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User manual
Hydrobox module AQMS80X1i
EN
PART 1. OWNER’S MANUAL
Nr Cause
Ordinary
mode
Engineering
mode
Error code
21
High/Low voltage protection
Yes
Yes
PC01
22
Compressor top overheating protec
Yes
Yes
PC02
23
Compressor drive error
Yes
Yes
PC04
24
TW1 high temperature protection
No
Yes
PC61
25
Outdoor current protection
No
Yes
PC08
26
Compressor low-pressure protection
Yes
Yes
PC03
27
One drag multiple warm and cold mode conflict
Yes
Yes
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