Panasonic 36PSU1U6 - Manual (Page 174)

4-10
4. Service procedures
HIC +
Between terminals Resistance
HIC +
HIC +
HIC +
HIC –
HIC –
HIC –
HIC –
U
V
W
U
V
W
Resistance
200 k Ω or more
300 k Ω or more
300 k Ω or more
300 k Ω or more
200 k Ω or more
200 k Ω or more
200 k Ω or more
No
Yes
Replace outdoor unit
control PCB.
(3) [Alarm “E31”]
(communications
trouble within unit)
IGBT short-circuit protection
Is “E31”
displayed even after
the power voltage
is reset?
Normal
HIC-CH4872R
(42 Type)
HIC-CH2672R
(26, 36 Type)
4
SM830203-01_PAC-i_US-letter.indb10 10 SM830203-01_PAC-i_US-letter.indb10 10 2012/01/26 10:32:04 2012/01/26 10:32:04