LG AC Smart Premium PQCSW421E0A - Page 148

140
ENGLISH
Hint
Error
Code
Description
121 SLAVE1 outdoor unit sensor (static speed compressor 1 discharge temperature error)
122 SLAVE1 outdoor unit sensor (static speed compressor 2 discharge temperature error)
123 SLAVE1 outdoor unit sensor (heat exchanger temperature sensor A error)
124 SLAVE1 outdoor unit sensor (heat exchanger temperature sensor B error)
125 SLAVE1 outdoor unit (fluid pipe temperature sensor error)
126 SLAVE1 outdoor unit (overcooling inlet temperature sensor error)
127 SLAVE1 outdoor unit (overcooling outlet temperature sensor error)
128 SLAVE2 outdoor unit sensor (high voltage sensor error)
129 SLAVE2 outdoor unit sensor (low voltage sensor error)
130 SLAVE2 outdoor unit sensor (air temperature sensor error)
131 SLAVE2 outdoor unit sensor (oil pipe temperature sensor error)
132 SLAVE2 outdoor unit sensor (suction temperature sensor error)
133 SLAVE2 outdoor unit sensor (static speed compressor 1 discharge temperature error)
134 SLAVE2 outdoor unit sensor (static speed compressor 2 discharge temperature error)
135 SLAVE2 outdoor unit sensor (heat exchanger temperature sensor A error)
136 SLAVE2 outdoor unit sensor (heat exchanger temperature sensor B error)
137 SLAVE2 outdoor unit (fluid pipe temperature sensor error)
138 SLAVE2 outdoor unit (overcooling inlet temperature sensor error)
139 SLAVE2 outdoor unit (overcooling outlet temperature sensor error)
140 Fluid pipe sensor error of heat recovery unit
141 Overcooling inlet sensor error of heat recovery unit
142 Overcooling outlet sensor error of heat recovery unit
143 Heat recovery unit communication error
144 Heat recovery unit reserve 1
145 Heat recovery unit reserve 2
146 Heat recovery unit reserve 3
147 Heat recovery unit reserve 4
148 Heat recovery unit reserve 5
176 SLAVE2 static speed 1 compressor over-current/under-current
177 SLAVE2 static speed 2 compressor over-current/under-current
178 SLAVE3 static speed 1 compressor over-current/under-current
179 SLAVE3 static speed 2 compressor over-current/under-current
180 Anti-Freeze (water-cooling)
181 Water temperature sensor error (water-cooling)