Fujitsu ABHG18KRTA, Service Manual

Page: 465 / 471

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Failure indication of check-run judgment
The check run stops when there is an error, and the LED shows the relevant error indication. When
you encounter the errors described here, perform checking by using the cooling test run of the indoor
unit.
• Temperature out of range judgment
(2-blink)
blink
(High speed)
MONITOR
POWER
ERROR
/MODE
(GRN) (RED)
A B C D E F
• Wiring/piping number difference
MONITOR
POWER
ERROR
/MODE
(GRN) (RED)
A B C D E F
blink
(High speed)
blink
(High speed)
OR
(2-blink)
(2-blink)
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Redisplaying the results of check run
• When checking the content of automatic wiring correction, push the CHECK switch. The results of
the check run is displayed. You can compare the result that is recorded in step (4) of "Chapter
3-1-3.
"Operating procedure for check run" on page 05-57".
• If the automatic wiring correction is not completed, the POWER/MODE LED blinks twice and the
MONITOR LED turns off.
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Memory resetting of automatic wiring correction
CAUTION
When relocating the unit, reset the memory beforehand, or the unit may not function normally.
1. Push the CHECK switch.
The LED lights as shown in “ "Redisplaying the results of check run" on page 05-61”.
2. When the LED is on, press the CHECK switch for more than 3 seconds.
3. The LEDs from A to F light in sequence, and then all LEDs light to indicate the completion of
the memory resetting of automatic wiring correction.
4. Disconnect the power supply or turn off the breaker.
3-1. Check run
- (05-61) -
3. Check and test
FIELD WORKING FIELD WORKING