Sanyo 26KHHS72R Service Manual - Page 156
HIC-CH4872R, HIC-CH2672R, 30, 36 Type
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HIC-CH4872R (42 Type) 4. Service procedures HIC-CH2672R (26, 30, 36 Type) 1 Resistance Between terminals Resistance HIC + HIC - 200 kΩ or more 2 HIC + U 300 kΩ or more HIC + V 300 kΩ or more HIC + W 300 kΩ or more HIC - U 200 kΩ or more HIC - V 200 kΩ or more HIC - W 200 kΩ or more 3 (3) [Alarm "E31"] (communications trouble within unit) IGBT short-circuit protection 4 Is "E31" displayed even after No the power voltage is reset? Normal 5 Yes Replace outdoor unit control PCB. 6 IV-10 SM831148
4
IV-10
SM831148
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, 30, 36 Type)