ESIE13-02A
Error Codes: Outdoor Units
137
Part 4 Troubleshooting
4
3
4
5
4
4.18
P4
Malfunction of Radiator Fin Temperature Thermistor
Remote controller
display
P4
Method of
malfunction
detection
Detection by open or short circuit of the radiator fin temperature thermistor during the compressor
stops operating.
Malfunction
decision conditions
When open or short circuit of the radiator fin temperature thermistor is detected during the compressor
stops operating
Supposed causes
Faulty radiator fin temperature thermistor
Faulty outdoor unit PC board
Troubleshooting
(*) See also "Check No.4 - Resistance Conversion Table (Ambient, Coil, Fin)" on page 153.
Caution
Be sure to turn off power switch before connect or disconnect connector, or parts damage may be
occurred.
Disconnect the connector
from X111A on inverter PC
board, then check the
thermistor resistance at the
ordinary temperature.
Normal?
(*)
Check LED on the
outdoor unit PC board.
Reset
Does the radiator
fin temperature thermistor
malfunction?
Is reset possible?
YES
NO
YES
NO
NO
YES
Probe other factors than the malfunction.
* Replace the inverter PC board (A2P) ERHQ***W1* / ERLQ***W1*
* Replace the outdoor PC board (A1P) ERHQ***V3* / ERLQ***V3*
* Replace the outdoor PC board (A1P) ERHQ***V3* / ERLQ***V3*
* Replace the inverter PC board (A2P) ERHQ***W1* / ERLQ***W1*
Summary of Contents for EHYHBH05AAV3
Page 16: ...Introduction ESIE13 02A 16 3 1 4 5...
Page 29: ...ESIE13 02A Functionality 29 Part 1 System Outline 3 1 4 5...
Page 30: ...Functionality ESIE13 02A Part 1 System Outline 30 3 1 1 4 5...
Page 35: ...ESIE13 02A Wiring Diagrams 35 Part 1 System Outline 3 1 4 5...
Page 36: ...Wiring Diagrams ESIE13 02A Part 1 System Outline 36 3 1 1 4 5...
Page 38: ...Wiring Diagrams ESIE13 02A Part 1 System Outline 38 3 1 1 4 5 3 3 Cable Dimensions...
Page 39: ...ESIE13 02A Wiring Diagrams 39 Part 1 System Outline 3 1 4 5...
Page 50: ...Outdoor Unit ESIE13 02A Part 2 Specifications 50 3 1 2 5...
Page 51: ...ESIE13 02A 51 Part 3 Commissioning 4 3 4 5 3 Part 3 Commissioning See Note on page 6...
Page 52: ...ESIE13 02A Part 3 Commissioning 52 3 1 3 5...
Page 98: ...Error Codes Hydro box ESIE13 02A Part 4 Troubleshooting 98 3 1 4 5 Troubleshooting...
Page 115: ...ESIE13 02A Error Codes Outdoor Units 115 Part 4 Troubleshooting 4 3 4 5 4 Troubleshooting...
Page 170: ...Maintenance Schedule ESIE13 02A Part 6 Maintenance 170 3 1 6...