Trane A5HL5024A1000A - Page 23

A5HL5-SF-1A-EN
23
Table 9. Error Codes List (continued)
Code
Reason
Remark
H3
High pressure sensor failure
1. High pressure sensor damage.
2. High pressure sensor connection is loose.
3. ODU main PCB damage.
H4 Low pressure sensor failure
1. Low pressure sensor damage.
2. Low pressure sensor connection is loose.
3. ODU main PCB damage.
AAlleerrtt CCooddeess