Specifications
)
ALARM
1
24.40% 43.20%
'
ALARM
-.
COOLING
1
ALARM
1
1
ALARM
1
ALARM
1
24.40"C 43.20°C
ALARM
-+
COOL.-COUPL
1
ALARM
-.
COOLING PRI
-.
COOLING
PR2
Fault
Displays
15.7
Error in connection with cooling units
The alarm message "COOLING-RELAIS" appears as
soon as an error occurs in the cooling unit. If the error
can be further specified one of the following messages
appears soon after the first error message has ap-
peared. If the error cannot be specified, the message
"COOLING-RELAIS" keeps visible in the display.
If the compressor of the cooling unit is overloaded the
circulator will be switched to fault status: "COOLING".
Allow the unit to cool down for a few minutes and then
try to start up again. If the fault occurs again
...
return unit for servicing.
The alarm message
"COOL.-VENTI" appears in case
of an overloading of the motor caused by the
compressor
1.
The message
"COOL.-RES." appears in case of an
motor overload caused by the compressor 2.
in both cases return unit for servicing.
If
"
COOL.-V24" appears there is a communation error
between the FIN head and the cooling device.
Restart the unit. If this error appears again:
return unit for servicing.
The message "COOL.-COUPL" informs about discon-
nection of the
FIN head and the
cooling device.
Check the connection and fuses and restart the unit.
If the fault occurs again
...
*
return unit for servicing.
The message "COOLING
PRI (PR2)" indicates
a too
high pressure within the refrigerant circuit.
PRI
=
I
st step (PR2
=
2nd step)
Possible reasons for appearance of message
"PRI
":
ambient temperature too high
-,
eliminate sources
of heat; avoid insolation.
water supply is interrupted (for water-cooled ver-
sions only) or the water is too hot
-.
make sure that
the circulation is not interrupted.
Fins of the liquefier are dirty
-+
cleaning of fins
according to chapter 20.1.
ventilation out of order (noise)
+
return to service
When the message
"PR2" appears restart
the unit. In
case of a second error message inform the service.
=.
Return unit to service.