Innova IGZDUP35V2NI-1 Owner's Manual page 58

Error code
Compressor dial code or
C8
jumper cap abnormal
Compressor driver memory
C9
chip failure
Wired controller
CE
temperature sensor error
Multi-main wired controller
CP
failure
Compressor suction
dc
temperature sensor error
Wired controller circuit
dH
board abnormal
AC sequence protection
dJ (phase loss or anti-phase
protection)
E0 Indoor fan error
Compressor high pressure
E1
protection
Indoor anti-freeze
E2
protection
Refrigerant lack protection
E3 or compressor low pressure
protection
Compressor air discharge
E4
high-temperature protection
ODU and IDU
E6
communication error
E7 Mode conflict
E9 Water-full protection
Memory chip reading and
EE
writing failure
EL Emergency stop (fire alarm)
Outdoor ambient
F3
temperature sensor error
Fo Recycling refrigerant mode
Error
54
Error
code
PH Bus high-voltage protection
PL Bus low-voltage protection
PP Input AC voltage error
PU Capacitor charging failure
DC indoor fan driver bus
q0
low-voltage protection
DC indoor fan driver bus
q1
high-voltage protection
DC indoor fan AC current
q2
protection
DC indoor fan driver IPM
q3
module protection
DC indoor fan driver PFC
q4
protection
q5 DC indoor fan startup failure
DC indoor fan Phase-loss
q6
protection
DC indoor fan driver reset
q7
protection
DC indoor fan over-current
q8
protection
q9 DC indoor fan power protection
DC indoor fan driver current
qA
detection circuit error
DC indoor fan out-of-step
qb
protection
Master control and DC indoor
qC
fan driver communication error
DC indoor fan driver module
qd
high temperature protection
DC indoor fan driver module
qE
temperature sensor error
Error