Mitsubishi Electronics JT-SB216DS-W-AUS manual Resistance values between black and white, red

	Error mode display		Cause	Check procedure and action to take
			1.Motor	• Measure the winding resistance. (Measure the
	LED1	LED2
				resistance values between "black and white," "red and
	Power	Inspection
				black," and "white and red" wires of the 1-pin
	✩	●
				connector coming from the motor.)
(Motor lock)
				* Replace the motor if the measured values are other
				than the normal value shown in
				the table at right.
					Measured value	Decision
					Approx. 3.4 to 3.7Ω	Normal

			2.Control circuit	• Replace the control circuit if other than above.
			1.Excess voltage applied	• Is a rated power supply voltage of 220 to 240 V being
	LED1	LED2
				applied?
	Power	Inspection	2.Low voltage
				• Is a rated power supply voltage of 220 to 240 V being
	●	✩
				applied?
(Overvoltage, low voltage,			3.No power supply
				• Is a power supply frequency 50 or 60 Hz?
power supply frequency
			frequency
detection)
			4.Control circuit	• Replace the control circuit if other than the above.
			1.Control circuit	• Replace the control circuit.
	LED1	LED2
	Power	Inspection
	●	✻
(Microcomputer RAM abnormality)
			1.Motor	• Measure the winding resistance. (Measure the
	LED1	LED2
				resistance values between "black and white," "red and
	Power	Inspection
				black," and "white and red" wires of the 1-pin
	●	●
				connector coming from the motor.)
(Overcurrent detection)
				* Replace the motor if the measured values are other
				than the normal value shown
				in the table at right.	Measured value	Decision
					Approx. 3.4 to 3.7Ω	Normal

			2.Control circuit	• Replace the control circuit if other than above.
			1.Control circuit	• Replace the control circuit.
	LED1	LED2
	Power	Inspection
	●	✩
(Current detection circuit
abnormality)

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