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Carrier OMNIZONE 50XJ064-104 User Manual

Page 21

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21

Table 13 — VFD Trip Messages for 50XJ Unit

LEGEND

LED MESSAGE

EXPLANATION

nErr

Displayed in the trip history in standard monitor mode when no trip has been recorded
since the last VFD reset or trip clear.

OC1

Overcurrent during acceleration trip

OC2

Overcurrent during deceleration trip

OC3

Overcurrent during normal (constant speed) run trip

OC1P

Overcurrent in DC section during acceleration trip

OC2P

Overcurrent in DC section during deceleration trip

OC3P

Overcurrent in DC section during normal (constant speed) run trip

OCL

Load end over current trip detected at start-up (output terminals, motor wiring, etc.)

OCA1

U-phase short circuit trip detected at start-up

OCA2

V-phase short circuit trip detected at start-up

OCA3

W-phase short circuit trip detected at start-up

OP1

Overvoltage during acceleration trip

OP2

Overvoltage during deceleration trip

OP3

Overvoltage during normal (constant speed) run trip

OLIn

VFD overloaded trip

OLnt

Motor overloaded trip

OCr

Dynamic braking resistor overcurrent trip

OLr

Dynamic braking resistor overload trip

OH

Inverter overheat trip

E

Emergency off trip message. Displayed after the STOP/RESET key has been pressed
once when in Auto Control mode, or press STOP/RESET key twice within one second
in Manual control mode.

EEP1

EEPROM failure during write cycle

EEP2

EEPROM abnormality during initial reading

Err2

RAM error

Err3

ROM error

Err4

CPU error

Err5

Communication interruption error

Err6

Gate array error

Err7

Output current detection circuit error

Err8

Option PCB error trip

Err9

Option ROM error

UC

Low operating current trip

UP1

Main circuit undervoltage trip

Ot

Overtorque trip

EF1

Software detected earth fault trip

EF2

Hardware detected earth fault trip

Etn

Auto-tuning error

EtYP

Inverter typeform and EEPROM typeform mismatch error

dANP

Damper trip. When damper function is selected, and damper is closed while the motor
is running.

LOSS

IV analog input loss. Valid when LA15 = 3 and frequency command is selected from
IV analog input terminal.

CPU

Central Processing Unit

IV

Analog Input Terminal

PCB

Printed Circuit Board

RAM

Random Access Memory

ROM

Read-Only Memory

U-phase

Phase 1 Output (T1)

V-phase

Phase 2 Output (T2)

W-phase

Phase 3 Output (T3)