Baxi EcoBlue System 12 User Manual

7219708 - 01 (04/15) EcoBlue System 67
Troubleshooting 11
Replace PCB
Check and correct if necessary
1. Ignition electrode and lead
2. Electrode connection
3. Spark gap and position
Check wiring (see Diagram)
and 230V at PCB X14 (between
blue & brown from igniter)
YES
NO
F
7.5*
±
1
4
±
0.5
1
0
±
1
Spark Ignition
Electrode
Flame
Sensing
Electrode
*NOTE: On 12 & 15 models
gap is 5mm !
Electrode Position
Viewing Window
Burner
Check and correct if necessary
1. The set of the gas valve
(CO
2
values - see Section 10.3.20)
2. Flame sensing electrode and lead connections
3. Flame sensing electrode position
1.
2.
G
Replace sensing electrode or PCB
Replace PCB
YES
Replace safety thermostat
YES
NO
Safety Thermostat operated
or faulty
Check for and correct any
system faults
H
Allow to cool. Continuity
across thermostat terminals
more than 1.5 ohm
NO
Check Flow & Return
Sensors - see section ‘D’
NO
Is 110 or 111 still flashing ?
YES
Check supply pressure at the
gas cock test point (Fig. 41):-
Natural Gas - Minimum 17 mbar
YES
Replace Igniter

Baxi EcoBlue System 12 Specifications

General

Brand	Baxi
Model	EcoBlue System 12
Category	Boiler
Language	English