142
ENGLISH
Hint
Error
Code
Description
222 Overcooling inlet sensor error (overcooling inlet sensor of HR Unit6 open/short)
223 Overcooling outlet sensor error (overcooling outlet sensor of HR unit6 open/short)
224 Communication error (no outdoor unit signal for 3 min from HR unit6)
225 Fluid pipe sensor error (fluid pipe sensor of HR Unit7 open/short)
226 Overcooling inlet sensor error (overcooling inlet sensor of HR Unit7 open/short)
227 Overcooling outlet sensor error (overcooling outlet sensor of HR unit7 open/short)
228 Communication error (no outdoor unit signal for 3 min from HR unit7)
229 Fluid pipe sensor error (fluid pipe sensor of HR Unit8 open/short)
230 Overcooling inlet sensor error (overcooling inlet sensor of HR Unit 8 open/short)
231 Overcooling outlet sensor error (overcooling outlet sensor of HR unit8 open/short)
232 Communication error (no outdoor unit signal for 3 min from HR unit8)
233 Fluid pipe sensor error (fluid pipe sensor of HR Unit9 open/short)
234 Overcooling inlet sensor error (overcooling inlet sensor of HR Unit9 open/short)
235 Overcooling outlet sensor error (overcooling outlet sensor of HR unit9 open/short)
236 Communication error (no outdoor unit signal for 3 min from HR unit9)
Central Controller Errors
Error
Code
Description
240
Communication error (PC central controller ȧ I-GW)
242
Communication error (central controller ȧ indoor unit)
246 Data in time out error from central controller
247
Communication error (ACM Client ȧ ACM Server)
248
Communication error (ACP Client ȧ ACP Server)
250 Checksum error
251 Communication error (AC Smart to 128-room expansion kit)
Pre-Tech Support Checklist
If the product malfunctions, please check the following before calling the service center.
Symptom Check Actions
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