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Troubleshooting by Remote Controller Display / LED Display
SiBE28-804
166
Troubleshooting
5.10 “
A8
” Abnormal Power Supply Voltage
Remote
Controller
Display
A8
LED indications
The table below shows the LED indications.
Method of
Malfunction
Detection
Detect malfunction checking the input voltage of fan motor.
Malfunction
Decision
Conditions
When the input voltage of fan motor is 150V and below, or 386V and above.
Supposed
Causes
The possible causes are:
Power-supply voltage malfunction.
Connection defect on signal line.
Wiring defect.
Instantaneous blackout, others.
Troubleshooting
Operation
HAP (green)
HBP (green)
Normal
5
5
Malfunctioning
5
5
Check the condition of
the power source.
Check if power-supply
voltage is 220V - 240V
± 10%.
Check if there is power
open phase or faulty
wiring.
Check if power-supply
voltage side unbalance
is within 6V.
YES
There
are problems on
the condition of power
source described
above.
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Correct any fault.
NO
NO
YES
"
A8
"
Reoccurrence
of malfunction.
Check and correct each wiring.
It is possible to have external
factor, such as brownout and
instantaneous blackout.
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 ...