ABB ACS850 - Page 296

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296 Fault tracing

2049 MOTOR TEMP2

(0x4313)

Programmable fault:

31.05 Mot temp2 prot

Estimated motor temperature

(based on motor thermal

model) has exceeded alarm

limit defined by parameter

31.07 Mot temp2 almLim.

Check motor ratings and load.

Let motor cool down. Ensure proper

motor cooling: Check cooling fan, clean

cooling surfaces, etc.

Check value of alarm limit.

Check motor thermal model settings

(parameters 31.09…31.14).

Measured motor temperature

has exceeded alarm limit

defined by parameter 31.07

Mot temp2 almLim.

Check that actual number of sensors

corresponds to value set by parameter

31.06 Mot temp2 src.

Check motor ratings and load.

Let motor cool down. Ensure proper

motor cooling: Check cooling fan, clean

cooling surfaces, etc.

Check value of alarm limit.

2050 IGBTOLALARM

(0x5482)

Excessive IGBT junction to

case temperature. This alarm

protects the IGBT(s) and can

be activated by a short circuit

in the motor cable.

Check motor cable.

2051 IGBTTEMPALARM

(0x4210)

Drive IGBT temperature is

excessive.

Check ambient conditions.

Check air flow and fan operation.

Check heatsink fins for dust pick-up.

Check motor power against drive power.

2052 COOLING

(0x4290)

Drive module temperature is

excessive.

Check ambient temperature. If it exceeds

40 °C (104 °F), ensure that load current

does not exceed derated load capacity of

drive. See the appropriate Hardware

Manual.

Check value of parameter 95.03 Temp

inu ambient.

Check drive module cooling air flow and

fan operation.

Check inside of cabinet and heatsink of

drive module for dust pick-up. Clean

whenever necessary.

2053 MENU CHG

PASSWORD REQ

(0x6F81)

Loading a parameter listing

requires a password.

Enter password at parameter 16.03 Pass

code.

2054 MENU CHANGED

(0x6F82)

A different parameter listing is

being loaded.

Informative alarm.

2055 DEVICE CLEAN

(0x5080)