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Table 5.1: Error code(continues)
Error
code
The wireless temperature sensor short-circuits or cuts
E32
off
The external room temperature sensor short-circuits
E33
or cuts off
Tcp (pre-cooled fresh air temperature sensor)
E61
short-circuits or cuts off
Tph (pre-heated fresh air temperature sensor)
E62
short-circuits or cuts off
TA (outlet air temperature sensor) short-circuits or
E81
EA1
Outlet air humidity sensor fault
EA3
Upper wet bulb sensor fault
EA4
Lower wet bulb sensor fault
T2A (heat exchanger inlet temperature sensor)
F01
short-circuits or cuts off
T2 (heat exchanger middle temperature sensor)
F11
short-circuits or cuts off
T2 (heat exchanger middle temperature sensor)
F12
overtemperature protection
T2B (heat exchanger outlet temperature sensor)
F21
short-circuits or cuts off
P71
P72
5.2 Operating Status Codes
Table 5.2:Operating Status Codes
Code
d0
Oil return or preheating operation
dC
Self-cleaning
dd
Mode conflict (V8 communication protocol adopted)
dF
Defrosting
d51
Static pressure detection
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Error
code
U11
Unit model code not set
U14
Horsepower code setting error
U15
AHU Kit fan control input signal DIP setting error
Code
d61
Remote shutdown
d71
IDU backup operation
d72
ODU backup operation
OTA
Main control program upgrading
d61
Remote shutdown
V8 VRF Indoor Units
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