Chapter 5
DIAGNOSTICS
The Fullmotion CF10C Inverter has two diagnostics methods, by visual light emis-
sion using a LED indication, or by serial communication protocol.
5.1 LED indication
The LED diagnostics function helps services technicians to diagnose possible fault
components by blinking a LED inside the box in dierent patterns. Basically, it in-
dicates if there is a problem with Compressor, CF10C Inverter or Thermostat. The
table below describes the failure modes.
LED Status
Period Color
Description
1 Flash 30 seconds Green Normal operation
2 Flashes 5 seconds Green Communication problem
3 Flashes 5 seconds Red Inverter problem
4 Flashes 5 seconds Orange Compressor problem
No Flash – –
No input power / Damaged
inverter
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