-
-
-
I
I
I
N
N
N
S
S
S
T
T
T
A
A
A
L
L
L
L
L
L
A
A
A
T
T
T
I
I
I
O
O
O
N
N
N
M
M
M
A
A
A
N
N
N
U
U
U
A
A
A
L
L
L
-
-
-
32
TAB.5
FAULT
CAUSE
REMEDY
No voltage on
Anomalous stop
No power supply
Blown fuse
Loosened connections
Restore power supply
Replace fuses
Check connection fitting
Compressor failure
High and Low-pressure pressure-
switch on
Clicker on
Contactor failure
Compressor thermal relay on
Ask for skilled assistance
Ask for skilled assistance
Ask for skilled assistance
Ask for skilled assistance
The compressor is working but
the cabinet is not cooling
Frosted evaporator
No coolant inside the refrigerating
system
Delivery solenoid valve failure
Open the door and carry out defrost cycle
Ask for skilled assistance
Ask for skilled assistance
Evaporator fans are not working
Fan failure or short-circuit
Door micro failure
Ask for skilled assistance
Ask for skilled assistance
The cycle cannot start
Wrong cycle programming
Check time and temperature parameters
AL High Press
Pressostat intervention
Qualified technician required
AL Room Probe
Room Probe interrupted
Qualified technician required
AL Evap Probe
Evap Probe interrupted
Qualified technician required
AL Cond Probe
Cond Probe interrupted
Qualified technician required
AL Needle Probe
Needle Probe interrupted
If a probe cycle is running, the cycle is time-controlled
Qualified technician required
AL Insert Needle
Needle Probe not inserted
Check the probe inserting cone
High T Room
Room Temp above set value
If the temperature is not within the specified range, apply
to a qualified technician
Low T Room
Room Temp below set value
If the temperature is not within the specified range, apply
to a qualified technician
AL BlackOut
No power supply
When power is restored, check the max. temperature
reached inside the room
AL Door Open
QC room door open
Door micro faulty
Close the door
Qualified technician required
