![background image](http://html1.mh-extra.com/html/daikin/fhq100buv1b-x-2/fhq100buv1b-x-2_service-manual_2459261189.webp)
Troubleshooting by Remote Controller Display / LED Display
SiBE28-804
178
Troubleshooting
5.18 “
E1
” Failure of Outdoor Unit PC Board
Remote
Controller
Display
E1
Method of
Malfunction
Detection
Microcomputer checks whether E
2
PROM is normal.
Malfunction
Decision
Conditions
E
2
PROM:
When E
2
PROM malfunctions when turning the power supply on
Supposed
Causes
Faulty outdoor unit PC board
Troubleshooting
Turn the power
supply off once and
then back on
NO
NO
YES
YES
Is normal reset possible?
Turn
the power
supply off and
disconnect the fan motor
connector from the PC board,
then turn the power supply
on again. Is "
E1
"
displayed?
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Problem could be caused by
external factor (noise, etc.)
other than malfunction.
Fan motor check
Replace the outdoor PC board.
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 ...