11 alarms – EVCO EVFTFT618N7U User Manual

Page 35

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EVCO S.p.A.

EVFTFT618 | Installer manual ver. 2.2 | Code 144FTFT618E224

Page

35

of

62

11

Alarms

When an alarm occurs, a pop-up window opens a indicating the code of the alarm present. The buzzer sounds

intermittently until any key is pressed that silences the buzzer and makes the pop-up window disappear. The alarm

presence is indicated with the

icon.

The following table gives the alarms that may occur.

Code

Part

AH

Evaporator maximum temperature alarm

Solutions:

-

check the temperature of the evaporator.

-

check the value of parameters A1 and A2.

Main consequences:

-

signals only

id

Door open alarm

Solutions:

-

check the door conditions

-

check the value of parameters i0, i1 and i2.

Main consequences:

-

the effect established with parameter i0

HP

High pressure alarm.

Solutions:

-

check the conditions of the high pressure input

-

check the value of parameters i3, i4 and i5.

Main consequences:

-

the effect established with parameter i3

- an alarm turns off the high-pressure compressor regardless of the management of the pump-down.

LP

Low pressure alarm.

Solutions:

-

check the conditions of the low pressure input

-

check the value of parameter i6, i7, i8 and i9.

Main consequences:

-

the compressor and the evaporator fan will be off (see parameter i6)

CtH

Compressor circuit breaker protection alarm.

Solutions:

-

check the conditions of the compressor circuit breaker protection input

-

check the value of the parameter i10 and i11.

Main consequences:

-

the compressor will be switched off

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