Thermistor Abnormality

Error Code

Applicable

Models

REYQ-T

Method of Error

Detection

Detect according to temperature detected with individual thermistors.

Error Decision

Conditions

When the system is in operation and the thermistor causes wiring disconnection or short circuit in it.

Supposed

Causes

Defective connection of thermistor

Defective thermistor

Defective outdoor unit PCB

Note: ∗1.Error codes and thermistors

Error Code	Applicable Thermistor	REYQ72TYDN REYQ72TTJU		REYQ96-120TYDN REYQ96-120TTJU		REYQ144-168TYDN REYQ144-168TTJU
Error Code	Applicable Thermistor	Electric symbol	Connector	Electric symbol	Connector	Electric symbol	Connector
H9	Outdoor air	R1T	X18A	R1T	X18A	R1T	X18A
J3	Discharge pipe (M1C) thermistor	R2T	X19A (Group connector)	R21T	X19A (Group connector)	R21T	X19A (Group connector)
	Discharge pipe (M2C) thermistor	—	—	R22T	X19A (Group connector)	R22T
	Compressor surface temperature thermistor	R14T	X19A (Group connector)	—	—	R14T
J5	Comp. Suction	R12T	X15A (Group connector)	R12T	X15A (Group connector)	R12T	X15A (Group connector)
J5	Suction air	R10T	X29A (Group connector)	R10T	X29A (Group connector)	R10T	X29A (Group connector)
J6	H.E, deicer	R11T	X15A (Group connector)	R11T	X15A (Group connector)	R11T	X15A (Group connector)
J6	H.E. gas	R8T R9T	X29A (Group connector)	R8T R9T	X29A (Group connector)	R8T R9T	X29A (Group connector)
J7	Receiver inlet	R3T	X30A (Group connector)	R3T	X30A (Group connector)	R3T	X30A (Group connector)
J7	Subcooling H.E. liquid	R7T	X30A (Group connector)	R7T	X30A (Group connector)	R7T	X30A (Group connector)
J8	H.E. liquid	R4T R5T	X30A (Group connector)	R4T R5T	X30A (Group connector)	R4T R5T	X30A (Group connector)
J9	Subcooling H.E. gas	R6T	X30A (Group connector)	R6T	X30A (Group connector)	R6T	X30A (Group connector)
J9	Receiver gas purge	R13T	X17A	R13T	X17A	R13T	X17A

Viewing 1 post (of 1 total)