INSTALLATION AND OWNER'S MANUAL
temperature
sensor failure
T6 inlet water
E08
temperature
sensor failure
T7 outlet water
E09
temperature
sensor failure
Controller and
Drive PCB
E10
Communicate
failure
E11
reserved
E12
reserved
E13
reserved
E14
reserved
DC main cable
E15
voltage extra
low
DC main cable
E16
voltage extra
high
AC current
E17
protection
(input side)
IPM module
E18
abnormity
PFC
E19
abnormity
Compressor
E20
start failure
Compressor
E21
lack-phase
IPM
E22
module
reset
Compressor
E23
over-current
deviation or
or if sensor cuts
cuts
Sensor temperature
Check sensor resistance value
deviation or
or if sensor cuts
cuts
Sensor temperature
deviation or
Check sensor resistance value
cuts
or if sensor cuts
Communication
Check communication cable if
cable cuts
cut
Re-connect cable or change IPM module
51
cable
Change sensor or re-connect
cable
Change sensor or re-connect
cable
Change connection cable or
re-connect
Wiring error
or
IPM module invalid
Check if wiring
error