Toshiba RAV-SM1101BT-E service manual P22 error/1A error, Single phase, RAV-SM1100AT-E, SM1400AT-E

[P22 error]/[1A error]

Are connections of CN301 and
CN300 of P.C. board correct?
		YES
Does the fan rotate without trouble					NO
when handling the fan with hands under condition
of removing CN301 and CN300 from P.C. board?
		YES
The status that the resistance values
between leads below are 50 to 80
for 40 motor (ICF-140-40) and 25 to 55					NO
for 60 motor (ICF-140-60-1) is normal.
Between	1	(Red lead) and 2	(White lead)
Between	2	(White lead) and	3	(Black lead)
Between	3	(Black lead) and	1	(Red lead)
of motor winding of connector (CN301)
		YES
	The status that there is				NO
5k to 20k		resistance values between
1 (Yellow lead) and 4 (Pink lead)
of motor position detection of
connector (CN300) is normal.
		YES

CN301

CN300

*Connector of RAV-SM560AT-E differs from that of RAV-SM800AT-E, RAV-SM1100AT-E, RAV-SM1400AT-E.

CN300: Motor coil winding

CN301: Motor position detection

Normal fan motor

(Control or CDB P.C. board)

(Control P.C. board or CDB P.C. board)

NOTE :

Defective fan motor

However, GND circuit error inside of the motor is rarely detected even if the above check is carried out. When the circuit does not become normal even if P.C. board has been replaced, replace outdoor fan motor.

	Single phase	Single phase	Single phase
	RAV-SM560AT-E RAV-SM800AT-E		RAV-SM1100AT-E, SM1400AT-E
Objective P.C. board	Control P.C. board	CDB P.C. board	CDB P.C. board
Fan motor winding	CN300	CN301	CN301
Motor position detection	CN301	CN300	CN300
Fan motor winding	——	——	CN303
Motor position detection	——	——	CN302

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