Panasonic WH-SXC09F9E8 - Page 113

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113

16.5.12 Indoor-Control Panel Communication Abnormality (H76)

Malfunction Decision Conditions:

During standby and operation of cooling and heating, indoor-control panel error occur.

Malfunction Caused:

1 Faulty connector connection.

2 Faulty control panel.

3 Faulty indoor unit PCB (main).

Main Page

Default Chapter2
- Table of Contents2
1 Safety Precautions3
2 Specifications5
- Wh-Sxc09F3E8 Wh-Ux09Fe85
- Wh-Sxc09F9E8 Wh-Ux09Fe88
- Wh-Sxc12F9E8 Wh-Ux12Fe811
3 Features14
4 Location of Controls and Components15
- Indoor Unit15
  - Holiday Mode20
  - Weekly Timer Setting21
- Outdoor Unit23
5 Dimensions24
- Indoor Unit24
- Outdoor Unit25
6 Refrigeration and Water Cycle Diagram26
7 Block Diagram28
- Wh-Sxc09F3E8 Wh-Ux09Fe828
- Wh-Sxc09F9E8 Wh-Ux09Fe8 Wh-Sxc12F9E8 Wh-Ux12Fe829
8 Wiring Connection Diagram30
- Indoor Unit30
- Outdoor Unit32
9 Electronic Circuit Diagram33
- Indoor Unit33
- Outdoor Unit35
10 Printed Circuit Board36
- Indoor Unit36
- Outdoor Unit38
11 Installation Instruction40
- Select the Best Location40
- Indoor/Outdoor Unit Installation Diagram40
- Indoor Unit41
- Connect the Cable to the Indoor Unit43
- Outdoor Unit46
  - Connect the Cable to the Outdoor Unit48
  - Pipe Insulation48
12 Operation and Control50
- Basic Function50
  - Cooling Operation52
  - Thermostat Control52
- Water Pump71
- Pump down Operation [Service Mode: 01]73
- Flow Switch73
- Indoor Unit Safety74
- Auto Restart Control74
- Indication Panel74
- Indoor Back-Up Heater Control75
- Tank Booster Heater Control76
- Base Pan Heater Control (Optional)76
- Sterilization Mode77
- Quiet Operation77
- Anti Freeze Control78
- Solar Operation (Optional)79
- External Room Thermostat Control (Optional)83
- Three Ways Valve Control84
- Two Ways Valve Control84
- External OFF/ON Control85
- Holiday Mode86
- Dry Concrete Function86
13 Protection Control87
- Protection Control for All Operations87
- Protection Control for Heating Operation89
- Protection Control for Cooling Operation91
14 Servicing Guide92
- How to Take out Front Plate92
- How to Take out Side Cabinet92
- Test Run92
- Proper Pump down Procedure [SERVICE MODE: 01]92
- How to Adjust Water Flow Rate [SERVICE MODE: 02]93
- Expansion Vessel Pre Pressure Checking93
- How to Unlock Cool Mode93
- Dry Concrete [SERVICE MODE: 03]94
- EEPROM Factory Default Data Setup Procedure94
15 Maintenance Guide95
16 Troubleshooting Guide97
- Refrigeration Cycle System97
- Relationship between the Condition of the Air-To-Water Heatpump Indoor and Outdoor Units and Pressure and Electric Current98
- Breakdown Self Diagnosis Function99
- Error Codes Table100
- Self-Diagnosis Method102
17 Disassembly and Assembly Instructions139
- To Remove Front Plate139
- To Remove Cabinet139
- To Remove Pressure Gauge140
- To Remove Control Panel140
- To Remove RCCB141
- To Remove Transformer and Electronic Controller Board142
- To Remove Pressure Relief Valve, Flow Switch and Air Purge Valve142
- To Remove Water Pump and Bottle Complete143
18 Technical Data145
- Operation Characteristics145
- Heating Capacity Table153
- Cooling Capacity Table153
19 Exploded View and Replacement Parts List154
- Indoor Unit154
- Outdoor Unit157

Panasonic WH-SXC09F9E8 - Page 113

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