Daikin FDMR50TVMG, Руководство по обслуживанию

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Troubleshooting for Wall Mounted and LSP Duct Type Indoor Unit SiSG121917E
119 Part 6 Service Diagnosis
5.3 Indoor Fan Motor or Related Abnormality
5.3.1 DC Fan Motor or Related Abnormality
Applicable
Models CTKS25/35/50/60/71TVMG
CTKB25/35/50/60TVMG
Error Code
A6
Method of Error
Detection The rotation speed detected by the Hall IC during fan motor operation is used to determine
abnormal fan motor operation.
Error Decision
Conditions The detected rotation speed does not reach the demanded rotation speed of the target tap, and
is less than 50% of the maximum fan motor rotation speed.
Supposed
Causes
 Remarkable decrease in power supply voltage
 Layer short inside the fan motor winding
 Breaking of wire inside the fan motor
 Breaking of the fan motor lead wires
 Defective capacitor of the fan motor
 Defective indoor unit PCB
Troubleshooting
Caution
OK?
N O
YES
YES
N O
Be s u re to t u rn off the po w er s w itch b efore connecting or disconnecting
connectors, or parts may b e damaged.
Check the connector for
connection.
N ote: The motor may b reak w hen the
motor connector is disconnected
w ith the po w er s u pply on.
(T u rn off the po w er s u pply b efore
connecting the connector also.)
∗
To sec u re the connection,
once disconnect the connector
and then reconnect it.
Foreign matters in or
aro u nd the fan?
Rotate the fan b y hand.
Correct the connection.
Remo v e the foreign matters.
T u rn off the po w er s u pply.
(Unpl u g the po w er ca b le or t u rn
the b reaker off.)
A Go to the next page
(R23939)