E4/E5/F1/F2/F3; And Solution) - Kaisai FLY INVERTER Series Service Manual

5.6 E4/E5/F1/F2/F3 (Open circuit or short circuit of temperature sensor diagnosis and
solution)
Description: If the sampling voltage is lower than 0.06V or higher than 4.94V, the LED will display the failure.
Recommended parts to prepare:
• Wiring mistake
• Faulty sensor
• Faulty PCB
Troubleshooting and repair:
Check the connection between
temperature sensor and PCB.
Replace indoor or outdoor PCB
Page 78
Is it properly wired?
YES
of the sensor.
Is it within acceptable
parameters?
YES
NO Ensure proper connections.
NO Replace the Sensor.