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Hitachi Utopia RPI-2.5HRG User Manual

Hitachi Utopia RPI-2.5HRG
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1-62
TROUBLESHOOTING
1.2.6 Function of LEDs
(1) Printed Circuit Board in Indoor Unit
( * Following figure shows a separated-board type PCB.)
LED Functions on Indoor Unit Printed Circuit Board for Control
LED Functions on Indoor Unit Printed Circuit Boards for Power Supply (PCB2 for RCI Series only)
Part Name Contents of Functions Remarks
1 LED1 This LED1 indicates the transmission state between
(Red) the indoor unit and remote control switch.
Normal Condition: Flickering
Abnormal Condition: Activated or Deactivated
2 LED3 This LED3 indicates the transmission state between
(Yellow) the indoor unit and outdoor unit.
Normal Condition: Flickering One Time/Some Seconds
Abnormal Condition: Activated or Deactivated more
than 30 seconds or Flickering
(30 times/1 second)
3 LED4 This LED4 indicates the power supply (5V) for
(Red) micro-computer.
Normal Condition: Activated
Abnormal Condition: Deactivated
-
-
-
Part Name Contents of Functions Remarks
This indicates the voltage between terminals of capacity
C1 on the PCB for DC fan motor.
Activated: The voltage between both terminals
of capacity, C is 50
+20V or greater.
Deactivated: The voltage between both terminals
of capacity, C is 50
+20V or smaller.
LED1
(Red)
-
RPI, RCD and RPC Series
LED3
LED1
LED4
LED3
LED1
LED4
PCB1
LED1
PCB2
RCI Series

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Hitachi Utopia RPI-2.5HRG Specifications

General IconGeneral
BrandHitachi
ModelUtopia RPI-2.5HRG
CategoryAir Conditioner
LanguageEnglish

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