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SiBE28-804
Troubleshooting by Remote Controller Display / LED Display
Troubleshooting
197
5.28 “
L1
” Faulty Outdoor PC Board
Remote
Controller
Display
L1
Applicable
Models
RZQ71~140C7V1B, RZQS71~140C7V1B
Method of
Malfunction
Detection
Detect malfunctions by current value during waveform output before compressor startup.
Detect malfunctions by current sensor value during synchronized operation at the time of
startup.
Detect malfunctions using an MP-PAM series capacitor overvoltage sensor.
Malfunction
Decision
Conditions
When over-current is detected at the time of waveform output before operating the
compressor
When the current sensor malfunctions during synchronized operation
When overvoltage occurs in MP-PAM
In case of IGBT malfunction
In case of faulty jumper setting
Supposed
Causes
Faulty outdoor PC board (A1P)
•
IPM failure
•
Current sensor failure
•
MP-PAM failure
•
Failure of IGBT or drive circuit
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 ...