HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
VRL Merchandisers
PN_3155541_C 45
3. Remove motor screws.
4. Disconnect inverter harness and ground.
5. Take off the inverter screws.
6. Replace inverter with the new one.
7. Reverse the process, and make sure screws
are hand-tight and everything is working
properly.
INVERTER BOARD DIAGNOSTICS
Diagnostics:
The Fullmotion CF10B Inverter has two
diagnostics methods, by visual light emission
using a LED indication, or by serial
communication protocol.
LED indication:
The LED diagnostics function helps service
technicians to diagnose possible fault
components by blinking a LED inside the box
in different patterns. Basically, it indicates if
there is a problem with compressor CF10B
Inverter or Thermostat. The table below
describes the failure modes:
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