Troubleshooting by Indication on the Remote Controller
ESIE09-08
170
Troubleshooting
3.31
“J9”
Outdoor Unit: Malfunction of Thermistor (R4T) for
Subcooling Heat Exchanger Gas Pipe
Remote Control
Display
J9
Applicable
Models
ER*Q 011~016*
Method of
Malfunction
Detection
Malfunction is detected according to the temperature detected by subcooling heat exchanger
gas pipe thermistor.
Malfunction
Decision
Conditions
When the subcooling heat exchanger gas pipe thermistor is short circuited or open.
Supposed
Causes
Faulty subcooling heat exchanger gas pipe thermistor (R4T)
Faulty outdoor unit PC board
Troubleshooting
∗
Refer to “Thermistor Resistance / Temperature Characteristics” table on P229.
(V3075)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Is the
resistance
measured after
removing the thermistor
(R4T) from outdoor unit PC
board normal?
(3.5 k
Ω
to 360 k
Ω
)
Replace outdoor unit PC board
(A1P).
Connect connector and operate
unit again.
NO
NO
Replace thermistor (R4T).
YES
YES
Is the
connector for
subcooling heat
exchanger gas pipe
thermistor connected to
X12A of outdoor unit
PC board
(A1P)?
Содержание ERSQ 011AAV1
Страница 2: ......
Страница 12: ...Introduction ESIE09 08 x...
Страница 13: ...ESIE09 08 General Information 1 Part 1 General Information 1 Model Names of Indoor Outdoor Units Tanks 2...
Страница 16: ...Model Names of Indoor Outdoor Units Tanks ESIE09 08 4 General Information...
Страница 17: ...ESIE09 08 Specifications 5 Part 2 Specifications 1 Specifications 6 1 1 Outdoor Units 6 1 2 Indoor Unit 8...
Страница 22: ...Specifications ESIE09 08 10 Specifications...
Страница 36: ...Functional Parts Layout ESIE09 08 24 Refrigerant Circuit 2 5 EKHTSU 200 260 A Front view Tank sensor...
Страница 38: ...Functional Parts Layout ESIE09 08 26 Refrigerant Circuit...
Страница 246: ...Method of Replacing the Inverter s Power Transistors Modules ESIE09 08 234 Appendix Inverter PC board C C W U V...
Страница 248: ...Method of Replacing the Inverter s Power Transistors Modules ESIE09 08 236 Appendix...