Troubleshooting
17
0RGHFRQÀLFW
0RGHFRQÀLFW
Shown
as Table
16
Flash 7
times
E7
E7
Overload
protection
Overload
protection
E8
Flash 3
times
Flash 3
times
Flash 3
times
oE
oE
Anti cold blow
protection
E9
Indoor unit water
RYHUÀRZHUURU
Flash
Flash
E9
E9
7ULDOUXQWULDO
operation
7ULDOUXQWULDO
operation
dd
Quick
ÀDVK
Quick
ÀDVK
Quick
ÀDVK
dd
dd
Refrigerant
recovery mode
Refrigerant
recovery mode
Fo
Quick
ÀDVK
Quick
ÀDVK
Fo
Fo
Drive module
resetting
(
for the
commercial unit)
IPM Drive
module resetting
P0
Flash 3
times
Flash 3
times
Flash 3
times
oE
oE
0LQFRROLQJ
heating
(capability
test code)
Cooling
IPLV test
P0
Quick
ÀDVK
P0
P0
Cooling
IPLV test
Quick
ÀDVK
P0
0LG&RROLQJ
heating
(capability
test code)
Cooling level AA
performance test
P3
Quick
ÀDVK
P3
P3
Level AA cooling
performance test
Quick
ÀDVK
P3
Phase over-
current
protection
Compressor
over-current
protection
P5
Flash 3
times
Flash 3
times
Flash 3
times
oE
oE
Drive board
communication
error(for the
commercial unit)
Communication
error between
the inverter
driver to the
main controller
P6
Flash 3
times
Flash 3
times
Flash 3
times
oE
oE
6KRUWRSHQ
circuit of the
of the module
temperature
sensor
6KRUWRSHQ
circuit of the
of the module
temperature
sensor
P7
Flash 3
times
Flash 3
times
Flash 3
times
oE
oE
Module
temperature
protection
Module
temperature
protection
P8
Flash 3
times
Flash 3
times
Flash 3
times
oE
oE
AC contact
protection (for
the commercial
unit)
AC contact
protection
P9
Flash 3
times
Flash 3
times
Flash 3
times
oE
oE
Circuit sensor
error
Circuit sensor
error
Pc
Flash 3
times
Flash 3
times
Flash 3
times
oE
oE
Transducer
connection
protection (for
the commercial
unit)
Transducer
connection
protection
Pd
Flash 3
times
Flash 3
times
Flash 3
times
oE
oE
AC current
protection(input
side)
AC current
protection(input
side)
PA
Flash 3
times
Flash 3
times
Flash 3
times
oE
oE
Temperature
drift protection
(for the
commercial unit)
Temperature
drift protection
PE
Flash 3
times
Flash 3
times
Flash 3
times
oE
oE
