Bosch ODU Split 6 - User Manual

Service guide
230 V 1 N~/400 V 3 N~
Split Outdoor unit
6 720 813 707-00.2I
ODU Split 2
ODU Split 4...8
ODU Split 11t...15t
ODU Split 11s...15s
6 720 817 722 (2015/06)

Summary

Split Outdoor Unit Error Handling

Error Code 21: DC PEAK (IPM Fault)

Details error 21 causes, checks, and troubleshooting steps for IPM faults.

Error Code 21 Diagnosis and Countermeasure Flow Chart

Provides a step-by-step flow chart for diagnosing and resolving error code 21.

Error Code 22: Input Over Current

Explains error 22 causes, checks, and troubleshooting for input over current issues.

Error Code 22 Diagnosis and Countermeasure Flow Chart

Provides a step-by-step flow chart for diagnosing and resolving error code 22.

Error Code 23: DC Link Voltage High;Low

Details error 23 causes, checks, and troubleshooting for DC link voltage issues.

Error Code 23 Diagnosis and Countermeasure Flow Chart

Provides a step-by-step flow chart for diagnosing and resolving error code 23.

Error Code 26: DC Compressor Positioning

Explains error 26 causes, checks, and troubleshooting for compressor positioning.

Error Code 26 Diagnosis and Countermeasure Flow Chart

Provides a step-by-step flow chart for diagnosing and resolving error code 26.

Error Code 27: DC Compressor Positioning

Details error 27 causes, checks, and troubleshooting for compressor positioning.

Error Code 27 Diagnosis and Countermeasure Flow Chart

Provides a step-by-step flow chart for diagnosing and resolving error code 27.

Error Code 29: Inverter Compressor Over Current

Explains error 29 causes, checks, and troubleshooting for inverter over current.

Error Code 29 Diagnosis and Countermeasure Flow Chart

Provides a step-by-step flow chart for diagnosing and resolving error code 29.

Error Code 32: Discharge Pipe High Temperature

Error Code 32 Diagnosis and Countermeasure Flow Chart

Error Code 35: Low Pressure Error

Error Code 35 Diagnosis and Countermeasure Flow Chart

Error Code 43: High Pressure Sensor Error

Error Code 43 Diagnosis and Countermeasure Flow Chart

Error Code 52: PCB Communication Error

Error Code 53: Communication PCB Error

Error Code 54: Phase Sequence Error

Error Code 60: EEPROM Check Sum Error

Error Code 61: Condenser Pipe Temperature

Error Code 61 Diagnosis and Countermeasure Flow Chart

Error Codes 62, 65: Heat Sink Temperature

Error Codes 62, 65 Diagnosis and Countermeasure Flow Chart

Error Code 67: Fan Lock Error

Error Code 67 Diagnosis and Countermeasure Flow Chart

Compressor Resistance Checks

Compressor Replacement Procedure

Electronic Expansion Valve (EEV)

Fan Motor Troubleshooting

INV PCB Replacement Procedure

Bosch ODU Split 6 Specifications

General

Brand	Bosch
Model	ODU Split 6
Category	Air Conditioner
Language	English