Table 16 — Trip Messages for 50BV VFD (cont)

ERROR

COMMUNICATION

PROBLEM

POSSIBLE CAUSES

REMEDIES

CODE

NO.

 

 

 

*UC

1D

Small-current

• The output current falls to the low-current

• Enable F610 (low-current detection

 

 

operation trip

detection level during operation.

parameter).

 

 

 

 

• Check whether the detection level is set

 

 

 

 

properly to the system.

 

 

 

 

(F611 and F612)

 

 

 

 

• If no error is found in the setting, make a

 

 

 

 

service call.

EF2

22h

Ground fault trip

• A ground fault occurs in the output cable

• Check the cable and the motor for ground

 

 

 

or the motor.

faults.

E

11h

Emergency stop

• During automatic operation or remote

• Reset the inverter.

 

 

 

operation, a stop command is entered from

 

 

 

 

the operation panel or a remote input device.

 

Err2

15h

Main unit RAM fault

• The control RAM is defective.

• Make a service call.

Err3

16h

Main unit ROM fault

• The control ROM is defective.

• Make a service call.

Err4

17h

CPU fault trip

• The control CPU is defective.

• Make a service call.

Err5

18h

Remote control

• An error arises during remote operation.

• Check the remote control device,

 

 

error

 

cables, etc.

EtYP

29h

Inverter type error

• The control circuit board (main circuit

• Make a service call.

 

 

 

board or drive circuit board) is replaced.

 

EEP1

12h

EEPROM fault

• A data writing error occurs.

• Turn off the inverter, then turn it on again.

 

 

 

 

If it does not recover from the error, make

 

 

 

 

a service call.

Etn

28h

Auto-tuning error

• Check the settings of the motor parameters F401to F408

 

 

 

• Check that the motor is not two or more sizes smaller in capacity than the inverter.

 

 

 

• Check that the inverter output cable is not too thin.

 

 

 

• Check that the motor is not running.

 

 

 

 

• Check that the motor is a three-phase inductive motor.

*With a parameter, you can choose between trip-on and -off.

NOTES:

1.During operation, the following alarms may be displayed, which have the same meaning as previously defined alarms.

•C (overcurrent alarm) — same as OC

•P (overvoltage alarm) — same as OP

•L (overload alarm) — same as OL1/OL2

•H (overheat alarm) — same as OH

2.If two or more problems arise simultaneously, one of the following alarms appears and blinks. CP, PL, CPL

The blinking alarms, C, P, L, H are displayed in this order from left to right.

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Carrier 50XJ064-104 specifications Error Communication Problem Possible Causes Remedies Code, EF2
Page 25 Page 27

50XJ064-104 specifications

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