Technibel CAFP 124 R Technical Data & Service Manual page 120

HIC +
U
V
W
4
(3) [Alarm "E31"]
(communications
trouble within unit)
CR-HIC280A
(125 Type)
Between terminals
HIC +
HIC +
HIC +
HIC +
HIC –
HIC –
HIC –
IGBT short-circuit protection
Is "E31"
No
displayed even after
the power voltage
is reset?
Yes
Replace outdoor unit
control PCB.
HIC –
HIC +
U
V
W
Resistance
Resistance
200 kΩ or more
HIC –
300 kΩ or more
U
300 kΩ or more
V
300 kΩ or more
W
200 kΩ or more
U
200 kΩ or more
V
200 kΩ or more
W
4 - 10
CR-HIC80A
(71, 100 Type)
Normal
HIC–