Troubleshooting by Indication on the Remote Controller
ESIE09-08A
214
Troubleshooting
3.59
“U7”
Indoor Unit: Malfunction of Transmission Outdoor Unit
Remote Control
Display
U7
Subcode 2
Applicable Models
ER*Q 011~016*
Method of
Malfunction
Detection
Microcomputer checks the transmission of outdoor unit.
Malfunction
Decision Conditions
When transmission is not carried out normally for a certain amount of time
Supposed Causes
Improper connection of transmission wiring between outdoor unit and external control adaptor for
outdoor unit
Improper cool/heat selection
Improper cool/heat unified address (outdoor unit, external control adaptor for outdoor unit)
Defect of outdoor unit PC board (A1P)
Defect of external control adaptor for outdoor unit
Troubleshooting
Caution
Be sure to turn off power switch before connecting or disconnecting connector,
otherwise parts may be damaged.
(V2824)
C/H
SELECT is set to “IND”.
Replace the outdoor unit PC
Board (A1P).
YES
Cool/heat selection is
unified.
Set C/H SELECT to “IND”.
NO
NO
C/H SELECT is set to
“MASTER”.
C/H SELECT is set to
“SLAVE”.
Set C/H SELECT to “IND”.
YES
YES
Set C/H SELECT to “IND”.
Replace the outdoor unit PC
board (A1P).
NO
NO
YES
( )
( )
( )
( ) To select “IND”, press the BS2 button (set) till H3P led is on. Then press BS3 button (return) to confirm.
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 ...