15
3.7.
INDICATOR LIGHTS
3.8.
ALARM SIGNALS
Message
Cause
Unit action
P1
Thermostatic sensor failure
Alarm signal. Functioning in safe
mode “Con” and “COF”
P2
Evaporator sensor failure
Alarm signal.
P3
Auxiliary sensor failure
Alarm signal.
HA
Maximum temperature alarm
Alarm signal.
LA
Minimum temperature alarm
Alarm signal.
EE
Data or memory failure
Alarm signal.
dA
Door switch alarm
Alarm signal.
PAL
Pressure switch alarm.
Supply protector relay alarm.
Alarm signal. The unit stops.
3.9.
RESETTING THE ALARMS
The alarm signals are silenced by pressing any button or when the cause of the alarm is rectified (according
to the option entered for parameter “
tBA
”, the alarm relay can remain active after the alarm has been
silenced).
The sensor failure alarms “
P1
”, “
P2
” and “
P3
” switch off 10 seconds after the failure has been rectified.
The cold chamber temperature alarms “
HA
” and “
LA
” switch off when the normal values are reached again
or when defrosting begins.
The door alarm “
dA
” switches off when the door is closed.
The alarm “
PAL
” switches off when the unit is turned off.
Indicator
State
Meaning
Compressor indicator
light
On
The compressor is functioning.
Flashing
Anti-short cycle safety device activated.
Voltage relay activated
High or low pressure switches open.
Programming (flashing together with the
fan indicator light).
Fan indicator light
On
The fan is functioning.
Flashing
Programming (flashing together with the
compressor indicator light).
Defrost indicator light
On
Functioning in defrost mode.
Flashing
Defrost complete, drip time
Alarm indicator light
On
An alarm is happening
Energy saving indicator
light
On
Energy saving mode activated
Camera light indicator
light
On
Camera light is on
AUX indicator light
On
Auxiliar relay is on
Содержание MONOTOP R290
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