ESIE05-03
Troubleshooting
Part 3 – Troubleshooting
3–31
3
3
4
5
1
1.7
Overview of Error Codes
Malfunction Code
Contents/Processing
Remarks
A1
Failure of PC board ass’y for indoor unit
A3
Malfunction of drain water level system
A6
Indoor unit fan motor overload / overcurrent / lock (Note 1)
A7
Swing flap motor lock
AF
Abnormal drain water level
Activation of float switch during compressor off.
AJ
Failure of capacity setting
Either capacity data is set incorrectly, or capacity
has not been set for the data IC
C4
Malfunction of heat exchanger temperature
sensor system
C5
Malfunction of gas piping temperature sensor
system
C9
Malfunction of suction air temperature sensor
system
CJ
Malfunction of remote control air temperature
sensor system
Failure of remote controller air thermistor.
Unit can be operated by indoor unit thermistor.
CC
Malfunction of humidity sensor system
E1
Outdoor unit PC board malfunction
E3
High pressure malfunction (outdoor unit)
E4
Abnormality of low pressure (outdoor)
Failure of low pressure sensor system.
Check if the stop valve open.
E5
Compressor motor lock malfunction
Compressor motor lock, incorrect wiring.
E7
Outdoor fan motor lock or outdoor fan
instantaneous overcurrent malfunction
E9
Malfunction of electronic expansion valve
(outdoor unit)
F3
Discharge pipe temperature malfunction
(outdoor unit)
H3
Failure of high pressure switch (outdoor unit)
H9
Malfunction of outdoor air temperature sensor
system (outdoor unit)
(Note 2)
J3
Malfunction of discharge pipe temperature
sensor system (outdoor unit)
J5
Suction pipe thermistor malfunction
Failure of suction pipe thermister system
J6
Malfunction of heat exchanger temperature
sensor system (outdoor unit)
(Note 2)
JC
Malfunction of suction pressure sensor
Failure of suction pressure sensor system
L4
Radiation fin temperature rise
Malfunction of inverter cooling
L5
Instantaneous over current
Possibility of compressor motor grounding or
shortage of motor winding
L8
Electronic thermal
Possibility of compressor overload, open circuit
in compressor motor
L9
Stall prevention
Possibility of compressor seizing
LC
Malfunction of transmission system (between
control PCB and inverter PCB)
ESIE05-03.book Page 31 Wednesday, April 6, 2005 4:09 PM
Summary of Contents for RZQ100B7W1B
Page 1: ...Service Manual ESIE05 03 RZQ71 125B8V3B RZQ100 140B7W1B Sky Air Inverter R 410A B series...
Page 2: ......
Page 10: ...ESIE05 03 viii Table of Contents 3 1 4 5...
Page 24: ...ESIE05 03 1 2 Part 1 System Outline 3 1 1 5...
Page 32: ...General Outline Outdoor Units ESIE05 03 1 10 Part 1 System Outline 3 1 1 4 5...
Page 42: ...Specifications ESIE05 03 1 20 Part 1 System Outline 3 1 1 4 5...
Page 56: ...Functional Diagrams ESIE05 03 1 34 Part 1 System Outline 3 1 1 4 5...
Page 58: ...ESIE05 03 1 36 Part 1 System Outline...
Page 70: ...Wiring Diagrams ESIE05 03 1 48 Part 1 System Outline 3 1 1 4 5...
Page 84: ...PCB Layout ESIE05 03 1 62 Part 1 System Outline 3 1 1 4 5...
Page 86: ...ESIE05 03 2 2 Part 2 Functional Description 3 1 2 5...
Page 110: ...General Functionality ESIE05 03 2 26 Part 2 Functional Description 3 1 2 4 5...
Page 150: ...ESIE05 03 3 2 Part 3 Troubleshooting 3 1 3 5...
Page 188: ...Troubleshooting ESIE05 03 3 40 Part 3 Troubleshooting 3 1 3 4 5...
Page 264: ...Additional Checks for Troubleshooting ESIE05 03 3 116 Part 3 Troubleshooting 3 1 3 4 5...
Page 266: ...ESIE05 03 4 2 Part 4 Commissioning and Test Run 3 1 4 5...
Page 306: ...ESIE05 03 5 2 Part 5 Disassembly and Maintenance 3 1 5...