48
Table 8
Fault/Error and error code
Cause
Solution
The boiler does not start
up
by turning the ON/OFF
switch to ‘ ON ‘ position.
(LCD is not ON).
- Lack of electricity.
-
Check the electricity
connections.
Lockout exhaust fume (flue
gas) overtemperature
07
- Insufficient flue draught.
- Insufficient or no water
flow.
- The flue gas sensor is out of
operating range (The limit
temperature is 105
0
C).
- Check the flue connections.
- Check the water circuits.
- Check the CH inlet valve and
radiator valves whether it is
open or not.
- Press the reset push-button
- If the lockout condition
continues after pressing the
reset push-button, consult
qualified service.
Lockout boiler
overtemperature
01
- If the CH flow temperature
exceeds 105
0
C, Lockout
boiler overtemperature error
occurs.
- Check the water circuits.
- Check the CH inlet valve and
radiator valves whether it is
open or not.
- Press the reset push-button
- If the lockout condition
continues after pressing the
reset push-button, consult
qualified service.
Boiler overtemperature
06
- If the CH water temperature
exceeds 95
0
C, Boiler
overtemperature error occurs.
- Boiler will remain in this
error
mode
till
water
temperature
drops
into
operating range.
- If repeated, consult qualified
service.
Failure CH flow sensor
(NTC)
12
- A relevant wiring cable may
break off or become seperated
from its connection.
- Relevant wiring cables may
be on contact.
- Consult qualified service.
Failure flue gas sensor
(NTC)
13
- A relevant wiring cable may
break off or become seperated
from its connection.
- Relevant wiring cables may
be on contact.
- Consult qualified service.
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...