Troubleshooting by Remote Controller Display / LED Display
SiBE28-804
184
Troubleshooting
Troubleshooting
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
YES
NO
NO
YES
Is the
UVWN wiring
normal?
NO
YES
Is the
stop valve
open?
YES
NO
NO
Is high
pressure higher
than 2.6 MPa
at starting?
YES
NO
Check
and see
whether compressor is
short-circuited or
ground.
YES
Are
inverter output
voltages the same for
3 phases?
Does low or
high pressure vary
even instantaneously
when restarting
compressor?
Check the installation
conditions.
Open the stop valve.
Connect correctly.
Remedy the cause.
Replace the compressor.
Replace the inverter PC board.
Replace the compressor.
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 ...