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4-46
4
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Causes and corrections in instances when automatic address setting cannot be started.
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Causes and corrections in instances when automatic address setting starts, but cannot be completed successfully.
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If alarm E15, E16, or E20 appears after automatic address setting is started, check the following items.
The power LED on the outdoor unit control PCB does not turn ON.
Trouble
Trouble
Cause and correction
Cause and correction
LED 1 and 2 on the outdoor unit control PCB do not turn OFF when
the outdoor unit power is turned ON, and automatic address setting
cannot be started.
Check for any errors in the power wiring to
the outdoor unit, and check for a missing
phase.
Check the "Alarm Displays" table and
correct the problem.
Check that the remote controller wiring
and the inter-unit control wiring are
connected correctly.
Check that the indoor unit power is ON.
An alarm appears on the remote controller sometime from several
seconds to several minutes after automatic address setting is started.
LED 1 and 2 on the outdoor unit control PCB indicate that automatic
address setting is in progress (the LEDs blink alternately) for several
minutes after automatic address setting is started (the compressors
may also start and stop several times), however LED 1 and 2 never
indicate that automatic address setting is completed (turn OFF).
Check the "Alarm Displays" table and
correct the problem.
Check the alarm details on the "Outdoor
Unit Control PCB LED 1 and 2 Alarms"
table, then check the "Alarm Displays"
table and correct the problem.
E15
E16
E20
The total capacity of indoor units is too lower than that of outdoor unit.
The total capacity of indoor units is too higher than that of outdoor unit.
The outdoor unit received no serial signals from indoor units within 90 seconds after automatic
address setting was started.
4-15. Self-Diagnostics Function Table
Alarm description
Alarm display
An alarm appears immediately when automatic address setting is
started from the remote controller.
Nothing happens when the operator attempts to start automatic
address setting from the remote controller.
SM830211-07̲PAC-i.indb 46
SM830211-07̲PAC-i.indb 46
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2013/08/06 21:56:45
Summary of Contents for U-100PEY1E5
Page 536: ... MEMO 1 526 ...
Page 540: ... MEMO 2 4 ...
Page 549: ...3 9 3 3 1 Indoor Units Ducted Type S 36PN1E5 S 45PN1E5 S 50PN1E5 Electric Wiring Diagram ...
Page 551: ...3 11 3 3 2 Outdoor Units Single phase U 50PE1E5 ...
Page 552: ...3 12 3 3 2 Outdoor Units Single phase U 50PE1E5 ...
Page 553: ...3 13 3 3 2 Outdoor Units Single phase U 60PE1E5 U 71PE1E5 䡵 ...
Page 554: ...3 14 3 3 2 Outdoor Units Single phase U 100PE1E5 U 125PE1E5 U 140PE1E5 䡵 ...
Page 555: ...3 15 3 3 2 Outdoor Units Single phase U 60PEY1E5 U 71PEY1E5 ...
Page 556: ...3 16 3 3 2 Outdoor Units Single phase U 60PEY1E5 U 71PEY1E5 ...
Page 558: ...3 18 3 3 2 Outdoor Units 3 phase U 71PE1E8 ...
Page 559: ...3 19 3 3 2 Outdoor Units 3 phase U 100PEY1E8 U 125PEY1E8 ...
Page 560: ...3 20 3 3 2 Outdoor Units 3 phase U 100PE1E8 U 125PE1E8 U 140PE1E8 U 140PEY1E8 ...
Page 594: ...4 34 4 HIC PCB A746895 U 60PE1E5 U 71PE1E5 CN VDC U P V W N CN VDC 4WAY Valve CN 20S ...
Page 595: ...4 35 4 HIC PCB continued A746846 U 100PE1E5 CN VDC U V W CN VDC 4WAY Valve CN 20S P NU ...
Page 597: ...4 37 4 HIC PCB A746846 U 100PEY1E5 CN VDC U V W CN VDC 4WAY Valve CN 20S P NU ...
Page 598: ...4 38 4 HIC PCB continued A746847 U 125PEY1E5 CN VDC U V W CN VDC 4WAY Valve CN 20S P NU ...
Page 602: ...4 42 4 HIC PCB A747248 U 100PEY1E8 U 125PEY1E8 CN VDC U V W CN VDC 4WAY Valve CN 20S P NU ...
Page 738: ... MEMO 8 34 ...
Page 739: ...201309 ...