20
TORNADO
USE AND MAINTENANCE MANUAL
428000393
237
EN
UPRIGHT DISPLAY CABINETS
10.1 ALARMS LIST
(WHERE PRESENT)
ALARM
DESCRIPTION
OUTPUTS
AUTHORISED
PERSONNEL
P1
E0
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.
P2
E1
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.
HA
HI
High temperature alarm.
•
The alarm stops automatically on reaching the temperature set.
• Check
programming.
LA
LO
Low temperature alarm.
•
The alarm stops automatically on reaching the temperature set.
• Check
programming.
EA
IA
CB
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.
