Sinclair ASGE-18AI - Page 130

DC INVERTER U-MATCH AIR CONDITION MAINTENANCE
124
DC B◆ usbar Overvoltage Protection, or DC Busbar Undervoltage Protection
E5 displayed
on wired
controller
Monitor displa
y
Mainboard indicato
r
Driver board indicato
r
DC Busbar Overvoltage
Protection, or DC Busbar
Undervoltage Protection
Bright Bright Bright
Bright blink Bright or
Bright blink blink
Brigh blink Brigh
Blink Dark
Blink
If the input powe
r
voltage is within
320V-457V?
If the voltage of power grid is
too high, please immediatel
y
cut off the power; otherwise
the unit will be damaged.
Fault displayed once
energized
If the filter is damaged
If the rectifier is dama
g
ed
If the AC contactor is
clogged
If the filter is damaged
If the cement resistor is
short circuited
If the ca
p
acitor is failed
If the drive and module
are correctly connected
Replace relevant elements
or reconnect the cable
Replace the drive
Replace relevant elements
Record and feed
back
Yes
No
No
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Display upon startup
of compressor