Sinclair SWC-04 User Manual

24
Table 4 Meaning of Each Error
Error
Code
Error
Error
Error
Code
F1 Drive board communication error P6
F2 Compressor overheating protection H3
Return air temperature sensor open/short
circuited
b5 Indoor and outdoor units unmatched LP
evaporator temperature sensor open/short
circuited
b7
dn
IPM temperature sensor open/short circuited P7
Indoor unit liquid valve temperature sensor
open/short circuited
E7
F3 FoPump-down
F4
Indoor gas valve temperature sensor open/
short circuited
Defrost or oil return
Outdoor unit condenser mid-tube temperature
sensor open/short circuited
Communication line misconnected or
expansion valve error
F5 Forced defrosting H1
Indoor and outdoor communication error E6 Compressor startup failure Lc
DC bus under-voltage protection PL High discharge temperature protection E4
DC bus over-voltage protection PH Overload protection E8
Outdoor ambient temperature sensor open/
short circuited
U1 Whole unit over-current protection E5
Compressor demagnetization protection HE Over phase current protection P5
PFC protection Hc Compressor desynchronizing H7
P8 IPM Current protection H5
Over-power protection L9
IPM Temperature Protection
Discharge temperature sensor open/short
circuited
Ld
F0
F8
Capacitor charging error PU
Compressor phase current sensing circuit
error
Frequency restricted/reduced with whole
unit current protection
Com p r e sso r p h a s e lo ss/ r e v e r s a l
protection
En
High pressure protection E1
System c h a r g e s h o r t a g e or b l o cka g e
protection
F9
Low pressure protection E3
Frequency restricted/reduced with IPM
current protection
FH
Compressor stalling LE
Frequency restricted/reduced with high
discharge temperature
F6
Over-speeding LF
dc U0
Frequency restricted/reduced with anti-
freezing protection
EU
Drive board temperature sensor error PF Indoor unit full water error E9
AC contactor protection P9 Anti-freezing protection E2
PETemperature drift protection AC input voltage abnormal PP
Sensor connection protection Pd Whole unit current sensing circuit error U5
DC bus voltage drop error U3 4-way valve reversing error U7
Outdoor fan 1 error protection L3 Motor stalling
Indoor fan tripping error
H6
Outdoor fan 2 error protection
Fr equen cy rest ricted/reduced with
overload protection
LA PG motor zero-crossing protection U8
Frequency restricted/reduced with IPM
temperature protection
compressor inhalation temperature sensor error
Wired Controller SWC-04

Sinclair SWC-04 Specifications

General

Brand	Sinclair
Model	SWC-04
Category	Controller
Language	English