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ESIE05-03
Error Codes: Indoor Units
Part 3 – Troubleshooting
3–53
4
5
1
3
2.8
Thermistor Abnormality (
C4, C5, C9
)
Error code
The table below describes the two thermistor abnormalities.
LED indications
The table below shows the LED indications.
Error generation
The error is generated when during compressor operation:
P
Thermistor input > 4.96 V, or
P
Thermistor output < 0.04 V.
Causes
The possible causes are:
P
Malfunctioning connector connection
P
Malfunctioning thermistor
P
Malfunctioning PCB
P
Broken or disconnected wire.
Checking
thermistors
See page 3–106.
Error
Description
C4
Malfunctioning heat exchanger thermistor system.
C5
Malfuncioning gaspipe thermistor system.
C9
Malfunctioning suction air thermistor system.
Operation
HAP (green)
HBP (green)
Normal
c
c
Malfunctioning
c
c
ESIE05-03.book Page 53 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...