ISA Zero T12 VT SP [24/40] Alarms lis

428000730037

USE AND MAINTENANCE MANUAL

ZERO PROGEL

10.1 ALARMS LIST (WHERE PRESENT)

ALARM DESCRIPTION OUTPUTS AUTHORISED

PERSONNEL

Broken thermostat probe.

Compressor output according to

“COn” and “COF parameters

• The alarm starts a few seconds after the probe breaks down; it stops a few

seconds after the probe starts working again properly.

• We recommend checking the probe connections before replacing it.

Broken evaporator probe.

Set time for defrosting.

• The alarm starts a few seconds after the probe breaks down; it stops a few

seconds after the probe starts working again properly.

• We recommend checking the probe connections before replacing it.

High temperature alarm. • The alarm stops automatically on reaching the temperature set.

• Check programming.

Low temperature alarm. • The alarm stops automatically on reaching the temperature set.

• Check programming.

External alarm. • The external alarm stops after the digital infeed is deactivated, it is restored

automatically.

• The alarm is linked to the intervention of the pressure switch and/or the com-

pressor circuit breaker, when present.

ETc

RTF

Real time clock is broken. • Reset the clock.

• If the alarm does not stop, replace the clock.

EE Machine parameter error. • The instrument is damaged. It must be replaced.

EF Operating parameters error. • The instrument is damaged. It must be replaced.