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.1 Insufficient charge in the refrigerant circuit;
Contact STULZ refrigerant system technician or service department;
.3 Where present, solenoid valve defective;
.1 Replace solenoid valve coil;
.2 Contact STULZ refrigerant system technician or service department;
.2 Condenser fan, evaporator fan working, compressor working
intermittently;
.1 Where present, service high pressure switch;
.1 Room temperature exceeding maximum temperature as shown on
technical data plate;
.1 Ventilate room;
.2 Contact STULZ service department;
.2 Dirty air filter,
.1 Clean or, if necessary, replace dirty air filter;
.3 Dirty condenser;
.1 Clean condenser;
.4 Air short-circuit,
.1 Check that no obstruction or obstacle are causing the expelled
air to short circuit;
.2 Check that requirements concerning minimum distance from a
wall, from the ceiling, from the electric cabinet or from any other air
cooling unit are as described in this manual;
.2 Service compressor heat protector,
.1 Air temperature in cabinet exceeding maximum temperature shown
on unit's technical dataplate;
.2 Same causes and relevant remedies as outlined under items
22.2.2.1.1/2/3/4;
.3 Evaporator fan working, condenser fan not working, compressor working
intermittently;
.1 fan capacitor is defective;
.1 Replace fan capacitor:
.2 Condenser fan defective;
.1 Replace condenser fan:
23.3 EXCESSIVE CONDENSATE FORMATION;
.1 Cabinet with protection level lower than IP54;
.1 Check that the self-adhesive seal between the cooling unit and the cabinet
has been correctly applied;
.2 Check that the unit's locking panels have been correctly installed;
.3 Check that there are no openings in the cabinets.
Summary of Contents for CVC 07 001yy
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