-Dati tecnici e caratteristiche soggetti a cambiamenti senza preavviso -Technische Daten und Eigenschaften mit Änderungen ohne Anzeige
-All specifi cation subject to change without notice - Données techniques et caracteristiques suiettes à des changements sans avis
38
DETECTED SITUATION
ERROR DISPLAYED ON
DISPLAY
POSSIBLE REASON
SOLUTION
USER
TECHNICAL SOLUTION
Red triangle Black-out alarm No power supplied during
cycle
Check electrical power
supply.
Red triangle Black-out alarm over No power supplied during
cycle
Red triangle Circuit breaker alarm Call a qualifi ed engineer and
inform him of the read error
and product serial number
Check: circuit breaker, D3
input, compressor absorption,
condenser fan, gas load.
Red triangle Kriwan alarm Call a qualifi ed engineer and
inform him of the read error
and product serial number
Check: kriwan, D6 input,
compressor absorption, con-
denser valve, gas load.
Red triangle High pressure alarm Call a qualifi ed engineer and
inform him of the read error
and product serial number
Check: high pressure switch,
inlet thermal switch, D4 input,
condenser fan, inlet pressure
Red triangle Low pressure alarm Call a qualifi ed engineer and
inform him of the read error
and product serial number
Check: low pressure switch,
D5 input, intake pressure.
Compressor not working The compressor is not
working
Circuit breaker has tripped Call a qualifi ed engineer and
inform him of the read error
and product serial number
Search discharge to ground
or for short circuits in control
circuit, eliminate then and
reset the circuit breaker
Compressor not working The compressor is not
working
Safety thermal switch has
triggered
Call a qualifi ed engineer and
inform him of the read error
and product serial number
Reset the thermal switch
Compressor not working The compressor is not
working
Contactor enters lock mode
when opened
Call a qualifi ed engineer and
inform him of the read error
and product serial number
Replace the contactor
Compressor not working The compressor is not
working
Terminals are loose Call a qualifi ed engineer and
inform him of the read error
and product serial number
Check terminal fastening
Compressor not working The compressor is not
working
Control connection error Call a qualifi ed engineer and
inform him of the read error
and product serial number
Check and if need be adjust
the connections
Compressor not working The compressor is not
working
Low line voltage Call a qualifi ed engineer and
inform him of the read error
and product serial number
Check the line voltage, iden-
tify and eliminate the cause of
the voltage drop
Compressor not working The compressor is not
working
Compressor motor failure Call a qualifi ed engineer and
inform him of the read error
and product serial number
Check if the motor winding
is open or in short circuit.
If necessary, replace the
compressor
Compressor not working The compressor is not
working
Compressor gripping fault
Call a qualifi ed engineer and
inform him of the read error
and product serial number
Replace the compressor
Compressor not working Compressor stops due to
low pressure switch trig-
gering
Partial closure of Compres-
sor inlet valve
Call a qualifi ed engineer and
inform him of the read error
and product serial number
Open the compressor inlet
valve
Compressor not working Compressor stops due to
low pressure switch trig-
gering
Poor refrigerant gas load Call a qualifi ed engineer and
inform him of the read error
and product serial number
Top-up gas load
Compressor not working Compressor stops due to
low pressure switch trig-
gering
Compressor suction fi lter
clogged
Call a qualifi ed engineer and
inform him of the read error
and product serial number
Clean the fi lter
Compressor not working Compressor stops due to
high pressure switch trig-
gering
Partial closure of Compres-
sor inlet valve
Call a qualifi ed engineer and
inform him of the read error
and product serial number
Open the compressor inlet
valve
Compressor not working Compressor stops due to
high pressure switch trig-
gering
Air inside cooling circuit Call a qualifi ed engineer and
inform him of the read error
and product serial number
Vent the air out of the cooling
circuit