Error code

Mitsubishi Electric PQHY code 4116

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Meaning

Fan rotation speed abnormality Motor abnormality: [PKFY-AM only] 1.If the fan rotation speed is detected to 180rpm or lower, or 2000rpm or more during the fan operation in the indoor unit, the unit stops once, turns to anti-restart mode for 3 minutes, and makes fan to stop for 30 seconds. 2.If the fan rotation speed is detected to 180rpm or lower, or 2000rpm or more again when the restart operation after 30 seconds since the fan stops, the unit makes an error stop (fan also stops), and the error code "4116" will appear.

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Possible causes

ply terminal block TB1 and the main board CNTR Refer to the 4102 error, item (3)c. (4) Main board failure (1) The connector for fan rotation speed detection (CN33) on the indoor control board is blown (2) The connector for fan output (FAN 1) on the indoor power board is blown (3) Disconnection of the connector for fan rotation speed detection (CN33) on the indoor control board or the connector for fan output (FAN 1) on the indoor power board (4) Clogged filter (5) The indoor fan motor malfunction (6) The circuit of fan rotation speed detection on the indoor control board or the circuit of fan output on the indoor power board faulty

Solution

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