2Wire 3185550/146127 manuel dutilisation TAB.5, Fault Cause Remedy

- INSTALLATION MANUAL -

TAB.5

FAULT	CAUSE	REMEDY
No voltage on	No power supply	Restore power supply
Anomalous stop	Blown fuse	Replace fuses
	Loosened connections	Check connection fitting
Compressor failure	High and Low-pressure pressure-	Ask for skilled assistance
	switch on	Ask for skilled assistance
	Clicker on	Ask for skilled assistance
	Contactor failure	Ask for skilled assistance
	Compressor thermal relay on
The compressor is working but	Frosted evaporator	Open the door and carry out defrost cycle
the cabinet is not cooling	No coolant inside the refrigerating	Ask for skilled assistance
	system	Ask for skilled assistance
	Delivery solenoid valve failure
Evaporator fans are not working	Fan failure or short-circuit	Ask for skilled assistance
	Door micro failure	Ask for skilled assistance
The cycle cannot start	Wrong cycle programming	Check time and temperature parameters
AL High Press	High Pressure Switch	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	Close the door
	Door micro faulty	Qualified technician required

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