Repair procedures: Specification
POWER MOSFET SPECIFICATIONS CHART
| Fan | Motor Voltage |
|---|---|
| Manual | |
| First speed | 4.0 ±0.5V |
| Second speed | 5.12 ±0.5V |
| Third speed | 6.24 ±0.5V |
| Fourth speed | 7.36 ±0.5V |
| Fifth speed | 8.48 ±0.5V |
| Sixth speed | 9.6 ±0.5V |
| Seventh speed | 10.72 ±0.5V |
| eighth speed | Battery |
*AUTO COOLING: Auto speed (4.5V~B+)
*AUTO HEATING: Auto speed (4.5V~10.5V)
- 4. If the measured voltage is not specification, substitute with a known-good power mosfet and check for proper operation.
- 5. If the problem is corrected, replace the power mosfet.