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SiBE28-804
Troubleshooting by Remote Controller Display / LED Display
Troubleshooting
173
5.14 “
C4
”, “
C9
” Thermistor Abnormality
Remote
Controller
Display
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.
Supposed
Causes
The possible causes are:
Malfunctioning connector connection
Malfunctioning thermistor
Malfunctioning PC board
Broken or disconnected wire.
Checking
thermistors
Refer to P227.
Error
Description
C4
Malfunctioning heat exchanger thermistor system.
C9
Malfunctioning suction air thermistor system.
Operation
HAP (green)
HBP (green)
Normal
5
5
Malfunctioning
5
5
Summary of Contents for FHQ100BUV1B x 2
Page 13: ...SiBE28 804 2 ...
Page 19: ...Model Name and Power Supply SiBE28 804 8 General Information ...
Page 29: ...Specifications SiBE28 804 18 Specifications ...
Page 33: ...Wired Remote Controller SiBE28 804 22 Remote Controller 1 2 Installation ...
Page 34: ...SiBE28 804 Wired Remote Controller Remote Controller 23 ...
Page 93: ...Outdoor Unit Fan Speed Control SiBE28 804 82 Functional Description ...
Page 131: ...Test Run and Operation Data SiBE28 804 120 Test Operation ...
Page 251: ...Troubleshooting by Remote Controller Display LED Display SiBE28 804 240 Troubleshooting ...
Page 277: ...PCB Layout SiBE28 804 266 Appendix ...
Page 297: ...RZQ100 140C7 RZQS125 140C7V1B SiBE28 804 286 Removal Procedure ...
Page 311: ...SiBE28 804 iv Index ...