ABAC FORMULA Series - Troubleshooting; Machine Does Not Start

P. 62 - Chap 5 Troubleshooting
9
Troubleshooting
G
B
The following table shows the most frequent problems.
The operation should be carried out by a qualifi ed and skilled person where shown. For all other cases,
contact a specialised Centre
When the compressor requires scheduled maintenance, the operation to be performed and
the number of excess hours of operation are indicated in the main screen page.
In the case of long-term functioning in these conditions, the compressor is blocked and the
operation must be carried out immediately
V-F Fixed speed compressors
V.V. Variable speed compressors
9.1
The machine does not start
V-F V-V
Indication Possible cause Intervento
X X
L1 OFF
DI OFF
No power
Restore power
FU2 / FU8 blown
Replace damaged fuses
X X
L1 ON
DI OFF
Problems in the electronic
control unit
Call Customer
Service Centre
Problems in control unit
connections
Call Customer
Service Centre
X X
L1 ON
DI ON
(with normal functioning
message)
FU4 blown Replace FU4
Inverter problems
Call Customer
Service Centre
X
X X
L1 ON
L3 constant ON
DI indicates:
“Ambient temperature too
low - block”
Ambient temperature
too low
Heat ambient.
Check installation
requirements
X X
L1 ON
L3 constant ON
DI indicates:
“Press. Transducer
error - block”
Problems in the pressure
sensor or in its electrical
connections
Call Customer
Service Centre
X X
L1 ON
L3 constant ON
DI indicates:
“Temperature sensor
error - block”
Problems in the temperature
sensor or in its electrical
connections
Call Customer
Service Centre