Baxi EcoBlue Plus Combi Quick Start Manual Page 67

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  • TROUBLESHOOTING
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7212136 - 02 (08/14) EcoBlue Plus Combi 67
11
Domestic Hot Water - Follow operational sequence
Turn on mains power
The display illuminates
117 or 118 flashing
Set Hot Water temperature to
Maximum & fully open hot tap.
symbol flashing, pump runs
Go to section ‘A
Go to section ‘D’
DHW flow rate greater
than 2litres/min
Burner lights
If 110 is still flashing
go to section ‘H’
YES
YES
NO
NO
NO
YES
YES
NO
YES
YES
YES
NO
NO
Go to section ‘I’
NO
Press the reset button for 1
to 3 seconds
NO
NO
Fan runs at correct speed
160 flashing
Go to section ‘C’
Spark at ignition electrodes
up to 5 seconds & for 4
attempts
Go to section ‘F’. Press the
reset button for 1 to 3
seconds
YES
Burner lights
Go to section ‘E’
Burner goes out after 5
seconds
133 flashing
Go to section ‘G’
YES
YES
NO
109 flashing
125 flashing after 1 min
Go to section ‘J’
YES
YES
110 or 111 flashing
NO
Go to section ‘H’
YES
NO
3 Way Valve open to
Domestic Hot Water circuit
NO
Go to section ‘K’
YES
Burner modulates to
maintain set temperature
Check CH NTC sensor.
Go to section ‘D’
NO
130 flashing
NO
Go to section ‘M’
YES
Burner goes out
NO
Fan stops after 15
seconds
YES
Boiler operation correct
YES
Go to section ‘L
NO
Go to section ‘L
Go to section ‘B’
YES
If 110 or 384 is flashing or re-occurs
regularly, check all PCB connections. If this
has no effect replace the PCB.
110, 125, 133, or 384
flashing
20, 28, 40, 50 or 321
flashing
Flame Displayed
Check polarity
NO
133 and flashing
R
Troubleshooting
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