15
TROUBLESHOOTING (CONTINUED)
ErrorCodeTable
Error
Code
Error Description
Error
Code
Error Description
Error
Code
Error Description
13
Unit A indoor pipe outlet temperature
sensor malfunction
23
Unit B indoor pipe outlet temperature
sensor malfunction
33
Unit C indoor unit pipe outlet
temperature sensor malfunction
14
Unit A indoor pipe inlet temperature
sensor malfunction
24
Unit B indoor pipe inlet temperature
sensor malfunction
34
Unit C indoor unit pipe inlet
temperature sensor malfunction
15
Unit A Indoor return air sensor mal-
function
25
Unit B Indoor return air sensor
malfunction
35
Unit C Indoor unit return air sensor
malfunction
16 Unit A mode conflict 26 Unit B mode conflict 36 Unit C mode conflict
17 Unit A freeze protection 27 Unit B freeze protection 37 Unit C freeze protection
41 Unit D communication error 46 Unit D mode conflict 54
Unit E indoor pipe inlet temperature
sensor malfunction
42
Indoor return air temperature sensor
malfunction
47 Unit D freeze protection 55
Unit E Indoor return air temperature
sensor malfunction
43
Unit D indoor pipe outlet temperature
sensor malfunction
51 Unit E communication error 56 Unit E mode conflict
44
Unit D indoor pipe inlet temperature
sensor malfunction
52
Unit E indoor pipe midway
temperature sensor malfunction
57 Unit E freeze protection
45
Unit D Indoor return air temperature
sensor malfunction
53
Unit E indoor pipe outlet temperature
sensor malfunction
C5
Jumper missing on replacement
indoor board
38/40GVM