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Troubleshooting Based on Equipment Condition
SiBE28-804
130
Troubleshooting
Troubleshooting
Does the fan rotate?
Is the filter soiled?
Is the
operation lamp
of indoor unit photo-
sensing section
flashing?
Possible causes as follows:
∗
Refrigerant overcharge
∗
Mixing of air in refrigerant
system
∗
Faulty pressure switch
Is there
any item disturbing
airflow?
Is the heat
exchanger soiled?
Is the operation
lamp of remote controller
flashing?
Is the
type of remote controller
wired or wireless?
NO
NO
YES
NO
YES
YES
YES
YES
Wireless
YES
Heating: Indoor unit
Cooling: Outdoor unit
wired
[
]
(S1992)
NO
NO
Diagnose based on the
error code on remote
controller
Malfunction of fan motor
Check the magnetic
switch and aux. switch
for fan motor
Cleaning
Remove the disturbing
Cleaning of the heat
exchanger
After vacuum drying,
charge correct amount
of refrigerant
Check the pressure
switch.
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
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 ...