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ESIE09-08A
Troubleshooting by Indication on the Remote Controller
Troubleshooting
147
3.5
“AJ”
Indoor Unit: Malfunction of Capacity Determination
Device
Remote Control
Display
AJ
Subcode 0
Applicable Models
All indoor unit models
Method of
Malfunction
Detection
Capacity is determined according to resistance of the capacity setting adapter and the memory inside the
IC memory on the indoor unit PC board, and whether the value is normal or abnormal is determined.
Malfunction
Decision Conditions
Operation and:
1. When the capacity code is not contained in the PC board’s memory, and the capacity setting adapter is
not connected.
2. When a capacity that doesn’t exist for that unit is set.
Supposed Causes
You have forgotten to install the capacity setting adapter.
Defect of indoor unit PC board (A4P).
Troubleshooting
(V2783)
Caution
Install a capacity setting adapter.
Replace the indoor unit PC board.
(A4P)
NO
NO
YES
YES
Replace the indoor unit PC
board. (A4P)
The indoor
unit PC board was
replaced with a replacement
PC board.
The
indoor unit is a
model that requires
installation of a capacity
setting adapter when
replacing the PC
board.
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...