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9.1.
Alarms Display (EVX214 Version)
Problem
"AL" flashes on the display and
the buzzer emits an intermittent
noise
(low evaporator temperature
alarm)
"AH" flashes on the display and
the buzzer emits an intermittent
noise
(high cold room temperature
alarm)
"PF" flashes on the display and
the buzzer emits an intermittent
noise
(electrical power supply failure
alarm)
"COH" flashes on the display and
the buzzer emits an intermittent
noise
(condenser temperature alarm)
"CSd" flashes on the display and
the buzzer emits an intermittent
noise
(condenser fan blocked alarm)
9.2.
Faults Display (EVX214 Version)
Problem
"Pr1" flashes on the display and
the buzzer emits an intermittent
noise
(cold room probe error)
"Pr2" flashes on the display and
the buzzer emits an intermittent
noise
(evaporator probe error)
"Pr3" flashes on the display and
the buzzer emits an intermittent
noise
(condenser probe error)
The letters "rtc" (clock error) will
flash on the screen
Causes
The temperature detected by
the evaporator probe is lower
than the established value.
The temperature detected by
the cold room probe is higher
than the established value.
There has been a power
failure.
The temperature detected by
the condenser probe is higher
than the established value.
The temperature detected by
the condenser probe is higher
than the established value.
Causes
The wrong type of probe is
installed.
The probe is faulty.
The probe – circuit board
connection is incorrect.
The temperature detected
by the probe is out of the
limits accepted by the cold
room probe in use
The current time setting has
been deleted.
15
ENGLISH
Solutions
Contact the after-sales centre.
Make sure the evaporator fan is
operating.
Make sure the system is not
discharged.
Check the cold room temperature
Make sure the system is
operating correctly.
Check the electrical system.
To avoid having to memorise
power failure alarms repeatedly, turn
the tool off before disconnecting the
power supply.
Contact the after-sales centre.
Air the environment.
Clean the condenser.
Contact the after-sales centre.
Clean the condenser.
Check that the condenser fans
are functioning correctly.
Solutions
Contact the after-sales centre.
Check that the cold room probe
is the NTC type.
Check the integrity of the cold
room probe.
Check correctness of the
instrument - probe connection.
Check that the temperature in
proximity of the cold room probe
is not out of the accepted limits
Set the day and time.
GB
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