Troubleshooting
ESIE05-03
3–32
Part 3 – Troubleshooting
3
1
3
4
5
P
In the case of the shaded error codes, “inspection” is not displayed. The system operates, but be
sure to inspect and repair it.
Notes:
1
There is a possibility of open phase power supply, check power supply also.
2
Operation when a malfunction occurs may differ according to the model.
P1
Open phase or voltage unbalance
P4
Abnormal radiation fin temperature sensor
(outdoor unit)
PJ
Failure of capacity setting (outdoor unit)
Either capacity data is set incorrectly, or capacity
has not been set for the data IC
U0
Lack of gas malfunction
Abnormal suction pipe temperature
U2
Abnormal power supply voltage
Including malfunction of K1M, K2M
U4/UF
Failure of transmission (between indoor and
outdoor unit)
Transmission between indoor and outdoor unit is
not being correctly carried out. (Note 1, Note 2)
U5
Failure of transmission (between indoor unit and
remote controller)
Transmission between indoor and remote
controller is not being correctly carried out.
U8
Failure of transmission (between “main” and
“sub” remote controller
Transmission between “main” and “sub” remote
controller is not being correctly carried out.
UA
Failure of fieldsetting
System fieldsetting error pair, twin, triple, double
twin or wrong capacity class.
UC
Address error of central remote controller
Malfunction Code
Contents/Processing
Remarks
ESIE05-03.book Page 32 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...