Error code
Mitsubishi Electric PQHY code 7110
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Meaning
Heat source Unset unit connection unit information error The start-up of the unit has not completed normally in the system to which a transmission booster is connected.
Member details
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View details as a memberPossible causes
When all power sources are turned off after the start-up of the unit has completed normally. When the start-up of the unit has completed without turning on the power source of the transmission booster. When the power source of the transmission booster is turned on afterwards.
Solution
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Address of this page: https://www.remfixit.com/tr/mitsubishi-electric/pqhy/7110