ECR International CCB-150, Installation, Operation & Maintenance Manual

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13 - TROUBLE SHOOTING
Diagnostics
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fault code.
There are faults that cause permanent shutdown (marked with the letter “ A ”): to restore operation just press the RESET
button (detail 6 - Section 10.4, Control, page 25) for 1 second or RESET on the optional remote timer control if installed;
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Other faults (marked with the letter “ F ”) cause temporary shutdowns that are automatically reset as soon as the value
returns within the boiler’s normal working range.
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- List of faults
Fault
code
Fault Possible cause Cure
A01 No burner ignition
No gas
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A02
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A03
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F05
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F10
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F11
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F14
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A15
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F34
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Electric mains trouble
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F35
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Electric mains trouble
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F37
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Check the sensor
F39
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A41
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F42
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F43
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O circulation
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A44
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A48
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F51
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Check the contact
EN
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EN