F93/F99 INVERTER CHECKER
Purpose
To inspect Inverter Air-Cond operating condition.
Troubleshooting Guide - F90 / F93 / F99
Compressor Rotation Failure
Failure Root Cause (Primary Location/Parts To Verify)
1) Outdoor PCB
2) Compressor
1st Cheking Point:
Check the outdoor PCB
Outdoor PCB terminals U (R)-V(B), V-W(Y) & W-U having same AC Voltage (100 - 180Vac)
Or
DC Volatge - 160Vdc (U-N, V-N, W-N)
* Kindly refer to following after fixing the compressor wires to the Inverter Checker.
Indicator Light Blinking
1) If only less than 6 Inficator Light up - possible cause is PCB faulty.
2) If all 6 indicator light up - possible cause is compressor faulty.
Note
1) Applicable for 3ph DC Inverter Air-Cond.
2) Only for Single Outdoor Inverter and NOT for VRV System.
