Code
Display text
Description
Solution
E.04.00
Parameter error
Safety parameters Level 5 are not
correct or missing
Replace the CU-GH.
E.04.01
TFlow Closed
Flow temperature sensor is either
shorted or measuring a temperature
above range
Flow temperature sensor short circuited:
Bad connection: check the wiring and connec
tors
Incorrectly fitted sensor: check that the sensor
has been correctly fitted
Faulty sensor: replace the sensor
E.04.02
TFlow Open
Flow temperature sensor is either
removed or measuring a tempera
ture below range
Flow temperature sensor open:
Bad connection: check the wiring and connec
tors
Faulty sensor: replace the sensor
E.04.03
Max Flow temp
Measured flow temperature above
savety limit
No flow or insufficient flow:
Check the circulation (direction, pump, valves)
Check the water pressure
Check the cleanliness of the heat exchanger
E.04.04
TFlue Closed
Flue temperature sensor is either
shorted or measuring a temperature
above range
Flue gas temperature sensor short-circuited:
Bad connection: check the wiring and connec
tors
Incorrectly fitted sensor: check that the sensor
has been correctly fitted
Faulty sensor: replace the sensor
E.04.05
TFlue Open
Flue temperature sensor is either re
moved or measuring a temperature
below range
Flue gas temperature sensor open:
Bad connection: check the wiring and connec
tors
Incorrectly fitted sensor: check that the sensor
has been correctly fitted
Faulty sensor: replace the sensor
E.04.06
Max Flue temp
Measured flue temperature above
limit
-
E.04.07
TFlow Sensor
Deviation in flow sensor 1 and flow
sensor 2 detected
Flow temperature sensor deviation:
Bad connection: check the connection
Faulty sensor: replace the sensor
E.04.08
Safety input
Safety input is open
Air pressure differential switch activated:
Bad connection: check the wiring and connec
tors
Pressure in flue gas duct is or was too high:
Non-return valve does not open
Siphon blocked or empty
Check that the air supply inlet and flue gas
outlet are not blocked
Check the cleanliness of the heat exchanger
E.04.09
TFlue Sensor
Deviation in flue sensor 1 and flue
sensor 2 detected
Flue gas temperature sensor deviation:
Bad connection: check the connection
Faulty sensor: replace the sensor
10 Troubleshooting
54
7701838 - v.09 - 10122021
Содержание Quinta Ace 135
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