Troubleshooting by Indication on the Remote Controller
ESIE09-08A
180
Troubleshooting
3.29
“J5”
Indoor Unit: Malfunction of Thermistor (R7T) for Liquid
R-134a
Remote Control
Display
J5
Subcode 11
Applicable Models
All indoor units
Method of
Malfunction
Detection
Malfunction is detected from the temperature detected by the thermistor for liquid pipe.
Malfunction
Decision Conditions
When a short circuit or an open circuit in the thermistor for liquid pipe are detected.
Supposed Causes
Defect of thermistor (R7T) for liquid R134a
Defect of indoor unit PC board (A4P)
Troubleshooting
Refer to thermistor resistance / temperature characteristics table on P251.
Caution
Be sure to turn off power switch before connecting or disconnecting connector,
otherwise parts may be damaged.
Resistance
is normal
when measured
after disconnecting the
thermistor (R7T) from the
indoor unit PC board.
(3.5k
~360k )
Replace indoor unit PC board
(A4P).
Connect the thermistor and turn
on again.
NO
NO
Replace the thermistor (R7T).
YES
YES
Connector of
the thermistor for
liquid pipe is connected to
X12A [3,4] of indoor
unit PC board
(A1P).
Bad wire connection
value < -43.6˚C
Faulty thermistor
value > 165˚C
Содержание ALTHERMA HT EKBUHAA6 V3
Страница 2: ......
Страница 7: ...ESIE09 08A Table of Contents v 1 3 Service Tools 283 Index i Drawings Flow Charts iii ...
Страница 13: ...ESIE09 08A 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 08A 4 General Information ...
Страница 17: ...ESIE09 08A Specifications 5 Part 2 Specifications 1 Specifications 6 1 1 Outdoor Units 6 1 2 Indoor Unit 8 ...
Страница 28: ...Refrigerant Circuit ESIE09 08A 16 Refrigerant Circuit EKHBRD 011 014 016 AB AC V1 Y1 ...
Страница 38: ...Functional Parts Layout ESIE09 08A 26 Refrigerant Circuit 2 6 EKHTSU 200 260 A AB AC Front view Tank sensor ...
Страница 40: ...Functional Parts Layout ESIE09 08A 28 Refrigerant Circuit ...
Страница 63: ...ESIE09 08A PCB Layout for EKHBRD 011 014 016 AA AB AC V1 Y1 Refrigerant Circuit 51 ...
Страница 64: ...PCB Layout for EKHBRD 011 014 016 AA AB AC V1 Y1 ESIE09 08A 52 Refrigerant Circuit ...
Страница 125: ...ESIE09 08A Field Setting Test Operation 113 ...
Страница 232: ...Troubleshooting by Indication on the Remote Controller ESIE09 08A 222 Troubleshooting ...
Страница 237: ...ESIE09 08A Piping Diagrams Appendix 227 EKHBRD 011 014 016 AB AC V1 Y1 ...
Страница 250: ...Wiring Diagrams ESIE09 08A 240 Appendix EKHBRD 011 014 016 AB AC V1 ...
Страница 251: ...ESIE09 08A Wiring Diagrams Appendix 241 ...
Страница 256: ...Wiring Diagrams ESIE09 08A 246 Appendix EKHBRD 011 014 016 AB AC Y1 ...
Страница 257: ...ESIE09 08A Wiring Diagrams Appendix 247 ...
Страница 260: ...Wiring Diagrams ESIE09 08A 250 Appendix ...
Страница 266: ...Method of Replacing the Inverter s Power Transistors Modules ESIE09 08A 256 Appendix Inverter PC board C C W U V ...
Страница 288: ...3 Way Valve ESIE09 08A 278 Appendix ...