49
Table 8
Fault/Error and error code
Cause
Solution
Failure DHW tank sensor
(NTC)
14
- A relevant wiring cable may
break off or become seperated
from its connection.
- Relevant wiring cables may
be on contact.
- Consult qualified service.
Failure CH return sensor
(NTC)
16
- A relevant wiring cable may
break off or become seperated
from its connection.
- Relevant wiring cables may
be on contact.
- Consult qualified service.
No flame signal
04
- No flame in burner after 3
ignition trials (burner start is
unsuccessful).
- 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.
Flame loss
05
- After safety time the flame
signal is missing.
- 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.
Flame simulation
11
- A flame signal is seen
without the gasvalve being
open.
- Press the reset push-button
- If the lockout condition
continues after pressing the
reset push-button, consult
qualified service.
Failure power supply
32
- Low Mains voltage (less
than 160 VAC) will trigger
this error.
- The system stays in blocking
condition until Mains voltage
is back to nominal value.
Failure water pressure
40
- Operating water pressure is
not
suitable
for
your
appliance (less than 0,4 bar).
- Water pressure sensor is
damaged or not connected.
- The system stays in blocking
condition until water pressure
is back to nominal value.
- Check the valves whether is
open or not.
- Check circuits for leaks.
Summary of Contents for Confeo Premix CP 24 HST
Page 10: ...9 fig 1 agram...
Page 12: ...11 b a...
Page 19: ...18 fig 9...
Page 20: ...19 fig 10 7 B for CP 24 HM P 4 m for CP 30 HM P and 5 m for CP 35 HM P models...
Page 21: ...20 fig 11...
Page 22: ...21 h fig 13 a...
Page 23: ...22 fig 13...
Page 24: ...23 fig 14...
Page 25: ...24 fig 15...
Page 41: ...41 a Flow Adjusment b Offset Adjustment fig 30 fig 31...