![background image](http://html1.mh-extra.com/html/daikin/altherma-ht-ersq-011-aa/altherma-ht-ersq-011-aa_service-manual_4142901187.webp)
ESIE09-08A
Troubleshooting by Indication on the Remote Controller
Troubleshooting
177
3.26
“J3”
Outdoor Unit: Malfunction of Discharge Pipe Thermistor
(R2T)
Remote Control
Display
J3
Applicable Models
ER*Q 011~016*
Method of
Malfunction
Detection
Malfunction is detected from the temperature detected by discharge pipe temperature thermistor.
Malfunction
Decision Conditions
When a short circuit or an open circuit in the discharge pipe temperature thermistor is detected.
Supposed Causes
Defect of thermistor (R2T) for outdoor unit discharge pipe
Defect of outdoor unit PC board (A1P)
Troubleshooting
Refer to thermistor resistance / temperature characteristics table on P252.
(V3072)
Caution
Be sure to turn off power switch before connect or disconnect connector, or
parts damage may be occurred.
Resistance is
normal when
measured after
disconnecting the thermistor
R2T from the outdoor unit PC
board.
(5.0k
Ω
~640k
Ω
)
Replace outdoor unit PC board
(A1P).
Connect the thermistor and turn on
again.
NO
NO
Replace the thermistor (R2T).
YES
YES
Connector
is connected to
X12A of outdoor unit PC
board (A1P).
Summary of Contents for ALTHERMA HT ERSQ 011 AA
Page 2: ......
Page 7: ...ESIE09 08A Table of Contents v 1 3 Service Tools 283 Index i Drawings Flow Charts iii...
Page 16: ...Model Names of Indoor Outdoor Units Tanks ESIE09 08A 4 General Information...
Page 28: ...Refrigerant Circuit ESIE09 08A 16 Refrigerant Circuit EKHBRD 011 014 016 AB AC V1 Y1...
Page 40: ...Functional Parts Layout ESIE09 08A 28 Refrigerant Circuit...
Page 63: ...ESIE09 08A PCB Layout for EKHBRD 011 014 016 AA AB AC V1 Y1 Refrigerant Circuit 51...
Page 64: ...PCB Layout for EKHBRD 011 014 016 AA AB AC V1 Y1 ESIE09 08A 52 Refrigerant Circuit...
Page 125: ...ESIE09 08A Field Setting Test Operation 113...
Page 232: ...Troubleshooting by Indication on the Remote Controller ESIE09 08A 222 Troubleshooting...
Page 237: ...ESIE09 08A Piping Diagrams Appendix 227 EKHBRD 011 014 016 AB AC V1 Y1...
Page 250: ...Wiring Diagrams ESIE09 08A 240 Appendix EKHBRD 011 014 016 AB AC V1...
Page 251: ...ESIE09 08A Wiring Diagrams Appendix 241...
Page 256: ...Wiring Diagrams ESIE09 08A 246 Appendix EKHBRD 011 014 016 AB AC Y1...
Page 257: ...ESIE09 08A Wiring Diagrams Appendix 247...
Page 260: ...Wiring Diagrams ESIE09 08A 250 Appendix...