Sinclair SDV 6 Service Manual page 57

Table 7.1: Error code(continues)
Error
code
The built-in room temperature sensor of the wired
E31
controller short-circuits or cuts off
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
cuts off
EA1 Outlet air humidity sensor fault
EA2 Return air humidity sensor fault
EA3 Upper wet bulb sensor fault
EA4 Lower wet bulb sensor fault
EC1 R32 refrigerant leakage sensor fault
T2A (heat exchanger liquid pipe 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) over
F12
temperature protection
T2B (heat exchanger gas pipe temperature sensor)
F21
short-circuits or cuts off
P71 Main control board EEPROM fault
P72 IDU display control board EEPROM fault
P31/P34 Fan drive board AC side overcurrent protection
P52 The voltage of the power supply is too low
7.2 Operating Status Codes
Table 7.2:Operating Status Codes
Code
d0 Oil return or preheating operation
dC Self-cleaning
dd Mode conflict
dF Defrosting
d51 Static pressure detection
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Error
code
U01 Locked (electronic lock)
U11 Unit model code not set
U12 Capacity(HP) code not set
U14 Capacity(HP) code setting error
U15 AHU Kit fan control input signal DIP setting error
Mismatch between indoor unit model and outdoor unit
U26
model
U38 Address code not detected
J01 Motor failed more than once
J1E IPM (fan module) overcurrent protection
J11 Instantaneous overcurrent protection for phase current
J3E Low bus voltage fault
J31 High bus voltage fault
J43 Phase current sample bias error
J45 Motor and IDU are unmatched
J47 IPM and IDU are unmatched
J5E Motor startup failure
J52 Motor blocking protection
J55 Speed control mode setting error
J6E Phase lack protection of motor
Code
d61 Remote shutdown
d71 IDU backup operation
d72 ODU backup operation
OTA Main control program upgrading
dH Hot water mode(Specific series)
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