
Error Codes: Indoor Units
ESIE02–01
3–30
Part 3 – Troubleshooting
3
1
3
4
5
2.7
Thermistor Abnormality (
C4
or
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:
■
Thermistor input > 4.96 V, or
■
Thermistor output < 0.04 V.
Causes
The possible causes are:
■
Malfunctioning connector connection
■
Malfunctioning thermistor
■
Malfunctioning PCB
■
Broken or disconnected wire.
Checking
thermistors
See page 3–72.
Error
Description
C4
Malfunctioning heat exchanger thermistor system.
C9
Malfunctioning suction air thermistor system.
Operation
HAP (green)
HBP (green)
Normal
6
6
Malfunctioning
6
6
Summary of Contents for Sky Air R-407C
Page 1: ...ESIE02 01 Service Manual Sky Air R 407C B series SV p p p...
Page 2: ......
Page 3: ...ESIE02 01 Service Manual Sky Air R 407C B series SV p p p...
Page 4: ......
Page 16: ...Introduction ESIE02 01 xii 3 1 4 5...
Page 18: ...ESIE02 01 1 2 Part 1 System Outline 3 1 1 5...
Page 42: ...General Outline Outdoor Units ESIE02 01 1 26 Part 1 System Outline 3 1 1 4 5...
Page 49: ...ESIE02 01 General Outline Indoor Units Part 1 System Outline 1 33 3 1 4 5...
Page 72: ...General Outline Indoor Units ESIE02 01 1 56 Part 1 System Outline 3 1 1 4 5...
Page 86: ...Specifications ESIE02 01 1 70 Part 1 System Outline 3 1 1 4 5...
Page 110: ...ESIE02 01 1 94 Part 1 System Outline...
Page 130: ...Switch Box Layout ESIE02 01 1 114 Part 1 System Outline 3 1 1 4 5...
Page 180: ...PCB Layout ESIE02 01 1 164 Part 1 System Outline 3 1 1 4 5...
Page 182: ...ESIE02 01 2 2 Part 2 Functional Description 3 1 2 5...
Page 204: ...General Functionality ESIE02 01 2 24 Part 2 Functional Description 3 1 2 4 5...
Page 216: ...Overview of the cooling mode functions ESIE02 01 2 36 Part 2 Functional Description 3 1 2 4 5...
Page 232: ...ESIE02 01 3 2 Part 3 Troubleshooting 3 1 3 5...
Page 294: ...Error Codes System Malfunctions ESIE02 01 3 64 Part 3 Troubleshooting 3 1 3 4 5...