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Braemar Error Codes & Troubleshooting
Braemar Error Codes & Troubleshooting
Braemar specializes in evaporative cooling systems designed for Australian climate conditions.
Error Code: b5
Indoor unit liquid valve temperature sensor open/short circuit
Troubleshooting Steps:
Check liquid valve temperature sensor connections and wiring. Replace sensor if faulty.
Error Code: b7
Indoor unit liquid valve temperature sensor open/short circuit
Troubleshooting Steps:
Inspect liquid valve temperature sensor for open or short circuit. Professional diagnosis required.
Error Code: F1
Return air temperature sensor open/short circuit
Troubleshooting Steps:
Check return air temperature sensor wiring and connections. Replace if damaged.
Error Code: F2
Evaporator temperature sensor open/short circuit
Troubleshooting Steps:
Inspect evaporator temperature sensor for proper operation and connections.
Error Code: F3
Outdoor ambient temperature sensor open/short circuit
Troubleshooting Steps:
Check outdoor ambient temperature sensor wiring. Replace if faulty.
Error Code: F4
Outdoor mid-tube temperature sensor open/short circuit
Troubleshooting Steps:
Inspect outdoor mid-tube temperature sensor connections and operation.
Error Code: F5
Discharge temperature sensor open/short circuit
Troubleshooting Steps:
Check compressor discharge temperature sensor for proper operation.
Error Code: P7
IPM temperature sensor open/short circuit
Troubleshooting Steps:
Inspect IPM temperature sensor wiring and connections. Professional replacement required.
Error Code: Pd
Sensor connection protection
Troubleshooting Steps:
Multiple sensor connection issue detected. Check all sensor connections and wiring.
Error Code: PE
Temperature drift protection
Troubleshooting Steps:
Temperature sensor drift detected. Calibration or replacement may be required.
Error Code: PF
Drive board temperature sensor error
Troubleshooting Steps:
Drive board temperature sensor malfunction. Professional diagnosis and repair required.
Error Code: dn
Communication line misconnected/expansion valve error
Troubleshooting Steps:
Check communication cables between units and expansion valve operation.
Error Code: E6
Communication error
Troubleshooting Steps:
Communication fault between indoor and outdoor units. Check connecting cables.
Error Code: E7
Running mode conflict
Troubleshooting Steps:
System mode conflict detected. Check unit settings and operation mode.
Error Code: P6
Drive board communication error
Troubleshooting Steps:
Communication error with drive board. Professional diagnosis required.
Error Code: LP
Indoor & outdoor units unmatched
Troubleshooting Steps:
Unit configuration mismatch. Check system compatibility and settings.
Error Code: E1
Compressor high-pressure protection
Troubleshooting Steps:
High pressure protection activated. Check refrigerant levels and airflow restrictions.
Error Code: E3
Compressor low-pressure protection
Troubleshooting Steps:
Low pressure protection activated. Check for refrigerant leaks or undercharge.
Error Code: E4
Compressor high discharge temperature protection
Troubleshooting Steps:
Compressor discharge temperature too high. Check refrigerant charge and system operation.
Error Code: H3
Compressor overheating protection
Troubleshooting Steps:
Compressor overheating detected. Check cooling and ventilation around unit.
Error Code: H5
IPM current protection
Troubleshooting Steps:
IPM overcurrent protection activated. Professional diagnosis required.
Error Code: H6
Motor stalling
Troubleshooting Steps:
Compressor motor stalling detected. Immediate professional attention required.
Error Code: H7
Compressor desynchronising protection
Troubleshooting Steps:
Compressor synchronization error. Professional diagnosis and repair required.
Error Code: HE
Compressor demagnetization protection
Troubleshooting Steps:
Compressor demagnetization detected. Professional replacement may be required.
Error Code: Lc
Compressor startup failure
Troubleshooting Steps:
Compressor failed to start. Check power supply and compressor operation.
Error Code: Ld
Compressor phase loss/reversal protection
Troubleshooting Steps:
Phase loss or reversal detected. Check electrical connections and phase sequence.
Error Code: LE
Compressor stalling
Troubleshooting Steps:
Compressor stalling protection activated. Professional diagnosis required.
Error Code: E2
Indoor anti-freeze protection
Troubleshooting Steps:
Anti-freeze protection activated. Check airflow, filters, and refrigerant levels.
Error Code: E5
Whole unit over-current protection
Troubleshooting Steps:
System overcurrent protection activated. Check electrical connections and components.
Error Code: E8
Overload protection
Troubleshooting Steps:
System overload protection activated. Check electrical supply and component operation.
Error Code: E9
Indoor unit full water protection
Troubleshooting Steps:
Water overflow protection activated. Check drainage system and water removal.
Error Code: H1
Forced defrosting
Troubleshooting Steps:
System in forced defrost mode. Normal operation during cold weather conditions.
Error Code: Fo
Pump-down
Troubleshooting Steps:
System in pump-down mode. Normal operation during shutdown sequence.
Error Code: En
Frequency restricted/reduced with IPM current protection
Troubleshooting Steps:
Operating frequency reduced due to IPM current protection. Check system load.
Error Code: EU
Frequency restricted/reduced with IPM temperature protection
Troubleshooting Steps:
Operating frequency reduced due to IPM temperature protection. Check cooling.
Error Code: FH
Frequency restricted/reduced anti-freezing protection
Troubleshooting Steps:
Operating frequency reduced for anti-freeze protection. Check airflow.
Error Code: F6
Frequency restricted/reduced with overload protection
Troubleshooting Steps:
Operating frequency reduced due to overload protection. Check system load.
Error Code: F8
Frequency restricted/reduced with whole unit current protection
Troubleshooting Steps:
Frequency reduced due to current protection. Check electrical connections.
Error Code: F9
Frequency restricted/reduced with high discharge temperature
Troubleshooting Steps:
Frequency reduced due to high discharge temperature. Check refrigerant charge.
Error Code: LF
Over-speeding
Troubleshooting Steps:
Motor over-speeding detected. Check motor control and electrical supply.
Error Code: Hc
Pfc protection
Troubleshooting Steps:
Power factor correction protection activated. Check electrical supply and connections.
Error Code: PH
DC Bus over-voltage protection
Troubleshooting Steps:
DC bus overvoltage detected. Check power supply voltage and electrical connections.
Error Code: PL
DC Bus under-voltage protection
Troubleshooting Steps:
DC bus undervoltage detected. Check power supply and electrical connections.
Error Code: PP
AC input voltage abnormal
Troubleshooting Steps:
AC input voltage outside normal range. Check electrical supply voltage.
Error Code: PU
Capacitor charging error
Troubleshooting Steps:
Capacitor charging fault detected. Professional electrical diagnosis required.
Error Code: P5
Over phase current protection
Troubleshooting Steps:
Phase current exceeds safe limits. Check electrical connections and load.
Error Code: F0
System charge shortage/blockage protection
Troubleshooting Steps:
Refrigerant shortage or system blockage detected. Check for leaks and restrictions.
Error Code: LA
Outdoor fan 1 error protection
Troubleshooting Steps:
Outdoor fan motor error detected. Check fan operation and remove obstructions.
Error Code: L3
Outdoor fan 1 error protection
Troubleshooting Steps:
Outdoor fan motor malfunction. Check motor operation and electrical connections.
Error Code: L9
Over-power protection
Troubleshooting Steps:
System over-power protection activated. Check electrical supply and system load.
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