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Daikin VRV - WII Service Manual: Troubleshooting (op: Unified On/off Controller); Operation Lamp Blinks

Water cooled inverter series heat pump heat recovery-60hz.
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SiUS30-604

5. Troubleshooting (OP: Unified ON/OFF Controller)

5.1
Operation Lamp Blinks
Remote
Operation lamp blinks
Controller
Display
Applicable
All models of indoor units
Models
Unified ON/OFF controller
Method of
Detect the malfunction according to DIII-NET transmission data.
Malfunction
Detection
Malfunction
Decision
Conditions
Supposed
Causes
Troubleshooting
Malfunction of transmission between optional controller and indoor unit
Connector for setting master controller is disconnected
Defect of unified ON/OFF controller
Defect of indoor unit PC board
Malfunction of air conditioner
Troubleshooting (OP: Unified ON/OFF Controller)
243

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Table Of Contents

Troubleshooting

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  • Fadi Sayess Jul 13, 2016 07:30:
    How do you reset the U4 error on the BRC1C62 control unit?
    Than​ks.