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Bosch Manuals
Heater
Air Flux 4300A
Service instructions manual
Bosch Air Flux 4300A Service Instructions Manual
Vrf indoor units
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Explanation of Symbols and Safety Instructions
Explanation of Symbols
General Safety Instructions
Overview
Electricity
Main PCB Ports
AF2-4CC, AF2-4CR and AF2-4CS Series
AF2-1Cseries
AF2-DL, AF2-DM and AF2-DMS Series
AF2-DH 5.6-16Kw and AF2-DH 20-56Kw Series
AF2-W Series
AF2-F/FC Series
AF2-CF Series
Functions
Control
Control Modes
Display Panels
Appearance of Display Panels
Display Panel Output under Normal Operating Conditions
Diagnosis and Troubleshooting
Error Code Description
Operating Status Codes
Troubleshooting
Description
IPM (Fan Module) Over-Current Protection
Low Bus Voltage Fault
High Bus Voltage Fault
IPM (Fan Module) and Indoor Unit Unmatched
Motor Start-Up Failure
Motor Blocking Protection
Speed Control Mode Setting Error
Phase Lack Protection of Motor
Additional Information
Operate Normally
The Outdoor Unit of the same System Operates Normally
Appendix
Temperature Sensor Resistance Characteristics
Ambient Temperature and Standard Saturation Pressure (R410A)
Ambient Temperature and Standard Saturation Pressure (R32)
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Service instructions
VRF Indoor units
Air Flux 4300A | Air Flux 5301A
AF2-1C | AF2-4CC | AF2-4CR | AF2-4CS | AF2-DL | AF2-DM | AF2-DMS | AF2-DH | AF2-W | AF2-CF
| AF2-F/FC
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Table of Contents
Troubleshooting
Diagnosis and troubleshooting
27
Operating status codes
28
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This manual is also suitable for:
Air flux 5301a
Af2-1c
Af2-4cc
Af2-4cr
Af2-4cs
Af2-dl
...
Show all
Af2-dm
Af2-dms
Af2-dh
Af2-w
Af2-cf
Af2-f
Af2-fc
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