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ESIE09-08A
Troubleshooting by Indication on the Remote Controller
Troubleshooting
197
3.46
“L9”
Indoor Unit: Inverter Start up Error
Remote Control
Display
L9
Subcode 9
Applicable Models
All indoor units
Method of
Malfunction
Detection
Malfunction is detected from current flowing in the power transistor.
Malfunction
Decision Conditions
When overload in the compressor is detected during startup
Supposed Causes
Defect of compressor
Pressure differential start
Defect of outdoor unit PC board [A4P (1
ø
) or A5P (3
ø
)]
Troubleshooting
Caution
Be sure to turn off power switch before connect or disconnect connector, or
parts damage may be occurred.
Inverter
output voltage
check Inverter output
voltage is not balanced.
(Normal if within
±
5V) Must be
measured when
frequency is stable.
Unsatisfactory pressure equalization
Check refrigerant system.
Compressor inspection
Inspect according to the diagnosis
procedure for odd noises, vibration
and operating status of the
compressor.
YES
Replace the inverter PC board
assy [A4P (1
ø
) or A5P (3
ø
)].
NO
NO
Reset and restart.
NO
The
difference between
high and low pressure when
starting is above
0.2MPa.
YES
YES
Disconnect the connection
between the compressor and
inverter. Make the power
transistor check mode ON by
service mode.
After turning on
again, “L9”- “09” blinks
again.
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 ...