Sinclair ASC-18A - Page 132

DC INVERTER U-MATCH AIR CONDITION MAINTENANCE
◆Sensor connection protection
E5 displayed
on wired
controller
Monitor displa
y
Mainboard indicato
r
Driver board indicato
r
Sensor
connection
p
rotection
Blink Bright
Bright Blink
Blink Bright
Bright Bright
Blink
If the compressor cable
U, V and W is
connected correctly?
If the U-phase compressor
cable is inserted through
U-phase current sensor
and if the V-phase
compressor cable is
inserted through V-phase
current sensor
If the compressor
winding is short
circuited, or open
circuited to ground
If IPM module is damaged
Replace the driver
board
Replace relevant
components
Record and feed
back
Yes
No
Yes
Yes
Yes
No
No
No