Heat Controller MSH-0186/A Phenomena in case of connecting error, Indoor Unit, Cn-Up/Down, Cn-Th

8.The phenomena in case of connecting error

INDOOR UNIT

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Connector Type	Condition
CN-DC/DC	Open and connecting error

pBlue

Q Black

(D Brown © Red

CN-MOTOROpen

Open

CN-UP/DOWN

Short between terminals

CN-DISPOpen

Open

Phenomena

" The same as the phenomenon of Outdoor Unit.

-The indoor fan does not operate.

"The operation indicator of Indoor unit blinks 8 times.

"The up/down vane does not operate.

"The up/down vane does not smoothly operate.

"It does not operate with a remote controller.

"The operation indicator blinks once.

On for 0.5 second

Ott ior 3 seconds

" The compressor and the outdoor fan stop. " The indoor fan speed is low.

CN-TH

	" The operation indicator blinks once
Short between terminals		(on for 0.5 second, off for 3 seconds).
		The compressor operates continuously regardless
((I and ®) of ROOM-TH.	"
		of the setting temperature and the variation of room
		temperature.
Short between terminals	" The operation indicator blinks once
(T and ®) of PIPE-TH.		(on for 0.5 second, off for 3 seconds)
	" Continuous operation

"

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