E.C.A. Confeo Premix CP 24 HST Installation And User's Operating Instructions page 49

Table 8
Fault/Error and error code
Failure DHW tank sensor
(NTC)
14
Failure CH return sensor
(NTC)
16
No flame signal
04
Flame loss
05
Flame simulation
11
Failure power supply
32
Failure water pressure
40
Cause
- A relevant wiring cable may
break off or become seperated
from its connection.
- Relevant wiring cables may
be on contact.
- A relevant wiring cable may
break off or become seperated
from its connection.
- Relevant wiring cables may
be on contact.
- No flame in burner after 3
ignition trials (burner start is
unsuccessful).
- After safety time the flame
signal is missing.
- A flame signal is seen
without the gasvalve being
open.
- Low Mains voltage (less
than 160 VAC) will trigger
this error.
- Operating water pressure is
not suitable for
appliance (less than 0,4 bar).
- Water pressure sensor is
damaged or not connected.
Solution
- Consult qualified service.
- Consult qualified service.
- Press the reset push-button
- If the lockout condition
continues after pressing the
reset push-button, check the
gas inlet and supply valves.
- Having all tries expired,
consult qualified service.
- Press the reset push-button
- If the lockout condition
continues after pressing the
reset push-button, check the
gas inlet and supply valves.
- Having all tries expired,
consult qualified service.
- Press the reset push-button
- If the lockout condition
continues after pressing the
reset push-button,
qualified service.
- The system stays in blocking
condition until Mains voltage
is back to nominal value.
- The system stays in blocking
your condition until water pressure
is back to nominal value.
- Check the valves whether is
open or not.
- Check circuits for leaks.
consult
49