REMEHA HMI Gas 610 ECO PRO Installation, User And Service Manual page 26

6. Troubleshooting
Error Description
code
Temperature of heat
4
e[04
exchanger too low
e[05
Exchanger
4
temperature too high
Return temperature
e[06
sensor short circuited
Return temperature
e[07
sensor open circuit
Return temperature
4
e[08 too low
e[09
Return temperature
4
too high
Difference between the
e[10
flow and return
e[11
temperatures too great
Air differential
4
pressure switch has
been triggered
e[12
Temperature of heat
4
exchanger above
normal range (high-
limit thermostat STB)
25
Probable causes
Bad connection
4
No circulation
4
Sensor not or badly
4
connected
Sensor fault
4
Bad connection
4
Sensor not or badly
4
connected
Sensor fault
4
Bad connection
4
Sensor not or badly
4
connected
Sensor fault
4
Bad connection
4
No circulation
4
Sensor not or badly
4
connected
Sensor fault
4
No circulation
4
Sensor not or badly
4
connected
Sensor fault
4
Air inlet or flue gas
4
discharge blocked
Bad connection
4
No circulation
4
Sensor not or badly
4
connected
Sensor fault
4
Checking / solution
Check the wiring
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 sensor has been correctly fitted
4
Check that the sensors are operating correctly
4
Replace the sensor if necessary
4
Check the wiring
4
Check that the sensor has been correctly fitted
4
Check that the sensors are operating correctly
4
Replace the sensor if necessary
4
Check the wiring
4
Check that the sensor has been correctly fitted
4
Check that the sensors are operating correctly
4
Replace the sensor if necessary
4
Check the wiring
4
Check the cleanliness of the heat exchanger
4
Vent the air in the heating system
4
Check the circulation (direction, pump, valves)
4
Check the water pressure
4
Check that the sensors are operating correctly
4
Check that the sensor has been correctly fitted
4
Vent the air in the heating system
4
Check the water pressure
4
Check that the heating pump is operating correctly
4
Check the circulation (direction, pump, valves)
4
Check the cleanliness of the heat exchanger
4
Check that the sensor has been correctly fitted
4
Check that the sensors are operating correctly
4
Replace the sensor if necessary
4
Check that the air inlet and flue gas discharge flues
4
are not blocked
Check the wiring
4
Check the water pressure
4
Check that the heating pump is operating correctly
4
Check the circulation (direction, pump, valves)
4
Check the cleanliness of the heat exchanger
4
Check that the sensor has been correctly fitted
4
Check that the sensors are operating correctly
4
Replace the sensor if necessary
4
HMI Gas 310/610 ECO PRO
051112 - 125482-03