Carrier 40GVM Series User Manual

32
TROUBLESHOOTING CONTINUED
Malfunction Indicator
Note: ○ : off ● : on : blink
When several malfunctions occur at the same time, they will be displayed in circulation and every malfunction is
displayed for 5s.
NO Malfunction description LED1 LED2 LED3 LED4
0 Normal stop operation ○ ○ ○ ○
1 Normal compressor operation ● ○ ○ ○
2 Compressor overload protection ○ ○ ○
3 Discharge temperature protection ○ ● ○ ○
4 Outdoor unit overload protection ● ● ○ ○
5 High pressure protection ● ○ ○
6 Over current protection ○ ○ ○
7 IPM protection ● ○ ○
8 IPM over heating protection ○ ○
9 PFC protection (including PFC overheating protection) ○ ○ ● ○
10 Phase protection ● ○ ● ○
11 High voltage protection ○ ● ○
12 Low voltage protection ○ ● ● ○
13 Start failure ● ● ● ○
14 Compressor desynchronizing ● ● ○
15 Compressor phase-drop protection ○ ● ○
16 Compressor phase detection malfunction ● ● ○
17 Memory chip malfunction ● ○
18 DC power supply short circuit ○ ○ ○
19 Normal defrost operation ● ○ ○
20 Normal oil return operation ○ ○
21 Complete unit frequency reduction protection ○ ● ○
22 Complete unit frequency reduction protection ● ● ○
23 Unit A frequency restriction or frequency reduction protection ● ○
24 Unit B frequency restriction or frequency reduction protection ○ ○
25 Unit C frequency restriction or frequency reduction protection ● ○
26 Unit D frequency restriction or frequency reduction protection ○
27 Outdoor ambient temperature sensor malfunction ○ ○ ○ ●
28 Outdoor tube temperature sensor malfunction ● ○ ○ ●
29 Discharge temperature sensor malfunction ○ ○ ●
30 IPM thermal resistance malfunction ○ ● ○ ●
31 Unit A liquid pipe temperature sensor malfunction ● ● ○ ●
32 Unit A gas pipe temperature sensor malfunction ● ○ ●
33 Unit B liquid pipe temperature sensor malfunction ○ ○ ●
34 Unit B gas pipe temperature sensor malfunction ● ○ ●
35 Unit C liquid pipe temperature sensor malfunction ○ ●
36 Unit C gas pipe temperature sensor malfunction ○ ○ ● ●
37 Unit D liquid pipe temperature sensor malfunction ● ○ ● ●
38 Unit D gas pipe temperature sensor malfunction ○ ● ●
39 Unit A mode conflict ○ ● ● ●
40 Unit B mode conflict ● ● ● ●
41 Unit C mode conflict ● ● ●
42 Unit D mode conflict ○ ● ●

Carrier 40GVM Series Specifications

General

Brand	Carrier
Model	40GVM Series
Category	Air Conditioner
Language	English