ESIE05-03
Error Codes: Outdoor Units
Part 3 – Troubleshooting
3–79
3
3
4
5
1
3.14
Radiation Fin Temperature Increased (
L4
)
Remote Controller
Display
L4
Method of
Malfunction
Detection
Fin temperature is detected by the thermistor of the radiation fin.
Malfunction
Decision
Conditions
When the temperature of the inverter radiation fin increases abnormally due to faulty heat dissipation.
Supposed Causes
P
Activation of fin thermal switch
P
Faulty fin thermistor
P
High outside air temperature
P
Insufficient cooling of inverter radiation fin
P
Blocked suction opening
P
Dirty radiation fin
P
Faulty outdoor unit PCB
Troubleshooting
∗
Fin temperature detection values
Caution
Be sure to turn off power switch before connect or disconnect connector, or parts damage may be
occurred.
Detection
Reset
RZQ71 (1~)
87°C
77°C
RZQ100~125 (1~)
79°C
69°C
RZQ100~140 (3~)
76°C
66°C
Is reset possible?
Do LEDs on
outdoor unit PCB indicate
fin temperature
abnormality?
Could
problem be
caused by high fin
temperature? * See
detection value
table
Reset
NO
NO
NO
YES
YES
YES
Correct the problem.
Inspect outdoor unit PCB
and remote controller.
Check remote controller indication.
See the section on "P4" error.
ESIE05-03.book Page 79 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...