ECP
300
EXPERT STEPPER
Page 36
OPERATION AND MAINTENANCE MANUAL
Rev. 01-20
Ec
Cold call alarm:
remote alarm from the motorised
condensing unit.
•
Check the compressor status.
•
Check compressor absorption.
•
If the problem persists, contact technical
support.
Ed
Open door alarm:
when the door switch is
opened and the time
tdo
has elapsed, the normal
operation of the control is restored by signalling "door
open alarm” (
Ed
).
•
Check that the door is closed.
•
Check the electrical connections of the Door
switch.
•
If the problem persists, contact technical
support.
EH
Maximum
ambient
temperature
alarm:
a
temperature higher than that set for the maximum
temperature alarm has been reached by the ambient
(see variable A2).
•
Check the compressor status.
•
The probe does not detect the temperature
correctly or the compressor stop/run
command does not work.
•
If the problem persists, contact technical
support.
EL
Minimum ambient temperature alarm:
the ambient
probe has reached a temperature lower than that set
for the minimum temperature alarm (see variable A1).
•
Check the compressor status.
•
The probe does not detect the temperature
correctly or the compressor stop/run
command does not work.
•
If the problem persists, contact technical
support.
EcA
Compressor alarm
(display only)
•
Check the compressor status.
EFc
Condenser fan alarm
(display only)
•
Check the status of the condenser fans.
EFE
Evaporator fan alarm
(display only)
•
Check the status of the evaporator fans.
LSH
Low overheating temperature alarm
•
Check the status of the refrigeration system
•
Change PID parameters
•
If the problem persists, contact technical
support
MOP
Maximum saturated evaporation temperature
alarm referring to sensor S4
•
Check the status of the refrigeration system
•
Change PID parameters
•
If the problem persists, contact technical
support
LOP
Minimum
saturated
evaporation
temperature
alarm referring to sensor S4
•
Check the status of the refrigeration system
•
Change PID parameters
•
If the problem persists, contact technical
support
VAL
Valve Alarm:
A valve overcurrent or overheating
alarm has been detected. Valve management is
disabled. When the alarm returns, the valve is re-
initialized to the total closing position.
•
Check valve configuration and connections
•
Switch the equipment off and on again
•
If the problem persists, contact technical
support
CFG
Valve not configured:
at first start-up, you are
prompted to configure the type of valve connected.
•
Configure the type of connected valve by
setting the fourth lev
el parameter "tEU”.
Ini
Initializing in progress
(complete closing)
•
Wait for the initialization procedure to
complete
