAS 25S EX
CALORA TOWER GAS 35S EX
84 22/04/2016 - 300026141-001-07