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ERROR CODE: F34
ERROR TYPE: Low Supply voltage
PROBABLE CAUSE: This occurs when the supply voltage drops below 170V.
SOLUTION:
1- Check if the supply voltage is below 170V. If the voltage is below this value, the system will remain blocked and the heat demand will not be met unless the voltage returns to the normal value.
2- If the voltage value is normal (200-240 V), replace the mainboard.
Updated on 9 January 2024, Tuesday
