F96 - Vogelsang Klimatechnik: Zukunftsweisende Gewerbekälte & Klimasysteme

F96

Malfunction Decision Conditions

During operating of cooling and heating, when IPM temperature data (100°C) is detected by the IPM temperature sensor.
Multi Models only
- Compressor Overheating: During operation of cooling and heating, when the compressor OL is activated.
- Heat Sink Overheating: During operation of cooling and heating, when heat sink temperature data (90°C) is detected by the heat sink temperature sensor.

Malfunction Caused

IPM overheats due to short circuit of hot discharge air flow.
IPM overheats due to defective of outdoor fan motor.
IPM overheats due to defective of internal circuitry of IPM.
IPM overheats due to defective IPM temperature sensor.

Multi Models Only

Compressor OL connector poor contact.
Compressor OL faulty.

Troubleshooting

When F96 indication happens

⚠

Caution For safety reason and to prevent component breakdown, always switch off the power before remove and connect the component.

↓

Check the outdoor unit installation condition (during cooling or soft-dry operation)

↓

Is there any improper heat radiation?

YES
→

Reinstall the outdoor unit
Remove the obstacle(s)
Clean the outdoor heat exchanger

NO

↓

Is outdoor fan motor operating?

NO
→

Replace the outdoor fan motor.

YES
↓

YES

►

Defect in IPM
Replace the outdoor unit PCB