Hitachi UTOPIA RAS-4HVRP2E Service Manual page 324

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10 Troubleshooting
Checking procedure for main parts
Printed Circuit Board for Fan Control: PCB3
LED1
Part name
PCB1 power indication
LED1 (Red)
Normal condition: Activated / ON.
322
SMGB0136 rev.0 - 07/2021
Contents of functions
Abnormal condition: Deactivated / OFF.

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