35
9.2.2 - Drive alarms
Drive alarms or alerts for VLT drive failure are displayed
based on the following formula: 16000+X*1000+YYY for
alarms and 34000+X*1000+YYY for alerts. X stands for
the number of the circuit and YYY is the alarm/alert code.
For example, alarm codes for “VLT Fan Drive Failure” are
as follows: 17YYY (circuit A) and 18YYY (circuit B).
Drive alarms for pump drive failure are displayed based on
the following formula: 19000+YYY. YYY is the alarm
code.
The tables below present the most common alarms
associated with the variator malfunction. Please refer to
the applicable Schneider documentation for more
information on other alarms.
Code Alarm/Alert Description
Action to be taken
1 Alarm
Over-current during acceleration Contact Carrier Service
2 Alarm
Over-current during deceleration Contact Carrier Service
3 Alarm
Over-current during constant speed operation Contact Carrier Service
4 Alarm
Over-current in load at start-up Contact Carrier Service
5 Alarm
Short circuit in arm Contact Carrier Service
8 Alarm
Input phase failure Contact Carrier Service
9 Alarm
Output phase failure Contact Carrier Service
10 Alarm
Overvoltage during acceleration Contact Carrier Service
11 Alarm
Overvoltage during deceleration Contact Carrier Service
12 Alarm
Overvoltage during constant speed operation Contact Carrier Service
13 Alarm
Over-LOAD in inverter Contact Carrier Service
14 Alarm
Over-LOAD in motor Contact Carrier Service
16 Alarm
Overheat trip Contact Carrier Service
17 Alarm
Emergency stop Contact Carrier Service
18 Alarm
EEPROM fault 1 (writing operation) Contact Carrier Service
19 Alarm
EEPROM fault 2 (reading operation) Contact Carrier Service
20 Alarm
EEPROM fault 3 (other) Contact Carrier Service
21 Alarm
RAM fault Contact Carrier Service
22 Alarm
ROM fault Contact Carrier Service
23 Alarm
CPU fault Contact Carrier Service
24 Alarm
Communication error trip Contact Carrier Service
26 Alarm
Current detector fault Contact Carrier Service
27 Alarm
Optional circuit board type error Contact Carrier Service
28 Alarm
Graphic keypad communication error Contact Carrier Service
29 Alarm
Small-current trip Contact Carrier Service
30 Alarm
Trip due to undervoltage in main circuit Contact Carrier Service
32 Alarm
Over-torque trip Contact Carrier Service
34 Alarm
Ground fault trip (hardware detection) Contact Carrier Service
37 Alarm
Overcurrent owing in element during acceleration Contact Carrier Service
38 Alarm
Overcurrent owing in element during deceleration Contact Carrier Service
39 Alarm
Overcurrent owing in element during operation Contact Carrier Service
41 Alarm
Inverter type error Contact Carrier Service
46 Alarm
External thermal input Contact Carrier Service
47 Alarm
VIA cable break Contact Carrier Service
50 Alarm
Break in an analog signal cable Contact Carrier Service
51 Alarm
CPU fault Contact Carrier Service
52 Alarm
Excess torque boost Contact Carrier Service
53 Alarm
CPU fault Contact Carrier Service
84 Alarm
Auto-tuning error Contact Carrier Service
72 Alarm
Closed damper 1 fault Contact Carrier Service
73 Alarm
Closed damper 2 fault Contact Carrier Service
In order to ensure the optimal operation of the equipment
as well as the optimisation of all the available
functionalities, it is recommended to activate a
Maintenance Contract with your local Carrier Service
Agency.
The contract will ensure your Carrier equipment is
regularly inspected by Carrier Service specialists so that
any malfunction is detected and corrected quickly, and no
serious damage can occur to your equipment.
The Carrier Service Maintenance Contract represents not
only the best way to ensure the maximum operating life of
your equipment, but also, through the expertise of Carrier
qualied personnel, the optimal tool to manage your
system in a cost-effective manner.
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