Diamond AD2N/L2G Manual página 37

ENGLISH
7.1. Alarms Display
Problem
"AL" flashes on the display and
the buzzer emits an intermittent
(low evaporator temperature
"AH" flashes on the display and
the buzzer emits an intermittent
GB
(high cold room temperature
"id" flashes on the display and the
buzzer emits an intermittent noise
(door microswitch input alarm)
"PF" flashes on the display and
the buzzer emits an intermittent
(electrical power supply failure
"COH" flashes on the display and
the buzzer emits an intermittent
(condenser temperature alarm)
"CSd" flashes on the display and
the buzzer emits an intermittent
(condenser fan blocked alarm)
The temperature detected by
noise the evaporator probe is lower
than the established value.
alarm)
The temperature detected by
noise the cold room probe is higher
than the established value.
alarm)
The door microswitch input
noise
alarm)
The temperature detected by
the condenser probe is higher
noise
than the established value.
The temperature detected by
the condenser probe is higher
noise
than the established value.
Causes
stays open.
There has been a power
failure.
14
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.

Contact the after-sales centre.
 Check the door micro
 Make sure the door is aligned
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.