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Errors


Boiler type MPO-IQ147

Error code ErP9

Cause:

No Ignition, Check Cad Cell

Solution:

The burner lit very late during the trial for ignition and is susceptible to not lighting.
-Check cad cell for proper alignment and clean if necessary.
-Check burner adjustments (refer to burner manufacturers instructions)
-Check electrodes and spring contacts (if equipped) and adjust per manufacturers  recommendations.
-Check if the pump is generating adequate pressure.
-Check the fuel supply lines and filter for obstructions.