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The code indicates an overtemperature condition in heating mode. These are the causes, checks, and the scope for action.
The black screen over HDMI is usually due to the cable, source, or an incompatible resolution. These checks clarify the fault.
The warning usually indicates the outdoor probe: causes, checks, and when repair is needed.
The alert usually indicates an out-of-range voltage. These are the causes, the key check, and the role of the board.
The alert usually indicates an indoor fan fault: anything from an obstruction to a damaged motor or circuit board.
What does that warning indicate on Ferroli equipment, why does it appear, and how should you act before calling technical service?
The H3 error is usually related to overheating during drying and has several possible causes.
The H16 fault usually indicates a problem in the outdoor unit, with electrical, electronic, or refrigerant causes.
The H1 fault usually indicates a communication problem between boards and requires checking the power supply, wiring, and electronics.
What does this warning reveal, when is resetting enough, and what to check if it appears again.
The boiler continues to detect a flame after the gas is shut off: causes, warning signs, and what inspection it needs.
Fault F99 indicates an overcurrent protection in the outdoor unit. This is how it is interpreted and addressed.